{"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\/ar\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/","title":{"rendered":"\u0634\u0631\u062d \u0627\u0644\u062b\u0627\u0628\u062a \u0627\u0644\u0639\u0627\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a (Er) \u0644 FR4 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u062a\u0631\u062f\u062f"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u0625\u0630\u0627 \u0643\u0646\u062a \u0642\u062f \u062d\u0627\u0648\u0644\u062a \u0645\u0646 \u0642\u0628\u0644 \u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0639\u0644\u0649 \u0645\u0643\u062f\u0633 FR4 \u0648\u0648\u062c\u062f\u062a \u0627\u0644\u0623\u0631\u0642\u0627\u0645 \u062a\u0646\u062d\u0631\u0641\u060c \u0641\u0642\u062f \u0648\u0627\u062c\u0647\u062a \u0647\u0630\u0647 \u0627\u0644\u0645\u0634\u0643\u0644\u0629 \u0628\u0627\u0644\u0641\u0639\u0644.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0627 \u062a\u062d\u062a\u0648\u064a FR4 \u0639\u0644\u0649 \u062b\u0627\u0628\u062a \u0639\u0627\u0632\u0644 \u0648\u0627\u062d\u062f. \u062a\u062a\u063a\u064a\u0631 \u0627\u0644\u0642\u064a\u0645\u0629 \u0645\u0639 \u0627\u0644\u062a\u0631\u062f\u062f\u060c \u0648\u0647\u0630\u0627 \u0627\u0644\u062a\u063a\u064a\u0631 \u0643\u0627\u0641\u064d \u0644\u0644\u062a\u0623\u062b\u064a\u0631 \u0639\u0644\u0649 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629\u060c \u062e\u0627\u0635\u0629\u064b \u0628\u0645\u062c\u0631\u062f \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0644 \u0625\u0644\u0649 \u0645\u0627 \u0628\u0639\u062f \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u0633\u0631\u0639\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0627 \u062a\u0632\u0627\u0644 \u0645\u0639\u0638\u0645 \u0623\u0648\u0631\u0627\u0642 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u062a\u0642\u062a\u0628\u0633 \u0634\u064a\u0626\u064b\u0627 \u0645\u062b\u0644 <strong>Er = 4.2-4.6<\/strong>, \u060c \u0644\u0643\u0646 \u0647\u0630\u0627 \u0627\u0644\u0631\u0642\u0645 \u0645\u0646\u0637\u0642\u064a \u0641\u0642\u0637 \u0641\u064a \u0638\u0644 \u0638\u0631\u0648\u0641 \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u062d\u062f\u062f\u0629. \u0641\u064a \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629\u060c \u0645\u0627 \u064a\u0647\u0645 \u0647\u0648 \u0643\u064a\u0641 \u064a\u062a\u0635\u0631\u0641 Er \u0639\u0628\u0631 \u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0641\u0639\u0644\u064a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0644\u0627\u0637\u0644\u0627\u0639 \u0639\u0644\u0649 \u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0623\u0648\u0633\u0639 \u0639\u0644\u0649 \u0627\u0644\u0645\u0648\u0627\u062f\u060c \u0627\u0646\u0638\u0631 <a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-material-guide-properties-applications\/\"><strong>\u062f\u0644\u064a\u0644 \u0645\u0648\u0627\u062f \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 FR4: \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0648\u0627\u0644\u0645\u0632\u0627\u064a\u0627 \u0648\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/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 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" 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\">\u0645\u0627 \u0647\u0648 \u062b\u0627\u0628\u062a \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a (Er)\u061f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0635\u0641 \u062b\u0627\u0628\u062a \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a (Er) \u0643\u064a\u0641\u064a\u0629 \u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0645\u0627\u062f\u0629 \u0644\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0641\u064a \u0645\u062c\u0627\u0644 \u0643\u0647\u0631\u0628\u0627\u0626\u064a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\u060c \u064a\u0624\u062b\u0631 Er \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0633\u0631\u0639\u0629 \u0627\u0646\u062a\u0634\u0627\u0631 \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0645\u0645\u064a\u0632\u0629<\/li>\n\n\n\n<li>\u062a\u0623\u062e\u064a\u0631 \u0627\u0644\u062a\u062a\u0628\u0639<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Er \u0623\u0639\u0644\u0649 \u2190 \u0627\u0646\u062a\u0634\u0627\u0631 \u0623\u0628\u0637\u0623 \u0644\u0644\u0625\u0634\u0627\u0631\u0629 \u2190 \u0637\u0648\u0644 \u0645\u0648\u062c\u064a \u0623\u0642\u0635\u0631 \u0641\u064a \u0627\u0644\u0645\u0627\u062f\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0647\u0630\u0627 \u0627\u0644\u0633\u0628\u0628 \u064a\u0638\u0647\u0631 Er \u0641\u064a \u0643\u0644 \u0622\u0644\u0629 \u062d\u0627\u0633\u0628\u0629 \u0644\u0644\u0645\u0639\u0627\u0648\u0642\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0644\u0645\u0627\u0630\u0627 \u064a\u062a\u063a\u064a\u0631 Er \u0645\u0639 \u0627\u0644\u062a\u0643\u0631\u0627\u0631<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">FR4 \u0644\u064a\u0633\u062a \u0645\u0627\u062f\u0629 \u0645\u0648\u062d\u062f\u0629. \u0625\u0646\u0647\u0627 \u0645\u0632\u064a\u062c \u0645\u0646:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0632\u062c\u0627\u062c\u064a\u0629 (\u0641\u0642\u062f\u0627\u0646 \u0645\u0646\u062e\u0641\u0636\u060c Er \u0623\u0642\u0644)<\/li>\n\n\n\n<li>\u0631\u0627\u062a\u0646\u062c\u0627\u062a \u0627\u0644\u0625\u064a\u0628\u0648\u0643\u0633\u064a (\u0641\u0642\u062f\u0627\u0646 \u0623\u0639\u0644\u0649\u060c Er \u0623\u0639\u0644\u0649)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0648\u0628\u0633\u0628\u0628 \u0647\u0630\u0627 \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u060c \u064a\u0639\u062a\u0645\u062f \u0633\u0644\u0648\u0643\u0647 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0639\u0644\u0649 \u0627\u0644\u062a\u0631\u062f\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u0639 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u0631\u062f\u062f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0622\u0644\u064a\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0642\u0637\u0627\u0628 \u062f\u0627\u062e\u0644 \u062a\u063a\u064a\u0631 \u0627\u0644\u0631\u0627\u062a\u0646\u062c<\/li>\n\n\n\n<li>\u064a\u0645\u064a\u0644 \u062b\u0627\u0628\u062a \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0627\u0644\u0641\u0639\u0627\u0644 \u0625\u0644\u0649 <strong>\u0627\u0646\u062e\u0641\u0627\u0636\u064b\u0627 \u0637\u0641\u064a\u0641\u064b\u0627<\/strong><\/li>\n\n\n\n<li>\u064a\u0635\u0628\u062d \u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0623\u0643\u062b\u0631 \u0648\u0636\u0648\u062d\u064b\u0627<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u0646 \u0627\u0644\u0646\u0627\u062d\u064a\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629<br><strong>\u064a\u062e\u062a\u0644\u0641 Er \u0639\u0646\u062f 100 \u0645\u064a\u062c\u0627\u0647\u0631\u062a\u0632 \u0639\u0646 Er \u0639\u0646\u062f \u0639\u062f\u0629 \u062c\u064a\u062c\u0627\u0647\u0631\u062a\u0632.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0642\u064a\u0645 Er \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u062a\u0631\u062f\u062f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0646 \u062a\u062d\u0635\u0644 \u0639\u0644\u0649 \u0645\u0646\u062d\u0646\u0649 \u0639\u0627\u0645 \u0648\u0627\u062d\u062f\u060c \u0648\u0644\u0643\u0646 \u0627\u0644\u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0639\u0627\u0645 \u064a\u0628\u062f\u0648 \u0647\u0643\u0630\u0627:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0631\u062f\u062f<\/th><th>FR4 Er \u0646\u0645\u0648\u0630\u062c\u064a<\/th><\/tr><\/thead><tbody><tr><td>1 \u0645\u064a\u062c\u0627 \u0647\u0631\u062a\u0632<\/td><td>~4.5-4.8<\/td><\/tr><tr><td>100 \u0645\u064a\u062c\u0627\u0647\u0631\u062a\u0632<\/td><td>~4.3-4.6<\/td><\/tr><tr><td>1 \u062c\u064a\u062c\u0627 \u0647\u0631\u062a\u0632<\/td><td>~4.2-4.5<\/td><\/tr><tr><td>5-10 \u062c\u064a\u062c\u0627 \u0647\u0631\u062a\u0632<\/td><td>~4.0-4.3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u062e\u062a\u0644\u0641 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0641\u0639\u0644\u064a\u0629 \u062d\u0633\u0628 \u0627\u0644\u0645\u0648\u0631\u062f \u0648\u0646\u0638\u0627\u0645 \u0627\u0644\u0631\u0627\u062a\u0646\u062c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0647\u0630\u0627 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641 \u0647\u0648 \u0623\u062d\u062f \u0623\u0633\u0628\u0627\u0628 \u0627\u0628\u062a\u0639\u0627\u062f \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f \u0639\u0646 FR4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0645\u0632\u064a\u062f \u0639\u0646 \u0630\u0644\u0643 \u0647\u0646\u0627: <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-vs-rogers-pcb-high-frequency-design\/\">FR4 \u0645\u0642\u0627\u0628\u0644 \u0631\u0648\u062c\u0631\u0632 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0644\u0644\u062a\u0635\u0645\u064a\u0645 \u0639\u0627\u0644\u064a \u0627\u0644\u062a\u0631\u062f\u062f<\/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 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" 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\">\u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0639\u0644\u0649 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0625\u0630\u0627 \u0627\u0641\u062a\u0631\u0636\u062a \u0648\u062c\u0648\u062f Er \u062b\u0627\u0628\u062a \u0641\u064a \u062d\u0633\u0627\u0628\u0627\u062a\u0643\u060c \u0641\u0644\u0646 \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u062f\u0642\u064a\u0642\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0638\u0647\u0631 \u0627\u0644\u062a\u0623\u062b\u064a\u0631\u0627\u062a \u0639\u0644\u0649 \u0627\u0644\u0646\u062d\u0648 \u0627\u0644\u062a\u0627\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0639\u062f\u0645 \u0627\u0644\u062a\u0637\u0627\u0628\u0642 \u0628\u064a\u0646 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0645\u062d\u0633\u0648\u0628\u0629 \u0648\u0627\u0644\u0641\u0639\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0646\u0639\u0643\u0627\u0633\u0627\u062a \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/li>\n\n\n\n<li>\u0645\u062e\u0637\u0637\u0627\u062a \u0627\u0644\u0639\u064a\u0646 \u0627\u0644\u0645\u062a\u062f\u0647\u0648\u0631\u0629 (\u0641\u064a \u0627\u0644\u0631\u0648\u0627\u0628\u0637 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u062d\u062a\u0649 \u0625\u0632\u0627\u062d\u0629 \u0635\u063a\u064a\u0631\u0629 \u0645\u0646 Er \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u063a\u064a\u0631 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0628\u0628\u0636\u0639\u0629 \u0623\u0648\u0645\u060c \u0648\u0647\u0648 \u0645\u0627 \u064a\u0643\u0641\u064a \u0644\u0625\u062d\u062f\u0627\u062b \u0641\u0631\u0642 \u0641\u064a \u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0645\u0636\u0628\u0648\u0637\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u062a\u0645 \u062a\u063a\u0637\u064a\u0629 \u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0643\u062f\u0633 \u0641\u064a <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-stackup-design-guide\/\">\u062f\u0644\u064a\u0644 \u062a\u0635\u0645\u064a\u0645 \u0645\u0643\u062f\u0633 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 FR4<\/a><\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u062a\u0628\u0627\u064a\u0646 Er \u062f\u0627\u062e\u0644 \u0646\u0641\u0633 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u0634\u0643\u0644\u0629 \u0639\u0645\u0644\u064a\u0629 \u0623\u062e\u0631\u0649: Er \u0644\u064a\u0633\u062a \u0645\u0648\u062d\u062f\u0629 \u062a\u0645\u0627\u0645\u064b\u0627 \u0641\u064a \u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u062c\u0627\u0644\u0627\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0623\u0646 \u0627\u0644\u0622\u062b\u0627\u0631 \u0642\u062f \u062a\u0646\u062a\u0647\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u063a\u0646\u064a\u0629 \u0628\u0627\u0644\u0631\u0627\u062a\u0646\u062c<\/li>\n\n\n\n<li>\u0627\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u063a\u0646\u064a\u0629 \u0628\u0627\u0644\u0632\u062c\u0627\u062c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0645\u0643\u0646\u0643 \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u062a\u0646\u0648\u0639 \u0645\u062d\u0644\u064a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u064f\u0637\u0644\u0642 \u0639\u0644\u0649 \u0647\u0630\u0627 \u0623\u062d\u064a\u0627\u0646\u064b\u0627 \u0627\u0633\u0645 <strong>\u201c\u062a\u0623\u062b\u064a\u0631 \u0646\u0633\u062c \u0627\u0644\u0623\u0644\u064a\u0627\u0641\u201d<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0633\u0628\u0628:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0628\u064a\u0646 \u0627\u0644\u0623\u0632\u0648\u0627\u062c \u0627\u0644\u062a\u0641\u0627\u0636\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u062a\u0628\u0627\u064a\u0646 \u0645\u0639\u0627\u0648\u0642\u0629 \u0635\u063a\u064a\u0631 \u0639\u0644\u0649 \u0637\u0648\u0644 \u0627\u0644\u0645\u0633\u0627\u0631<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u064a\u0633\u062a \u062d\u0631\u062c\u0629 \u062f\u0627\u0626\u0645\u0627\u064b - \u0648\u0644\u0643\u0646\u0647\u0627 \u062a\u0638\u0647\u0631 \u0641\u064a \u0627\u0644\u062a\u0635\u0627\u0645\u064a\u0645 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u0639\u0645\u0644 \u0645\u0639 FR4 Er \u0641\u064a \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629<\/h2>\n\n\n\n<div class=\"schema-how-to wp-block-yoast-how-to-block\"><p class=\"schema-how-to-description\">\u0644\u0627 \u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0628\u064a\u0627\u0646\u0627\u062a \u0645\u062b\u0627\u0644\u064a\u0629 - \u0628\u0644 \u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0648\u0627\u0642\u0639\u064a\u0629.<\/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. \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0628\u064a\u0627\u0646\u0627\u062a \u062a\u0643\u062f\u064a\u0633 \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629<\/strong> <p class=\"schema-how-to-step-text\">\u0644\u0627 \u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0642\u064a\u0645 Er \u0627\u0644\u0639\u0627\u0645\u0629.<br\/>\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645:<br\/>\u0623\u0648\u0631\u0627\u0642 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u0635\u0641\u064a\u062d<br\/>\u062c\u062f\u0627\u0648\u0644 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0645\u0646 \u0628\u0627\u0626\u0639 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<br\/>\u0625\u0646\u0647\u0627 \u0623\u0642\u0631\u0628 \u0625\u0644\u0649 \u0638\u0631\u0648\u0641 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0641\u0639\u0644\u064a\u0629.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1774453593981\"><strong class=\"schema-how-to-step-name\">2. \u062a\u0635\u0645\u064a\u0645 \u062d\u0648\u0644 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0645\u0633\u062a\u0647\u062f\u0641\u0629\u060c \u0648\u0644\u064a\u0633 \u0627\u0644\u0627\u0633\u0645\u064a\u0629 Er<\/strong> <p class=\"schema-how-to-step-text\">\u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u062a\u0631\u0643\u064a\u0632 \u0639\u0644\u0649 Er \u0645\u0628\u0627\u0634\u0631\u0629:<br\/>\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0645\u0633\u062a\u0647\u062f\u0641\u0629 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0641\u0631\u0642 50\u03a9\u060c 100\u03a9)<br\/>\u0636\u0628\u0637 \u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 \u0648\u0627\u0644\u062a\u0628\u0627\u0639\u062f \u0648\u0641\u0642\u064b\u0627 \u0644\u0630\u0644\u0643<br\/>\u062f\u0639 \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0651\u0639\u0629 \u062a\u0633\u0627\u0639\u062f\u0643 \u0641\u064a \u0636\u0628\u0637 \u0627\u0644\u0645\u0643\u062f\u0633.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1774453621498\"><strong class=\"schema-how-to-step-name\">3. \u0643\u0646 \u0645\u062a\u062d\u0641\u0638\u0627\u064b \u0641\u064a \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0623\u0639\u0644\u0649<\/strong> <p class=\"schema-how-to-step-text\">\u0645\u0639 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u0631\u062f\u062f:<br\/>\u064a\u0632\u064a\u062f \u0639\u062f\u0645 \u0627\u0644\u064a\u0642\u064a\u0646<br\/>\u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062e\u0633\u0627\u0631\u0629<br\/>\u0625\u0630\u0627 \u0643\u0627\u0646 \u062a\u0635\u0645\u064a\u0645\u0643 \u062d\u0633\u0627\u0633\u064b\u0627\u060c \u0627\u0641\u062a\u0631\u0636 \u0623\u062f\u0627\u0621\u064b \u0623\u0633\u0648\u0623 \u0642\u0644\u064a\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1774453635396\"><strong class=\"schema-how-to-step-name\">4. \u0625\u0628\u0642\u0627\u0621 \u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0642\u0631\u064a\u0628\u0629 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0645\u0631\u062c\u0639\u064a\u0629<\/strong> <p class=\"schema-how-to-step-text\">\u064a\u0642\u0644\u0644 \u0647\u0630\u0627 \u0645\u0646 \u0627\u0644\u062d\u0633\u0627\u0633\u064a\u0629 \u062a\u062c\u0627\u0647 \u062a\u063a\u064a\u0631 Er \u0648\u064a\u062d\u0633\u0646 \u0645\u0646 \u062b\u0628\u0627\u062a \u0645\u0633\u0627\u0631 \u0627\u0644\u0625\u0631\u062c\u0627\u0639.<br\/>\u062a\u062a\u0645 \u062a\u063a\u0637\u064a\u0629 \u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0627\u0644\u062a\u0643\u062f\u064a\u0633 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0641\u064a <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-stackup-design-guide\/\">\u062f\u0644\u064a\u0644 \u062a\u0635\u0645\u064a\u0645 \u0645\u0643\u062f\u0633 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 FR4<\/a><\/strong>.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1774453661721\"><strong class=\"schema-how-to-step-name\">5. \u0627\u0639\u0631\u0641 \u0645\u062a\u0649 \u0644\u0627 \u062a\u0643\u0641\u064a FR4<\/strong> <p class=\"schema-how-to-step-text\">\u0641\u064a \u0645\u0631\u062d\u0644\u0629 \u0645\u0627\u060c \u0644\u0646 \u064a\u0624\u062f\u064a \u062a\u0639\u062f\u064a\u0644 \u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a Er \u0625\u0644\u0649 \u062d\u0644 \u0627\u0644\u0645\u0634\u0643\u0644\u0629.<br\/>\u0625\u0630\u0627 \u0631\u0623\u064a\u062a<br\/>\u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u0625\u062f\u0631\u0627\u062c \u0627\u0644\u0632\u0627\u0626\u062f<br\/>\u0645\u0642\u0627\u0648\u0645\u0629 \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631\u0629<br\/>\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a\u0629 \u0627\u0644\u0636\u064a\u0642\u0629<br\/>\u0641\u0642\u062f \u064a\u0643\u0648\u0646 \u0627\u0644\u0648\u0642\u062a \u0642\u062f \u062d\u0627\u0646 \u0644\u0644\u0627\u0646\u062a\u0642\u0627\u0644 \u0625\u0644\u0649 \u0645\u0627\u062f\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062e\u0633\u0627\u0631\u0629.<br\/>\u0627\u0646\u0638\u0631 <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/low-loss-pcb-materials-rf-microwave-circuits\/\">\u0645\u0648\u0627\u062f \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062e\u0633\u0627\u0631\u0629 \u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a\u0629 \u0648\u0627\u0644\u0645\u0648\u062c\u0627\u062a \u0627\u0644\u062f\u0642\u064a\u0642\u0629<\/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 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" 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\">\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0639\u0645\u0644\u064a\u0629 \u0645\u0646 \u062a\u0635\u0627\u0645\u064a\u0645 \u062d\u0642\u064a\u0642\u064a\u0629<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u0639\u0636 \u0627\u0644\u0623\u0634\u064a\u0627\u0621 \u0627\u0644\u062a\u064a \u062a\u0645\u064a\u0644 \u0625\u0644\u0649 \u0645\u0641\u0627\u062c\u0623\u0629 \u0627\u0644\u0646\u0627\u0633<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u0644\u0627 \u064a\u062a\u0637\u0627\u0628\u0642 Er \u0641\u064a \u0623\u062f\u0648\u0627\u062a \u0627\u0644\u0645\u062d\u0627\u0643\u0627\u0629 \u0645\u0639 \u0627\u0644\u0644\u0648\u062d\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0651\u0639\u0629<\/li>\n\n\n\n<li>\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0639\u0637\u064a \u0627\u0644\u0645\u0648\u0631\u062f\u0648\u0646 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0648\u0646 \u0646\u062a\u0627\u0626\u062c \u0645\u062e\u062a\u0644\u0641\u0629 \u0628\u0634\u0643\u0644 \u0645\u0644\u062d\u0648\u0638<\/li>\n\n\n\n<li>\u0644\u0627 \u062a\u062a\u0635\u0631\u0641 \u0645\u0648\u0627\u062f \u0645\u0627 \u0642\u0628\u0644 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0628\u0634\u0643\u0644 \u0645\u062a\u0645\u0627\u062b\u0644<\/li>\n\n\n\n<li>\u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0624\u062b\u0631 \u062e\u0634\u0648\u0646\u0629 \u0627\u0644\u0646\u062d\u0627\u0633 \u0639\u0644\u0649 \u0627\u0644\u0633\u0644\u0648\u0643 \u0627\u0644\u0639\u0627\u0632\u0644 \u0627\u0644\u0641\u0639\u0627\u0644<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0630\u0627 \u062a\u0639\u0627\u0645\u0644 \u0645\u0639 Er \u0639\u0644\u0649 \u0623\u0646\u0647 <strong>\u0627\u0644\u0646\u0637\u0627\u0642<\/strong>, \u0648\u0644\u064a\u0633 \u062b\u0627\u0628\u062a\u064b\u0627.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u0627\u0644\u062e\u0627\u062a\u0645\u0629<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u062b\u0627\u0628\u062a \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0644 FR4 \u0644\u064a\u0633 \u062b\u0627\u0628\u062a\u064b\u0627 - \u0641\u0647\u0648 \u064a\u062e\u062a\u0644\u0641 \u0628\u0627\u062e\u062a\u0644\u0627\u0641 \u0627\u0644\u062a\u0631\u062f\u062f \u0648\u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u0645\u0627\u062f\u0629 \u0648\u062d\u062a\u0649 \u0638\u0631\u0648\u0641 \u0627\u0644\u062a\u062e\u0637\u064a\u0637.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u0633\u0631\u0639\u0629\u060c \u0644\u0627 \u064a\u0647\u0645 \u0647\u0630\u0627 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641 \u0639\u0627\u062f\u0629\u064b.<br>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062f\u0648\u0627\u0626\u0631 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0623\u0648 \u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a\u0629 \u062a\u0624\u062b\u0631 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0648\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0645\u0641\u062a\u0627\u062d \u0644\u064a\u0633 \u0627\u0644\u0633\u0639\u064a \u0648\u0631\u0627\u0621 \u0642\u064a\u0645\u0629 Er \u0645\u062b\u0627\u0644\u064a\u0629\u060c \u0648\u0644\u0643\u0646 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0628\u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0648\u0627\u0642\u0639\u064a\u0629 \u0648\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0635\u062d\u0629 \u0630\u0644\u0643 \u0645\u0639 \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/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\">\u0647\u0644 FR4 \u0639\u0627\u0632\u0644 \u0643\u0647\u0631\u0628\u0627\u0626\u064a \u062b\u0627\u0628\u062a\u061f<\/strong> <p class=\"schema-faq-answer\">\u0644\u0627\u060c \u064a\u062e\u062a\u0644\u0641 \u0627\u0644\u0623\u0645\u0631 \u0628\u0627\u062e\u062a\u0644\u0627\u0641 \u0627\u0644\u062a\u0631\u062f\u062f \u0648\u062a\u0631\u0643\u064a\u0628\u0629 \u0627\u0644\u0645\u0627\u062f\u0629 \u0648\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1774453858375\"><strong class=\"schema-faq-question\">\u0645\u0627 \u0647\u064a \u0642\u064a\u0645\u0629 Er \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629 \u0644\u0640 FR4\u061f<\/strong> <p class=\"schema-faq-answer\">\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u062a\u0645 \u062a\u062d\u062f\u064a\u062f\u0647 \u0639\u0627\u062f\u0629\u064b \u0628\u062d\u0648\u0627\u0644\u064a 4.2-4.6\u060c \u0648\u0644\u0643\u0646 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0641\u0639\u0644\u064a\u0629 \u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u062a\u0631\u062f\u062f \u0648\u0646\u0648\u0639 \u0627\u0644\u0635\u0641\u0627\u0626\u062d.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1774453901118\"><strong class=\"schema-faq-question\">\u0644\u0645\u0627\u0630\u0627 \u064a\u0646\u062e\u0641\u0636 Er \u0639\u0646\u062f \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0623\u0639\u0644\u0649\u061f<\/strong> <p class=\"schema-faq-answer\">\u0644\u0623\u0646 \u0622\u0644\u064a\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0642\u0637\u0627\u0628 \u0641\u064a \u0627\u0644\u0645\u0627\u062f\u0629 \u062a\u0635\u0628\u062d \u0623\u0642\u0644 \u0641\u0639\u0627\u0644\u064a\u0629 \u0645\u0639 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u0631\u062f\u062f.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1774453912383\"><strong class=\"schema-faq-question\">\u0647\u0644 \u064a\u0624\u062b\u0631 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 Er \u0639\u0644\u0649 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629\u061f<\/strong> <p class=\"schema-faq-answer\">\u0646\u0639\u0645. \u062d\u062a\u0649 \u0627\u0644\u062a\u063a\u064a\u064a\u0631\u0627\u062a \u0627\u0644\u0637\u0641\u064a\u0641\u0629 \u0641\u064a Er \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0645\u062a\u062d\u0643\u0645 \u0641\u064a\u0647\u0627 \u0648\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1774453990064\"><strong class=\"schema-faq-question\">\u0645\u062a\u0649 \u064a\u062c\u0628 \u0623\u0646 \u0623\u062a\u0648\u0642\u0641 \u0639\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 FR4\u061f<\/strong> <p class=\"schema-faq-answer\">\u0646\u0639\u0645. \u062d\u062a\u0649 \u0627\u0644\u062a\u063a\u064a\u064a\u0631\u0627\u062a \u0627\u0644\u0637\u0641\u064a\u0641\u0629 \u0641\u064a Er \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0645\u062a\u062d\u0643\u0645 \u0641\u064a\u0647\u0627 \u0648\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>\u062b\u0627\u0628\u062a \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a (Er) \u0644 FR4 \u0644\u064a\u0633 \u0642\u064a\u0645\u0629 \u062b\u0627\u0628\u062a\u0629. \u0641\u0647\u0648 \u064a\u062e\u062a\u0644\u0641 \u0628\u0627\u062e\u062a\u0644\u0627\u0641 \u0627\u0644\u062a\u0631\u062f\u062f \u0648\u062a\u0631\u0643\u064a\u0628\u0629 \u0627\u0644\u0631\u0627\u062a\u0646\u062c \u0648\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639. \u064a\u0624\u062b\u0631 \u0647\u0630\u0627 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0639\u0644\u0649 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0648\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629\u060c \u062e\u0627\u0635\u0629\u064b \u0641\u064a \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0648\u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a\u0629. \u062a\u0634\u0631\u062d \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0643\u064a\u0641 \u064a\u062a\u063a\u064a\u0631 \u062b\u0627\u0628\u062a \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0645\u0639 \u0627\u0644\u062a\u0631\u062f\u062f \u0648\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0645\u0631\u0627\u0639\u0627\u062a\u0647 \u0639\u0646\u062f \u062a\u0635\u0645\u064a\u0645 \u0645\u0631\u0643\u0628\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0639\u0644\u0649 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 integrity in PCB design.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.han-sphere.com\/ar\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FR4 Dielectric Constant (Er) vs Frequency Explained - HanSphere\" \/>\n<meta property=\"og:description\" content=\"Understand how the dielectric constant (Er) of FR4 changes with frequency and how it affects impedance and signal integrity in PCB design.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.han-sphere.com\/ar\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/\" \/>\n<meta property=\"og:site_name\" content=\"hansphere\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-29T00:33:00+00:00\" \/>\n<meta property=\"og:image\" 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Even small changes in Er can affect controlled impedance and signal integrity.\",\"inLanguage\":\"ar\"},\"inLanguage\":\"ar\"},{\"@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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\u064a\u0624\u062b\u0631 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 Er \u0639\u0644\u0649 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629\u061f","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Even small changes in Er can affect controlled impedance and signal integrity.","inLanguage":"ar"},"inLanguage":"ar"},{"@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":"\u0645\u062a\u0649 \u064a\u062c\u0628 \u0623\u0646 \u0623\u062a\u0648\u0642\u0641 \u0639\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 FR4\u061f","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Even small changes in Er can affect controlled impedance and signal integrity.","inLanguage":"ar"},"inLanguage":"ar"},{"@type":"HowTo","@id":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/#howto-1","name":"\u0634\u0631\u062d \u0627\u0644\u062b\u0627\u0628\u062a \u0627\u0644\u0639\u0627\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a (Er) \u0644 FR4 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u062a\u0631\u062f\u062f","mainEntityOfPage":{"@id":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-dielectric-constant-er-vs-frequency\/"},"description":"\u0644\u0627 \u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0628\u064a\u0627\u0646\u0627\u062a \u0645\u062b\u0627\u0644\u064a\u0629 - \u0628\u0644 \u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0648\u0627\u0642\u0639\u064a\u0629.","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":"ar"}]}},"_links":{"self":[{"href":"https:\/\/www.han-sphere.com\/ar\/wp-json\/wp\/v2\/posts\/553","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.han-sphere.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.han-sphere.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/ar\/wp-json\/wp\/v2\/comments?post=553"}],"version-history":[{"count":1,"href":"https:\/\/www.han-sphere.com\/ar\/wp-json\/wp\/v2\/posts\/553\/revisions"}],"predecessor-version":[{"id":554,"href":"https:\/\/www.han-sphere.com\/ar\/wp-json\/wp\/v2\/posts\/553\/revisions\/554"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/ar\/wp-json\/wp\/v2\/media\/511"}],"wp:attachment":[{"href":"https:\/\/www.han-sphere.com\/ar\/wp-json\/wp\/v2\/media?parent=553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.han-sphere.com\/ar\/wp-json\/wp\/v2\/categories?post=553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.han-sphere.com\/ar\/wp-json\/wp\/v2\/tags?post=553"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}