{"id":553,"date":"2026-03-29T08:33:00","date_gmt":"2026-03-29T00:33:00","guid":{"rendered":"https:\/\/www.han-sphere.com\/?p=553"},"modified":"2026-03-26T00:00:46","modified_gmt":"2026-03-25T16:00:46","slug":"fr4-dielectric-constant-er-vs-frequency","status":"publish","type":"post","link":"https:\/\/www.han-sphere.com\/ru\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/","title":{"rendered":"\u0414\u0438\u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043f\u0440\u043e\u043d\u0438\u0446\u0430\u0435\u043c\u043e\u0441\u0442\u044c (Er) FR4 \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0447\u0430\u0441\u0442\u043e\u0442\u044b"},"content":{"rendered":"<p>\u0415\u0441\u043b\u0438 \u0432\u044b \u043a\u043e\u0433\u0434\u0430-\u043b\u0438\u0431\u043e \u043f\u044b\u0442\u0430\u043b\u0438\u0441\u044c \u043f\u043e\u0434\u043e\u0431\u0440\u0430\u0442\u044c \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441 \u0434\u043b\u044f \u0441\u0442\u0435\u043a\u0430 FR4 \u0438 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0438\u043b\u0438, \u0447\u0442\u043e \u0446\u0438\u0444\u0440\u044b \u0440\u0430\u0441\u0445\u043e\u0434\u044f\u0442\u0441\u044f, \u0432\u044b \u0443\u0436\u0435 \u0441\u0442\u043e\u043b\u043a\u043d\u0443\u043b\u0438\u0441\u044c \u0441 \u044d\u0442\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043e\u0439.<\/p>\n\n\n\n<p>\u0423 FR4 \u043d\u0435\u0442 \u0435\u0434\u0438\u043d\u043e\u0439 \u0434\u0438\u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043f\u0440\u043e\u043d\u0438\u0446\u0430\u0435\u043c\u043e\u0441\u0442\u0438. \u0415\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0441 \u0447\u0430\u0441\u0442\u043e\u0442\u043e\u0439, \u0438 \u044d\u0442\u043e\u0433\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e, \u0447\u0442\u043e\u0431\u044b \u043f\u043e\u0432\u043b\u0438\u044f\u0442\u044c \u043d\u0430 \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441, \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u043a\u043e\u0433\u0434\u0430 \u0432\u044b \u0432\u044b\u0445\u043e\u0434\u0438\u0442\u0435 \u0437\u0430 \u0440\u0430\u043c\u043a\u0438 \u043d\u0438\u0437\u043a\u043e\u0441\u043a\u043e\u0440\u043e\u0441\u0442\u043d\u044b\u0445 \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439.<\/p>\n\n\n\n<p>\u0412 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u0435 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0439 \u043f\u043e-\u043f\u0440\u0435\u0436\u043d\u0435\u043c\u0443 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0447\u0442\u043e-\u0442\u043e \u0432\u0440\u043e\u0434\u0435 <strong>Er = 4.2-4.6<\/strong>, \u043d\u043e \u044d\u0442\u043e \u0447\u0438\u0441\u043b\u043e \u0438\u043c\u0435\u0435\u0442 \u0441\u043c\u044b\u0441\u043b \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0445 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. \u0412 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0445 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f\u0445 \u0432\u0430\u0436\u043d\u043e \u0442\u043e, \u043a\u0430\u043a Er \u0432\u0435\u0434\u0435\u0442 \u0441\u0435\u0431\u044f \u0432 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u043c \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0435 \u0447\u0430\u0441\u0442\u043e\u0442.<\/p>\n\n\n\n<p>\u0411\u043e\u043b\u0435\u0435 \u0448\u0438\u0440\u043e\u043a\u0438\u0439 \u043e\u0431\u0437\u043e\u0440 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432 \u0441\u043c. <a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-material-guide-properties-applications\/\"><strong>\u0420\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u043f\u043e \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0430\u043c \u043f\u0435\u0447\u0430\u0442\u043d\u044b\u0445 \u043f\u043b\u0430\u0442 FR4: \u0421\u0432\u043e\u0439\u0441\u0442\u0432\u0430, \u043f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430 \u0438 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f<\/strong>.<\/a><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"517\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-17.jpg\" alt=\"FR4 PCB\" class=\"wp-image-524\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-17.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-17-300x259.jpg 300w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-17-14x12.jpg 14w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0434\u0438\u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u0430\u044f (Er)?<\/h2>\n\n\n\n<p>\u0414\u0438\u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043f\u0440\u043e\u043d\u0438\u0446\u0430\u0435\u043c\u043e\u0441\u0442\u044c (Er) \u043e\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442, \u043a\u0430\u043a \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0435\u0442 \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0443\u044e \u044d\u043d\u0435\u0440\u0433\u0438\u044e \u0432 \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u043e\u043c \u043f\u043e\u043b\u0435.<\/p>\n\n\n\n<p>\u041f\u0440\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u043f\u0435\u0447\u0430\u0442\u043d\u044b\u0445 \u043f\u043b\u0430\u0442 Er \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e \u0432\u043b\u0438\u044f\u0435\u0442 \u043d\u0430 \u0438\u0445 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0441\u0438\u0433\u043d\u0430\u043b\u0430<\/li>\n\n\n\n<li>\u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441<\/li>\n\n\n\n<li>\u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0430 \u0442\u0440\u0430\u0441\u0441\u0438\u0440\u043e\u0432\u043a\u0438<\/li>\n<\/ul>\n\n\n\n<p>\u0411\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0438\u0439 Er \u2192 \u043c\u0435\u0434\u043b\u0435\u043d\u043d\u043e\u0435 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0441\u0438\u0433\u043d\u0430\u043b\u0430 \u2192 \u043c\u0435\u043d\u044c\u0448\u0430\u044f \u0434\u043b\u0438\u043d\u0430 \u0432\u043e\u043b\u043d\u044b \u0432 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0435.<\/p>\n\n\n\n<p>\u0418\u043c\u0435\u043d\u043d\u043e \u043f\u043e\u044d\u0442\u043e\u043c\u0443 Er \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0435\u0442\u0441\u044f \u0432 \u043a\u0430\u0436\u0434\u043e\u043c \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0435 \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441\u0430.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u041f\u043e\u0447\u0435\u043c\u0443 Er \u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0441 \u0447\u0430\u0441\u0442\u043e\u0442\u043e\u0439<\/h2>\n\n\n\n<p>FR4 \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0434\u043d\u043e\u0440\u043e\u0434\u043d\u044b\u043c \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u043c. \u041e\u043d \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0441\u043c\u0435\u0441\u044c \u0438\u0437:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0421\u0442\u0435\u043a\u043b\u043e\u0432\u043e\u043b\u043e\u043a\u043d\u043e (\u043d\u0438\u0437\u043a\u0438\u0435 \u043f\u043e\u0442\u0435\u0440\u0438, \u043d\u0438\u0437\u043a\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 Er)<\/li>\n\n\n\n<li>\u044d\u043f\u043e\u043a\u0441\u0438\u0434\u043d\u0430\u044f \u0441\u043c\u043e\u043b\u0430 (\u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0438\u0435 \u043f\u043e\u0442\u0435\u0440\u0438, \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0438\u0439 Er)<\/li>\n<\/ul>\n\n\n\n<p>\u0411\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0442\u0430\u043a\u043e\u0439 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435 \u0435\u0433\u043e \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u0447\u0430\u0441\u0442\u043e\u0442\u044b.<\/p>\n\n\n\n<p>\u0421 \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u0435\u043c \u0447\u0430\u0441\u0442\u043e\u0442\u044b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u044b \u043f\u043e\u043b\u044f\u0440\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u043d\u0443\u0442\u0440\u0438 \u0441\u043c\u043e\u043b\u044b \u0438\u0437\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f<\/li>\n\n\n\n<li>\u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u0430\u044f \u0434\u0438\u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043f\u0440\u043e\u043d\u0438\u0446\u0430\u0435\u043c\u043e\u0441\u0442\u044c \u0441\u0442\u0440\u0435\u043c\u0438\u0442\u0441\u044f \u043a <strong>\u043d\u0435\u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0443\u043c\u0435\u043d\u044c\u0448\u0438\u0442\u044c\u0441\u044f<\/strong><\/li>\n\n\n\n<li>\u0434\u0438\u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u043f\u043e\u0442\u0435\u0440\u0438 \u0441\u0442\u0430\u043d\u043e\u0432\u044f\u0442\u0441\u044f \u0431\u043e\u043b\u0435\u0435 \u0437\u0430\u043c\u0435\u0442\u043d\u044b\u043c\u0438<\/li>\n<\/ul>\n\n\n\n<p>\u0421 \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0442\u043e\u0447\u043a\u0438 \u0437\u0440\u0435\u043d\u0438\u044f:<br><strong>Er \u043d\u0430 \u0447\u0430\u0441\u0442\u043e\u0442\u0435 100 \u041c\u0413\u0446 - \u044d\u0442\u043e \u043d\u0435 \u0442\u043e \u0436\u0435 \u0441\u0430\u043c\u043e\u0435, \u0447\u0442\u043e Er \u043d\u0430 \u0447\u0430\u0441\u0442\u043e\u0442\u0435 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0413\u0413\u0446.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f Er \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0447\u0430\u0441\u0442\u043e\u0442\u044b<\/h2>\n\n\n\n<p>\u0423\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u044c\u043d\u043e\u0439 \u043a\u0440\u0438\u0432\u043e\u0439 \u0432\u044b \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u0435, \u043d\u043e \u043e\u0431\u0449\u0430\u044f \u0442\u0435\u043d\u0434\u0435\u043d\u0446\u0438\u044f \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0447\u0430\u0441\u0442\u043e\u0442<\/th><th>\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0439 FR4 Er<\/th><\/tr><\/thead><tbody><tr><td>1 \u041c\u0413\u0446<\/td><td>~4.5-4.8<\/td><\/tr><tr><td>100 \u041c\u0413\u0446<\/td><td>~4.3-4.6<\/td><\/tr><tr><td>1 \u0413\u0413\u0446<\/td><td>~4.2-4.5<\/td><\/tr><tr><td>5-10 \u0413\u0413\u0446<\/td><td>~4.0-4.3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0424\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0437\u0430\u0432\u0438\u0441\u044f\u0442 \u043e\u0442 \u043f\u043e\u0441\u0442\u0430\u0432\u0449\u0438\u043a\u0430 \u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0441\u043c\u043e\u043b.<\/p>\n\n\n\n<p>\u042d\u0442\u0430 \u0432\u0430\u0440\u0438\u0430\u0446\u0438\u044f - \u043e\u0434\u043d\u0430 \u0438\u0437 \u043f\u0440\u0438\u0447\u0438\u043d, \u043f\u043e\u0447\u0435\u043c\u0443 \u0432 \u0432\u044b\u0441\u043e\u043a\u043e\u0447\u0430\u0441\u0442\u043e\u0442\u043d\u044b\u0445 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f\u0445 \u0447\u0430\u0441\u0442\u043e \u043e\u0442\u043a\u0430\u0437\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u043e\u0442 FR4.<\/p>\n\n\n\n<p>\u041f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435 \u043e\u0431 \u044d\u0442\u043e\u043c \u0437\u0434\u0435\u0441\u044c: <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-vs-rogers-pcb-high-frequency-design\/\">FR4 \u043f\u0440\u043e\u0442\u0438\u0432 Rogers PCB \u0434\u043b\u044f \u0432\u044b\u0441\u043e\u043a\u043e\u0447\u0430\u0441\u0442\u043e\u0442\u043d\u044b\u0445 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439<\/a><\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"499\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-15.jpg\" alt=\"FR4 PCB\" class=\"wp-image-520\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-15.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-15-300x250.jpg 300w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-15-14x12.jpg 14w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">\u0412\u043b\u0438\u044f\u043d\u0438\u0435 \u043d\u0430 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441\u0430<\/h2>\n\n\n\n<p>\u0415\u0441\u043b\u0438 \u0432 \u0440\u0430\u0441\u0447\u0435\u0442\u0430\u0445 \u0432\u044b \u043f\u0440\u0435\u0434\u043f\u043e\u043b\u0430\u0433\u0430\u0435\u0442\u0435 \u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 Er, \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441 \u043d\u0435 \u0431\u0443\u0434\u0435\u0442 \u0442\u043e\u0447\u043d\u044b\u043c.<\/p>\n\n\n\n<p>\u042d\u0444\u0444\u0435\u043a\u0442\u044b \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u043d\u0435\u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435 \u043c\u0435\u0436\u0434\u0443 \u0440\u0430\u0441\u0447\u0435\u0442\u043d\u044b\u043c \u0438 \u0444\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u043c \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441\u043e\u043c<\/li>\n\n\n\n<li>\u043e\u0442\u0440\u0430\u0436\u0435\u043d\u0438\u0435 \u0441\u0438\u0433\u043d\u0430\u043b\u0430<\/li>\n\n\n\n<li>\u0443\u0445\u0443\u0434\u0448\u0435\u043d\u043d\u044b\u0435 \u0433\u043b\u0430\u0437\u043a\u043e\u0432\u044b\u0435 \u0434\u0438\u0430\u0433\u0440\u0430\u043c\u043c\u044b (\u0432 \u0432\u044b\u0441\u043e\u043a\u043e\u0441\u043a\u043e\u0440\u043e\u0441\u0442\u043d\u044b\u0445 \u043a\u0430\u043d\u0430\u043b\u0430\u0445)<\/li>\n<\/ul>\n\n\n\n<p>\u0414\u0430\u0436\u0435 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u0441\u043c\u0435\u0449\u0435\u043d\u0438\u0435 Er \u043c\u043e\u0436\u0435\u0442 \u0438\u0437\u043c\u0435\u043d\u0438\u0442\u044c \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441 \u043d\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u041e\u043c, \u0447\u0442\u043e \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0432\u0430\u0436\u043d\u043e \u0432 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f\u0445 \u0441 \u0440\u0435\u0433\u0443\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u043c \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441\u043e\u043c.<\/p>\n\n\n\n<p>\u0412\u043e\u043f\u0440\u043e\u0441\u044b \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0448\u0442\u0430\u0431\u0435\u043b\u0435\u0439 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0432 <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-stackup-design-guide\/\">\u0420\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u043f\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044e \u043f\u0435\u0447\u0430\u0442\u043d\u044b\u0445 \u043f\u043b\u0430\u0442 FR4<\/a><\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0412\u0430\u0440\u0438\u0430\u0446\u0438\u0438 Er \u0432\u043d\u0443\u0442\u0440\u0438 \u043e\u0434\u043d\u043e\u0439 \u043f\u0435\u0447\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u044b<\/h2>\n\n\n\n<p>\u0415\u0449\u0435 \u043e\u0434\u0438\u043d \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0432\u043e\u043f\u0440\u043e\u0441: Er \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0430\u0431\u0441\u043e\u043b\u044e\u0442\u043d\u043e \u043e\u0434\u043d\u043e\u0440\u043e\u0434\u043d\u044b\u043c.<\/p>\n\n\n\n<p>\u0412\u0435\u0434\u044c \u0441\u043b\u0435\u0434\u044b \u043c\u043e\u0433\u0443\u0442 \u043f\u0435\u0440\u0435\u0431\u0435\u0436\u0430\u0442\u044c \u0434\u043e\u0440\u043e\u0433\u0443:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0431\u043e\u043b\u0435\u0435 \u0431\u043e\u0433\u0430\u0442\u044b\u0435 \u0441\u043c\u043e\u043b\u043e\u0439 \u0440\u0430\u0439\u043e\u043d\u044b<\/li>\n\n\n\n<li>\u0431\u043e\u043b\u0435\u0435 \u0431\u043e\u0433\u0430\u0442\u044b\u0435 \u0441\u0442\u0435\u043a\u043b\u043e\u043c \u0440\u0430\u0439\u043e\u043d\u044b<\/li>\n<\/ul>\n\n\n\n<p>\u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u0443\u044e \u0432\u0430\u0440\u0438\u0430\u0446\u0438\u044e.<\/p>\n\n\n\n<p>\u0418\u043d\u043e\u0433\u0434\u0430 \u044d\u0442\u043e \u043d\u0430\u0437\u044b\u0432\u0430\u044e\u0442 <strong>\u201c\u042d\u0444\u0444\u0435\u043a\u0442 \u043f\u0435\u0440\u0435\u043f\u043b\u0435\u0442\u0435\u043d\u0438\u044f \u0432\u043e\u043b\u043e\u043a\u043e\u043d\u201d<\/strong>.<\/p>\n\n\n\n<p>\u041e\u043d \u043c\u043e\u0436\u0435\u0442 \u0432\u044b\u0437\u0432\u0430\u0442\u044c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u043f\u0435\u0440\u0435\u043a\u043e\u0441 \u043c\u0435\u0436\u0434\u0443 \u0434\u0438\u0444\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u043f\u0430\u0440\u0430\u043c\u0438<\/li>\n\n\n\n<li>\u043d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441\u0430 \u0432\u0434\u043e\u043b\u044c \u0442\u0440\u0430\u0441\u0441\u044b<\/li>\n<\/ul>\n\n\n\n<p>\u041d\u0435 \u0432\u0441\u0435\u0433\u0434\u0430 \u043a\u0440\u0438\u0442\u0438\u0447\u043d\u043e, \u043d\u043e \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u0432\u044b\u0441\u043e\u043a\u043e\u0441\u043a\u043e\u0440\u043e\u0441\u0442\u043d\u044b\u0445 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f\u0445.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u041a\u0430\u043a \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 FR4 Er \u0432 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0445 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f\u0445<\/h2>\n\n\n\n<div class=\"schema-how-to wp-block-yoast-how-to-block\"><p class=\"schema-how-to-description\">\u0412\u0430\u043c \u043d\u0435 \u043d\u0443\u0436\u043d\u044b \u0438\u0434\u0435\u0430\u043b\u044c\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 - \u0432\u0430\u043c \u043d\u0443\u0436\u043d\u044b \u0440\u0435\u0430\u043b\u0438\u0441\u0442\u0438\u0447\u043d\u044b\u0435 \u043f\u0440\u0435\u0434\u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u044f.<\/p> <ol class=\"schema-how-to-steps\"><li class=\"schema-how-to-step\" id=\"how-to-step-1774453565242\"><strong class=\"schema-how-to-step-name\">1. \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f \u043e \u0448\u0442\u0430\u0431\u0435\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438<\/strong> <p class=\"schema-how-to-step-text\">\u041d\u0435 \u043f\u043e\u043b\u0430\u0433\u0430\u0439\u0442\u0435\u0441\u044c \u043d\u0430 \u043e\u0431\u0449\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f Er.<br\/>\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435:<br\/>\u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u043f\u0430\u0441\u043f\u043e\u0440\u0442\u0430 \u043d\u0430 \u043b\u0430\u043c\u0438\u043d\u0430\u0442<br\/>\u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441\u0430 \u043e\u0442 \u0432\u0430\u0448\u0435\u0433\u043e \u043f\u043e\u0441\u0442\u0430\u0432\u0449\u0438\u043a\u0430 \u043f\u0435\u0447\u0430\u0442\u043d\u044b\u0445 \u043f\u043b\u0430\u0442<br\/>\u041e\u043d\u0438 \u0431\u043b\u0438\u0436\u0435 \u043a \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u043c \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u043c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1774453593981\"><strong class=\"schema-how-to-step-name\">2. \u041f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u0443\u0439\u0442\u0435 \u0441 \u0443\u0447\u0435\u0442\u043e\u043c \u0446\u0435\u043b\u0435\u0432\u043e\u0433\u043e \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441\u0430, \u0430 \u043d\u0435 \u043d\u043e\u043c\u0438\u043d\u0430\u043b\u044c\u043d\u043e\u0433\u043e Er<\/strong> <p class=\"schema-how-to-step-text\">\u0412\u043c\u0435\u0441\u0442\u043e \u0442\u043e\u0433\u043e \u0447\u0442\u043e\u0431\u044b \u0441\u043e\u0441\u0440\u0435\u0434\u043e\u0442\u043e\u0447\u0438\u0442\u044c\u0441\u044f \u043d\u0435\u043f\u043e\u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043d\u0430 \u042d\u0440\u0435:<br\/>\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0446\u0435\u043b\u0435\u0432\u043e\u0439 \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, 50 \u041e\u043c, 100 \u041e\u043c)<br\/>\u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u043e\u0442\u0440\u0435\u0433\u0443\u043b\u0438\u0440\u0443\u0439\u0442\u0435 \u0448\u0438\u0440\u0438\u043d\u0443 \u0442\u0440\u0430\u0441\u0441\u044b \u0438 \u0440\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043c\u0435\u0436\u0434\u0443 \u043d\u0438\u043c\u0438<br\/>\u041f\u0443\u0441\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c \u043f\u043e\u043c\u043e\u0436\u0435\u0442 \u043d\u0430\u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0448\u0442\u0430\u0431\u0435\u043b\u044c.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1774453621498\"><strong class=\"schema-how-to-step-name\">3. \u0411\u0443\u0434\u044c\u0442\u0435 \u043a\u043e\u043d\u0441\u0435\u0440\u0432\u0430\u0442\u0438\u0432\u043d\u044b \u043d\u0430 \u0432\u044b\u0441\u043e\u043a\u0438\u0445 \u0447\u0430\u0441\u0442\u043e\u0442\u0430\u0445<\/strong> <p class=\"schema-how-to-step-text\">\u0421 \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u0435\u043c \u0447\u0430\u0441\u0442\u043e\u0442\u044b:<br\/>\u0432\u043e\u0437\u0440\u0430\u0441\u0442\u0430\u0435\u0442 \u043d\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0441\u0442\u044c<br\/>\u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u0435 \u043f\u043e\u0442\u0435\u0440\u044c<br\/>\u0415\u0441\u043b\u0438 \u0432\u0430\u0448\u0430 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f \u0447\u0443\u0432\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u0430, \u043f\u0440\u0435\u0434\u043f\u043e\u043b\u043e\u0436\u0438\u0442\u0435, \u0447\u0442\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0431\u0443\u0434\u0435\u0442 \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u0445\u0443\u0436\u0435, \u0447\u0435\u043c \u0432 \u0438\u0434\u0435\u0430\u043b\u044c\u043d\u044b\u0445 \u0440\u0430\u0441\u0447\u0435\u0442\u0430\u0445.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1774453635396\"><strong class=\"schema-how-to-step-name\">4. \u0414\u0435\u0440\u0436\u0438\u0442\u0435 \u0441\u0438\u0433\u043d\u0430\u043b\u044c\u043d\u044b\u0435 \u0441\u043b\u043e\u0438 \u0431\u043b\u0438\u0437\u043a\u043e \u043a \u043e\u043f\u043e\u0440\u043d\u044b\u043c \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u044f\u043c<\/strong> <p class=\"schema-how-to-step-text\">\u042d\u0442\u043e \u0441\u043d\u0438\u0436\u0430\u0435\u0442 \u0447\u0443\u0432\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043a \u043a\u043e\u043b\u0435\u0431\u0430\u043d\u0438\u044f\u043c Er \u0438 \u043f\u043e\u0432\u044b\u0448\u0430\u0435\u0442 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u0445\u043e\u0434\u0430.<br\/>\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043f\u0440\u0438\u0435\u043c\u044b \u0441\u0442\u0435\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0432 <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-stackup-design-guide\/\">\u0420\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u043f\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044e \u043f\u0435\u0447\u0430\u0442\u043d\u044b\u0445 \u043f\u043b\u0430\u0442 FR4<\/a><\/strong>.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1774453661721\"><strong class=\"schema-how-to-step-name\">5. \u0417\u043d\u0430\u0439\u0442\u0435, \u043a\u043e\u0433\u0434\u0430 FR4 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e<\/strong> <p class=\"schema-how-to-step-text\">\u0412 \u043a\u0430\u043a\u043e\u0439-\u0442\u043e \u043c\u043e\u043c\u0435\u043d\u0442 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u043a\u0430 \u043f\u0440\u0435\u0434\u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u042d\u0440\u0430 \u043d\u0435 \u043f\u043e\u043c\u043e\u0436\u0435\u0442 \u0440\u0435\u0448\u0438\u0442\u044c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443.<br\/>\u0415\u0441\u043b\u0438 \u0432\u044b \u0432\u0438\u0434\u0438\u0442\u0435:<br\/>\u0447\u0440\u0435\u0437\u043c\u0435\u0440\u043d\u044b\u0435 \u0432\u043d\u043e\u0441\u0438\u043c\u044b\u0435 \u043f\u043e\u0442\u0435\u0440\u0438<br\/>\u043d\u0435\u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441<br\/>\u0436\u0435\u0441\u0442\u043a\u0438\u0435 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f \u043a \u0440\u0430\u0434\u0438\u043e\u0447\u0430\u0441\u0442\u043e\u0442\u0430\u043c<br\/>\u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e, \u043f\u0440\u0438\u0448\u043b\u043e \u0432\u0440\u0435\u043c\u044f \u043f\u0435\u0440\u0435\u0439\u0442\u0438 \u043d\u0430 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b \u0441 \u043d\u0438\u0437\u043a\u0438\u043c \u0443\u0440\u043e\u0432\u043d\u0435\u043c \u043f\u043e\u0442\u0435\u0440\u044c.<br\/>\u0421\u043c. <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/low-loss-pcb-materials-rf-microwave-circuits\/\">\u041c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u044b \u0434\u043b\u044f \u043f\u0435\u0447\u0430\u0442\u043d\u044b\u0445 \u043f\u043b\u0430\u0442 \u0441 \u043d\u0438\u0437\u043a\u0438\u043c \u0443\u0440\u043e\u0432\u043d\u0435\u043c \u043f\u043e\u0442\u0435\u0440\u044c \u0434\u043b\u044f \u0440\u0430\u0434\u0438\u043e\u0447\u0430\u0441\u0442\u043e\u0442\u043d\u044b\u0445 \u0438 \u043c\u0438\u043a\u0440\u043e\u0432\u043e\u043b\u043d\u043e\u0432\u044b\u0445 \u0441\u0445\u0435\u043c<\/a><\/strong>.<\/p> <\/li><\/ol><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"521\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-11.jpg\" alt=\"FR4 PCB\" class=\"wp-image-514\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-11.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-11-300x261.jpg 300w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-11-14x12.jpg 14w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">\u041f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0437\u0430\u043c\u0435\u0442\u043a\u0438 \u0438\u0437 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432<\/h2>\n\n\n\n<p>\u041d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0432\u0435\u0449\u0435\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043e\u0431\u044b\u0447\u043d\u043e \u0443\u0434\u0438\u0432\u043b\u044f\u044e\u0442 \u043b\u044e\u0434\u0435\u0439:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Er \u0432 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0445 \u043c\u043e\u0434\u0435\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0447\u0430\u0441\u0442\u043e \u043d\u0435 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0438\u0437\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u043c \u043f\u043b\u0430\u0442\u0430\u043c<\/li>\n\n\n\n<li>\u0420\u0430\u0437\u043d\u044b\u0435 \u043f\u043e\u0441\u0442\u0430\u0432\u0449\u0438\u043a\u0438 \u043c\u043e\u0433\u0443\u0442 \u0434\u0430\u0432\u0430\u0442\u044c \u0437\u0430\u043c\u0435\u0442\u043d\u043e \u043e\u0442\u043b\u0438\u0447\u0430\u044e\u0449\u0438\u0435\u0441\u044f \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b<\/li>\n\n\n\n<li>\u041f\u0440\u0435\u043f\u0440\u0435\u0433 \u0438 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u044b \u0432\u0435\u0434\u0443\u0442 \u0441\u0435\u0431\u044f \u043d\u0435 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e<\/li>\n\n\n\n<li>\u0428\u0435\u0440\u043e\u0445\u043e\u0432\u0430\u0442\u043e\u0441\u0442\u044c \u043c\u0435\u0434\u0438 \u043c\u043e\u0436\u0435\u0442 \u0432\u043b\u0438\u044f\u0442\u044c \u043d\u0430 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0435 \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0434\u0438\u044d\u043b\u0435\u043a\u0442\u0440\u0438\u043a\u0430<\/li>\n<\/ul>\n\n\n\n<p>\u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u0441\u044c \u043a \u042d\u0440\u0443 \u043a\u0430\u043a \u043a <strong>\u0430\u0441\u0441\u043e\u0440\u0442\u0438\u043c\u0435\u043d\u0442<\/strong>, \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u043e\u0439.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/h1>\n\n\n\n<p>\u0414\u0438\u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043f\u0440\u043e\u043d\u0438\u0446\u0430\u0435\u043c\u043e\u0441\u0442\u044c FR4 \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 - \u043e\u043d\u0430 \u0438\u0437\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0447\u0430\u0441\u0442\u043e\u0442\u044b, \u0441\u043e\u0441\u0442\u0430\u0432\u0430 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0430 \u0438 \u0434\u0430\u0436\u0435 \u0443\u0441\u043b\u043e\u0432\u0438\u0439 \u0440\u0430\u0437\u043c\u0435\u0449\u0435\u043d\u0438\u044f.<\/p>\n\n\n\n<p>\u0414\u043b\u044f \u043d\u0438\u0437\u043a\u043e\u0441\u043a\u043e\u0440\u043e\u0441\u0442\u043d\u044b\u0445 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439 \u044d\u0442\u043e \u043e\u0442\u043a\u043b\u043e\u043d\u0435\u043d\u0438\u0435 \u043e\u0431\u044b\u0447\u043d\u043e \u043d\u0435 \u0438\u043c\u0435\u0435\u0442 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f.<br>\u0414\u043b\u044f \u0432\u044b\u0441\u043e\u043a\u043e\u0441\u043a\u043e\u0440\u043e\u0441\u0442\u043d\u044b\u0445 \u0438\u043b\u0438 \u0440\u0430\u0434\u0438\u043e\u0447\u0430\u0441\u0442\u043e\u0442\u043d\u044b\u0445 \u0441\u0445\u0435\u043c \u043e\u043d \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e \u0432\u043b\u0438\u044f\u0435\u0442 \u043d\u0430 \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441 \u0438 \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u0430.<\/p>\n\n\n\n<p>\u0413\u043b\u0430\u0432\u043d\u043e\u0435 - \u043d\u0435 \u0433\u043d\u0430\u0442\u044c\u0441\u044f \u0437\u0430 \u0438\u0434\u0435\u0430\u043b\u044c\u043d\u044b\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c Er, \u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0442\u044c \u0441 \u0440\u0435\u0430\u043b\u0438\u0441\u0442\u0438\u0447\u043d\u044b\u043c\u0438 \u043f\u0440\u0435\u0434\u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u043c\u0438 \u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0442\u044c \u0438\u0445 \u0443 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f \u043f\u0435\u0447\u0430\u0442\u043d\u044b\u0445 \u043f\u043b\u0430\u0442.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0427\u0410\u0421\u0422\u041e \u0417\u0410\u0414\u0410\u0412\u0410\u0415\u041c\u042b\u0415 \u0412\u041e\u041f\u0420\u041e\u0421\u042b<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1774453753561\"><strong class=\"schema-faq-question\">\u042f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043b\u0438 FR4 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u044b\u043c \u0434\u0438\u044d\u043b\u0435\u043a\u0442\u0440\u0438\u043a\u043e\u043c?<\/strong> <p class=\"schema-faq-answer\">\u041d\u0435\u0442. \u041e\u043d\u0430 \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u0447\u0430\u0441\u0442\u043e\u0442\u044b, \u0441\u043e\u0441\u0442\u0430\u0432\u0430 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0430 \u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1774453858375\"><strong class=\"schema-faq-question\">\u041a\u0430\u043a\u043e\u0432\u043e \u0442\u0438\u043f\u0438\u0447\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 Er \u0434\u043b\u044f FR4?<\/strong> <p class=\"schema-faq-answer\">\u041e\u0431\u044b\u0447\u043d\u043e \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 4,2-4,6, \u043d\u043e \u0444\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u0447\u0430\u0441\u0442\u043e\u0442\u044b \u0438 \u0442\u0438\u043f\u0430 \u043b\u0430\u043c\u0438\u043d\u0430\u0442\u0430.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1774453901118\"><strong class=\"schema-faq-question\">\u041f\u043e\u0447\u0435\u043c\u0443 Er \u0443\u043c\u0435\u043d\u044c\u0448\u0430\u0435\u0442\u0441\u044f \u043d\u0430 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0438\u0445 \u0447\u0430\u0441\u0442\u043e\u0442\u0430\u0445?<\/strong> <p class=\"schema-faq-answer\">\u041f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u044b \u043f\u043e\u043b\u044f\u0440\u0438\u0437\u0430\u0446\u0438\u0438 \u0432 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0435 \u0441\u0442\u0430\u043d\u043e\u0432\u044f\u0442\u0441\u044f \u043c\u0435\u043d\u0435\u0435 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u044b\u043c\u0438 \u0441 \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u0435\u043c \u0447\u0430\u0441\u0442\u043e\u0442\u044b.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1774453912383\"><strong class=\"schema-faq-question\">\u0412\u043b\u0438\u044f\u0435\u0442 \u043b\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 Er \u043d\u0430 \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441?<\/strong> <p class=\"schema-faq-answer\">\u0414\u0430. \u0414\u0430\u0436\u0435 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0438\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 Er \u043c\u043e\u0433\u0443\u0442 \u043f\u043e\u0432\u043b\u0438\u044f\u0442\u044c \u043d\u0430 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0439 \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441 \u0438 \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u0430.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1774453990064\"><strong class=\"schema-faq-question\">\u041a\u043e\u0433\u0434\u0430 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u043f\u0440\u0435\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 FR4?<\/strong> <p class=\"schema-faq-answer\">\u0414\u0430. \u0414\u0430\u0436\u0435 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0438\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 Er \u043c\u043e\u0433\u0443\u0442 \u043f\u043e\u0432\u043b\u0438\u044f\u0442\u044c \u043d\u0430 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0439 \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441 \u0438 \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u0430.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>\u0414\u0438\u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043f\u0440\u043e\u043d\u0438\u0446\u0430\u0435\u043c\u043e\u0441\u0442\u044c (Er) FR4 \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c. \u041e\u043d\u0430 \u0438\u0437\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0447\u0430\u0441\u0442\u043e\u0442\u044b, \u0441\u043e\u0441\u0442\u0430\u0432\u0430 \u0441\u043c\u043e\u043b\u044b \u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430. \u042d\u0442\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0432\u043b\u0438\u044f\u0435\u0442 \u043d\u0430 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441\u0430 \u0438 \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u0430, \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u0432 \u0432\u044b\u0441\u043e\u043a\u043e\u0441\u043a\u043e\u0440\u043e\u0441\u0442\u043d\u044b\u0445 \u0438 \u0440\u0430\u0434\u0438\u043e\u0447\u0430\u0441\u0442\u043e\u0442\u043d\u044b\u0445 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f\u0445. \u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043e\u0431\u044a\u044f\u0441\u043d\u044f\u0435\u0442\u0441\u044f, \u043a\u0430\u043a Er \u0438\u0437\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0441 \u0447\u0430\u0441\u0442\u043e\u0442\u043e\u0439 \u0438 \u0447\u0442\u043e \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0443\u0447\u0438\u0442\u044b\u0432\u0430\u0442\u044c \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u0430\u043c \u043f\u0440\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u043f\u0435\u0447\u0430\u0442\u043d\u044b\u0445 \u043f\u043b\u0430\u0442 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 FR4.<\/p>","protected":false},"author":1,"featured_media":511,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[4],"tags":[44],"class_list":["post-553","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-fr4"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>FR4 Dielectric Constant (Er) vs Frequency Explained - HanSphere<\/title>\n<meta name=\"description\" content=\"Understand how the dielectric constant (Er) of FR4 changes with frequency and how it affects impedance and signal 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Explained\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.han-sphere.com\/#website\",\"url\":\"https:\/\/www.han-sphere.com\/\",\"name\":\"hansphere\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.han-sphere.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ru-RU\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.han-sphere.com\/#\/schema\/person\/a8f2356806898d33a9f431801140e422\",\"name\":\"hansphere01\",\"sameAs\":[\"http:\/\/www.han-sphere.com\/\"],\"url\":\"https:\/\/www.han-sphere.com\/ru\/author\/hansphere01\/\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453753561\",\"position\":1,\"url\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453753561\",\"name\":\"Is FR4 dielectric constant constant?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. It varies with frequency, material composition, and manufacturing process.\",\"inLanguage\":\"ru-RU\"},\"inLanguage\":\"ru-RU\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453858375\",\"position\":2,\"url\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453858375\",\"name\":\"What is the typical Er value of FR4?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Usually quoted around 4.2\u20134.6, but the actual value depends on frequency and laminate type.\",\"inLanguage\":\"ru-RU\"},\"inLanguage\":\"ru-RU\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453901118\",\"position\":3,\"url\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453901118\",\"name\":\"Why does Er decrease at higher frequencies?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Because polarization mechanisms in the material become less effective as frequency increases.\",\"inLanguage\":\"ru-RU\"},\"inLanguage\":\"ru-RU\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453912383\",\"position\":4,\"url\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453912383\",\"name\":\"Does Er variation affect impedance?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Even small changes in Er can affect controlled impedance and signal integrity.\",\"inLanguage\":\"ru-RU\"},\"inLanguage\":\"ru-RU\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453990064\",\"position\":5,\"url\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453990064\",\"name\":\"When should I stop using FR4?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Even small changes in Er can affect controlled impedance and signal integrity.\",\"inLanguage\":\"ru-RU\"},\"inLanguage\":\"ru-RU\"},{\"@type\":\"HowTo\",\"@id\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#howto-1\",\"name\":\"FR4 Dielectric Constant (Er) vs Frequency Explained\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/\"},\"description\":\"You don\u2019t need perfect data\u2014you need realistic assumptions.\",\"step\":[{\"@type\":\"HowToStep\",\"url\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#how-to-step-1774453565242\",\"name\":\"1. 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\u043b\u0438 FR4 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u044b\u043c \u0434\u0438\u044d\u043b\u0435\u043a\u0442\u0440\u0438\u043a\u043e\u043c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No. It varies with frequency, material composition, and manufacturing process.","inLanguage":"ru-RU"},"inLanguage":"ru-RU"},{"@type":"Question","@id":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453858375","position":2,"url":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453858375","name":"\u041a\u0430\u043a\u043e\u0432\u043e \u0442\u0438\u043f\u0438\u0447\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 Er \u0434\u043b\u044f FR4?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Usually quoted around 4.2\u20134.6, but the actual value depends on frequency and laminate type.","inLanguage":"ru-RU"},"inLanguage":"ru-RU"},{"@type":"Question","@id":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453901118","position":3,"url":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453901118","name":"\u041f\u043e\u0447\u0435\u043c\u0443 Er \u0443\u043c\u0435\u043d\u044c\u0448\u0430\u0435\u0442\u0441\u044f \u043d\u0430 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0438\u0445 \u0447\u0430\u0441\u0442\u043e\u0442\u0430\u0445?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Because polarization mechanisms in the material become less effective as frequency increases.","inLanguage":"ru-RU"},"inLanguage":"ru-RU"},{"@type":"Question","@id":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453912383","position":4,"url":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453912383","name":"\u0412\u043b\u0438\u044f\u0435\u0442 \u043b\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 Er \u043d\u0430 \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Even small changes in Er can affect controlled impedance and signal integrity.","inLanguage":"ru-RU"},"inLanguage":"ru-RU"},{"@type":"Question","@id":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453990064","position":5,"url":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#faq-question-1774453990064","name":"\u041a\u043e\u0433\u0434\u0430 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u043f\u0440\u0435\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 FR4?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Even small changes in Er can affect controlled impedance and signal integrity.","inLanguage":"ru-RU"},"inLanguage":"ru-RU"},{"@type":"HowTo","@id":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#howto-1","name":"\u0414\u0438\u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043f\u0440\u043e\u043d\u0438\u0446\u0430\u0435\u043c\u043e\u0441\u0442\u044c (Er) FR4 \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0447\u0430\u0441\u0442\u043e\u0442\u044b","mainEntityOfPage":{"@id":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/"},"description":"\u0412\u0430\u043c \u043d\u0435 \u043d\u0443\u0436\u043d\u044b \u0438\u0434\u0435\u0430\u043b\u044c\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 - \u0432\u0430\u043c \u043d\u0443\u0436\u043d\u044b \u0440\u0435\u0430\u043b\u0438\u0441\u0442\u0438\u0447\u043d\u044b\u0435 \u043f\u0440\u0435\u0434\u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u044f.","step":[{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#how-to-step-1774453565242","name":"1. Use Manufacturer Stackup Data","itemListElement":[{"@type":"HowToDirection","text":"Don\u2019t rely on generic Er values.<br\/>Use:<br\/>laminate datasheets<br\/>impedance tables from your PCB vendor<br\/>They\u2019re closer to actual fabrication conditions."}]},{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#how-to-step-1774453593981","name":"2. Design Around Target Impedance, Not Nominal Er","itemListElement":[{"@type":"HowToDirection","text":"Instead of focusing on Er directly:<br\/>define target impedance (e.g., 50\u03a9, 100\u03a9 diff)<br\/>adjust trace width and spacing accordingly<br\/>Let the manufacturer help tune the stackup."}]},{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#how-to-step-1774453621498","name":"3. Be Conservative at Higher Frequencies","itemListElement":[{"@type":"HowToDirection","text":"As frequency increases:<br\/>uncertainty increases<br\/>loss increases<br\/>If your design is sensitive, assume slightly worse performance than ideal calculations."}]},{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#how-to-step-1774453635396","name":"4. Keep Signal Layers Close to Reference Planes","itemListElement":[{"@type":"HowToDirection","text":"This reduces sensitivity to Er variation and improves return path stability.<br\/>Basic stackup practices are covered in <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-stackup-design-guide\/\">FR4 PCB Stackup Design Guide<\/a><\/strong>."}]},{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#how-to-step-1774453661721","name":"5. Know When FR4 Is Not Enough","itemListElement":[{"@type":"HowToDirection","text":"At some point, tweaking Er assumptions won\u2019t fix the problem.<br\/>If you see:<br\/>excessive insertion loss<br\/>unstable impedance<br\/>tight RF requirements<br\/>it may be time to move to a low-loss material.<br\/>See <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/low-loss-pcb-materials-rf-microwave-circuits\/\">Low-Loss PCB Materials for RF and Microwave Circuits<\/a><\/strong>."}]}],"inLanguage":"ru-RU"}]}},"_links":{"self":[{"href":"https:\/\/www.han-sphere.com\/ru\/wp-json\/wp\/v2\/posts\/553","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.han-sphere.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.han-sphere.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/ru\/wp-json\/wp\/v2\/comments?post=553"}],"version-history":[{"count":1,"href":"https:\/\/www.han-sphere.com\/ru\/wp-json\/wp\/v2\/posts\/553\/revisions"}],"predecessor-version":[{"id":554,"href":"https:\/\/www.han-sphere.com\/ru\/wp-json\/wp\/v2\/posts\/553\/revisions\/554"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/ru\/wp-json\/wp\/v2\/media\/511"}],"wp:attachment":[{"href":"https:\/\/www.han-sphere.com\/ru\/wp-json\/wp\/v2\/media?parent=553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.han-sphere.com\/ru\/wp-json\/wp\/v2\/categories?post=553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.han-sphere.com\/ru\/wp-json\/wp\/v2\/tags?post=553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}