{"id":516,"date":"2026-03-17T08:00:00","date_gmt":"2026-03-17T00:00:00","guid":{"rendered":"https:\/\/www.han-sphere.com\/?p=516"},"modified":"2026-03-16T00:13:43","modified_gmt":"2026-03-15T16:13:43","slug":"fr4-pcb-vs-high-tg-fr4","status":"publish","type":"post","link":"https:\/\/www.han-sphere.com\/de\/blog\/news\/fr4-pcb-vs-high-tg-fr4\/","title":{"rendered":"FR4 PCB vs. High-Tg FR4: Was ist der Unterschied?"},"content":{"rendered":"<p>FR4-Laminate werden h\u00e4ufig als Tr\u00e4germaterial f\u00fcr gedruckte Schaltungen verwendet. Sie bieten eine Kombination aus mechanischer Festigkeit, elektrischer Isolierung und Kosteneffizienz, die sie f\u00fcr viele elektronische Produkte geeignet macht.<\/p>\n\n\n\n<p>Wenn Schaltungen jedoch bei h\u00f6heren Temperaturen arbeiten oder eine h\u00f6here thermische Zuverl\u00e4ssigkeit erfordern, bieten Standard-FR4-Materialien nicht immer eine ausreichende Leistung. In solchen F\u00e4llen w\u00e4hlen die Entwickler oft <strong>hoch-Tg FR4<\/strong> Laminate.<\/p>\n\n\n\n<p>Um diesen Unterschied zu verstehen, ist es wichtig, sich das Konzept der Glas\u00fcbergangstemperatur anzusehen.<\/p>\n\n\n\n<p>Einen \u00dcberblick \u00fcber FR4-Materialien finden Sie unter <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-material-guide-properties-applications\/\">FR4 PCB Material Leitfaden: Eigenschaften, Vorteile und Anwendungen<\/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=\"469\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-12.jpg\" alt=\"FR4 PCB\" class=\"wp-image-517\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-12.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-12-300x235.jpg 300w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-12-15x12.jpg 15w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Was ist Tg in PCB-Materialien?<\/h2>\n\n\n\n<p>Tg steht f\u00fcr <strong>Glas\u00fcbergangstemperatur<\/strong>. Sie stellt die Temperatur dar, bei der das Harzmaterial im Laminat von einer starren, glasartigen Struktur in einen weicheren und flexibleren Zustand \u00fcbergeht.<\/p>\n\n\n\n<p>Wenn sich die Temperatur dem Tg-Wert n\u00e4hert oder diesen \u00fcberschreitet, kann das Material beginnen, sich schneller auszudehnen und seine mechanische Stabilit\u00e4t zu verlieren.<\/p>\n\n\n\n<p>Aufgrund dieses Verhaltens ist Tg ein wichtiger Parameter bei der Bewertung der Zuverl\u00e4ssigkeit von Leiterplatten in Hochtemperaturumgebungen.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Standard FR4 Materialien<\/h2>\n\n\n\n<p>Standard-FR4-Laminate haben in der Regel Tg-Werte um <strong>130\u00b0C bis 140\u00b0C<\/strong>.<\/p>\n\n\n\n<p>Diese Materialien werden h\u00e4ufig in der Unterhaltungselektronik und in vielen Industrieprodukten verwendet, da sie unter normalen Betriebsbedingungen eine zuverl\u00e4ssige Leistung bieten.<\/p>\n\n\n\n<p>Typische Anwendungen sind:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Unterhaltungselektronik<\/li>\n\n\n\n<li>Steuerungssysteme<\/li>\n\n\n\n<li>Stromversorgungen<\/li>\n\n\n\n<li>Kommunikationsmittel<\/li>\n<\/ul>\n\n\n\n<p>F\u00fcr viele Konstruktionen mit moderaten Temperaturanforderungen sind Standard-FR4-Materialien ausreichend.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Hoch-Tg FR4 Materialien<\/h2>\n\n\n\n<p>FR4-Laminate mit hohem Tg-Wert werden mit modifizierten Harzsystemen hergestellt, die die Glas\u00fcbergangstemperatur erh\u00f6hen.<\/p>\n\n\n\n<p>Zu den \u00fcblichen hohen Tg-Werten geh\u00f6ren:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>170\u00b0C<\/li>\n\n\n\n<li>180\u00b0C<\/li>\n\n\n\n<li>200\u00b0C<\/li>\n<\/ul>\n\n\n\n<p>Materialien mit h\u00f6herer Tg bleiben bei h\u00f6heren Temperaturen mechanisch stabil und eignen sich besser f\u00fcr Schaltungen, die wiederholten thermischen Zyklen ausgesetzt sind.<\/p>\n\n\n\n<p>Diese Laminate werden h\u00e4ufig verwendet in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Automobilelektronik<\/li>\n\n\n\n<li>Leistungselektronik<\/li>\n\n\n\n<li>industrielle Steuerungssysteme<\/li>\n\n\n\n<li>hochzuverl\u00e4ssige Ger\u00e4te<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"493\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-13.jpg\" alt=\"FR4 PCB\" class=\"wp-image-518\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-13.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-13-300x247.jpg 300w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-13-15x12.jpg 15w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Hauptunterschiede zwischen FR4 und High-Tg FR4<\/h2>\n\n\n\n<p>Der wichtigste Unterschied zwischen diesen Materialien ist ihre thermische Stabilit\u00e4t.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Eigentum<\/th><th>Standard FR4<\/th><th>Hoch-Tg FR4<\/th><\/tr><\/thead><tbody><tr><td>Glas\u00fcbergangstemperatur<\/td><td>~130-140\u00b0C<\/td><td>~170-200\u00b0C<\/td><\/tr><tr><td>Thermische Stabilit\u00e4t<\/td><td>m\u00e4\u00dfig<\/td><td>h\u00f6her<\/td><\/tr><tr><td>Widerstandsf\u00e4higkeit gegen thermische Zyklen<\/td><td>Standard<\/td><td>verbessert<\/td><\/tr><tr><td>Herstellungskosten<\/td><td>unter<\/td><td>etwas h\u00f6her<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Materialien mit h\u00f6herer Tg bieten im Allgemeinen eine bessere Dimensionsstabilit\u00e4t bei L\u00f6t- und Reflowprozessen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wie w\u00e4hlt man zwischen FR4 und High-Tg FR4?<\/h2>\n\n\n\n<div class=\"schema-how-to wp-block-yoast-how-to-block\"><p class=\"schema-how-to-description\">Die Wahl zwischen Standard-FR4- und Hoch-Tg-FR4-Materialien h\u00e4ngt in der Regel von der erwarteten Betriebstemperatur und den Zuverl\u00e4ssigkeitsanforderungen an die Leiterplatte ab.<br>Ingenieure bewerten in der Regel mehrere Konstruktionsfaktoren, bevor sie eine Materialauswahl treffen.<\/p> <ol class=\"schema-how-to-steps\"><li class=\"schema-how-to-step\" id=\"how-to-step-1773591007446\"><strong class=\"schema-how-to-step-name\">1. \u00dcberpr\u00fcfen Sie die maximale Betriebstemperatur<\/strong> <p class=\"schema-how-to-step-text\">Der erste Schritt besteht darin, die maximale Temperatur abzusch\u00e4tzen, die die Leiterplatte w\u00e4hrend des Betriebs erreichen kann.<br\/>Wenn die Leiterplattentemperatur deutlich unter dem Tg-Wert von Standard-FR4 liegt, funktioniert das Material in der Regel zuverl\u00e4ssig. Allerdings k\u00f6nnen Schaltungen, die h\u00f6heren Temperaturen ausgesetzt sind, von Laminaten mit hohem Tg-Wert profitieren.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773591060442\"><strong class=\"schema-how-to-step-name\">2. Ber\u00fccksichtigen Sie den Montageprozess<\/strong> <p class=\"schema-how-to-step-text\">Moderne Elektronik verwendet h\u00e4ufig <strong>bleifreies L\u00f6ten<\/strong>, was h\u00f6here Reflow-Temperaturen erfordert.<br\/>Bei wiederholten L\u00f6tvorg\u00e4ngen bieten Materialien mit hohem Tg eine bessere Dimensionsstabilit\u00e4t und verringern das Risiko einer Verformung des Laminats.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773591092355\"><strong class=\"schema-how-to-step-name\">3. Bewertung der thermischen Zyklusbedingungen<\/strong> <p class=\"schema-how-to-step-text\">Anwendungen wie Automobilelektronik und Industrieanlagen k\u00f6nnen wiederholten Heiz- und K\u00fchlzyklen ausgesetzt sein.<br\/>In diesen F\u00e4llen werden h\u00e4ufig FR4-Materialien mit hohem Tg-Wert bevorzugt, da sie eine bessere Best\u00e4ndigkeit gegen thermische Belastungen und eine h\u00f6here langfristige Zuverl\u00e4ssigkeit bieten.<br\/>\u00dcberlegungen zur thermischen Auslegung werden in folgenden Abschnitten erl\u00e4utert <strong>W\u00e4rmemanagement im PCB-Design<\/strong>.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773591124360\"><strong class=\"schema-how-to-step-name\">4. \u00dcberpr\u00fcfung der PCB-Lagenzahl<\/strong> <p class=\"schema-how-to-step-text\">Mehrlagige Leiterplatten mit vielen Lagen k\u00f6nnen w\u00e4hrend des Laminierens und des Reflow-Prozesses gr\u00f6\u00dferen inneren Spannungen ausgesetzt sein.<br\/>Laminate mit hohem Tg werden h\u00e4ufig verwendet:<br\/>8-Schicht-Platten<br\/>10-Schicht-Platten<br\/>hochverdichtete Bauweisen<br\/>\u00dcberlegungen zum Stackup-Design werden in <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-stackup-design-guide\/\">FR4 PCB Stackup Design Leitfaden<\/a><\/strong>.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773591167345\"><strong class=\"schema-how-to-step-name\">5. Kosten und Zuverl\u00e4ssigkeit vergleichen<\/strong> <p class=\"schema-how-to-step-text\">Hoch-Tg-FR4-Materialien sind etwas teurer als Standard-FR4-Laminate. Allerdings ist der Preisunterschied im Vergleich zu den Gesamtkosten der Leiterplattenbaugruppe oft gering.<br\/>Bei Konstruktionen, bei denen es auf Zuverl\u00e4ssigkeit ankommt, kann die Auswahl von Materialien mit hohem Tg-Wert dazu beitragen, langfristige Ausfallrisiken zu verringern.<br\/>Kosten\u00fcberlegungen werden erl\u00e4utert in <strong>PCB-Herstellungskosten-Faktoren<\/strong>.<\/p> <\/li><\/ol><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Wann wird High-Tg FR4 verwendet?<\/h2>\n\n\n\n<p>FR4 mit hohem Tg-Wert wird in der Regel dort empfohlen, wo Leiterplatten hohen Temperaturen oder wiederholten thermischen Belastungen ausgesetzt sind.<\/p>\n\n\n\n<p>Beispiele hierf\u00fcr sind:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>bleifreie L\u00f6tverfahren<\/li>\n\n\n\n<li>Hochleistungselektronik<\/li>\n\n\n\n<li>Multilayer-Platten mit dichtem Routing<\/li>\n\n\n\n<li>automotive Umgebungen<\/li>\n<\/ul>\n\n\n\n<p>In diesen F\u00e4llen tragen Materialien mit h\u00f6herer Tg dazu bei, die Stabilit\u00e4t der Platte zu erhalten und das Risiko einer Delamination zu verringern.<\/p>\n\n\n\n<p>Thermische \u00dcberlegungen zum Leiterplattendesign werden weiter er\u00f6rtert in <strong>W\u00e4rmemanagement im PCB-Design<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u00dcberlegungen zur Stapelung von Materialien mit hohem Tg-Wert<\/h2>\n\n\n\n<p>FR4-Materialien mit hoher Tg k\u00f6nnen in der Regel mit denselben Multilayer-Stapelstrukturen verwendet werden wie Standard-FR4-Laminate.<\/p>\n\n\n\n<p>Allerdings k\u00f6nnen Designer diese Materialien w\u00e4hlen, wenn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>der Vorstand hat viele Schichten<\/li>\n\n\n\n<li>die thermischen Zyklen w\u00e4hrend der Montage sind erheblich<\/li>\n\n\n\n<li>mechanische Zuverl\u00e4ssigkeit ist entscheidend<\/li>\n<\/ul>\n\n\n\n<p>Weitere \u00dcberlegungen zur Stapelplanung werden erl\u00e4utert in <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-stackup-design-guide\/\">FR4 PCB Stackup Design Leitfaden<\/a><\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Kosten\u00fcberlegungen<\/h2>\n\n\n\n<p>FR4-Materialien mit hohem Tg-Wert kosten in der Regel mehr als Standard-FR4-Laminate, da sie fortschrittlichere Harzsysteme verwenden.<\/p>\n\n\n\n<p>Allerdings ist der Preisunterschied im Vergleich zu den Gesamtkosten der Leiterplattenbest\u00fcckung oft relativ gering.<\/p>\n\n\n\n<p>Bei Konstruktionen, bei denen es auf Zuverl\u00e4ssigkeit ankommt, kann die Verwendung von Materialien mit hohem Tg-Wert dazu beitragen, langfristige Ausfallrisiken zu verringern.<\/p>\n\n\n\n<p>Erw\u00e4gungen zu den Herstellungskosten werden weiter er\u00f6rtert in <strong>PCB-Herstellungskosten-Faktoren<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"527\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-14.jpg\" alt=\"FR4 PCB\" class=\"wp-image-519\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-14.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-14-300x264.jpg 300w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-14-14x12.jpg 14w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">FR4 vs. Hoch-Tg FR4 vs. andere Materialien<\/h2>\n\n\n\n<p>Bei einigen Anwendungen kann selbst FR4 mit hohem Tg-Wert keine ausreichende thermische Leistung erbringen.<\/p>\n\n\n\n<p>Alternative Materialien k\u00f6nnen sein:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Leiterplatten mit Metallkern f\u00fcr LED-Systeme<\/li>\n\n\n\n<li>Keramiksubstrate f\u00fcr die Hochleistungselektronik<\/li>\n\n\n\n<li>spezielle RF-Laminate f\u00fcr Hochfrequenzschaltungen<\/li>\n<\/ul>\n\n\n\n<p>Ein Vergleich zwischen FR4 und Keramiksubstraten findet sich in <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/ceramic-pcb-vs-fr4-pcb-thermal-electrical-cost-comparison\/\">Keramik-Leiterplatte vs. FR4-Leiterplatte: Thermischer, elektrischer und Kostenvergleich<\/a><\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Schlussfolgerung<\/h2>\n\n\n\n<p>Standard-FR4-Laminate sind nach wie vor das am h\u00e4ufigsten verwendete Leiterplattensubstrat, da sie eine zuverl\u00e4ssige Leistung und niedrige Herstellungskosten bieten.<\/p>\n\n\n\n<p>FR4-Materialien mit hohem Tg-Wert bieten eine bessere thermische Stabilit\u00e4t und eignen sich besser f\u00fcr Konstruktionen, die h\u00f6heren Betriebstemperaturen oder wiederholten thermischen Zyklen ausgesetzt sind.<\/p>\n\n\n\n<p>Die Wahl zwischen diesen Materialien h\u00e4ngt von der thermischen Umgebung, den Zuverl\u00e4ssigkeitsanforderungen und den Herstellungserw\u00e4gungen f\u00fcr das Endprodukt ab.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1773590741153\"><strong class=\"schema-faq-question\">F: Was bedeutet Tg bei PCB-Materialien?<\/strong> <p class=\"schema-faq-answer\">A: Tg steht f\u00fcr Glas\u00fcbergangstemperatur. Sie gibt die Temperatur an, bei der das Harz im Leiterplattenlaminat zu erweichen beginnt und seine mechanischen Eigenschaften ver\u00e4ndert.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773590752533\"><strong class=\"schema-faq-question\">F: Warum wird FR4 mit hohem Tg-Wert in Leiterplatten verwendet?<\/strong> <p class=\"schema-faq-answer\">A: FR4-Materialien mit hohem Tg-Wert bieten eine verbesserte thermische Stabilit\u00e4t und eignen sich daher f\u00fcr Anwendungen mit h\u00f6heren Betriebstemperaturen oder mehreren L\u00f6tzyklen.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773590763629\"><strong class=\"schema-faq-question\">F: Ist FR4 mit hohem Tg immer besser als Standard-FR4?<\/strong> <p class=\"schema-faq-answer\">A: Nicht unbedingt. Standard FR4 ist f\u00fcr viele Anwendungen ausreichend. Hoch-Tg-Materialien werden normalerweise verwendet, wenn zus\u00e4tzliche thermische Zuverl\u00e4ssigkeit erforderlich ist.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773590775653\"><strong class=\"schema-faq-question\">F: Wirkt sich FR4 mit hohem Tg auf die Leiterplattenkosten aus?<\/strong> <p class=\"schema-faq-answer\">A: Ja, Hoch-Tg-Laminate kosten in der Regel etwas mehr als Standard-FR4-Materialien, aber der Preisunterschied ist oft nur gering.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773590787677\"><strong class=\"schema-faq-question\">F: Kann FR4 mit hohem Tg in mehrlagigen Leiterplatten verwendet werden?<\/strong> <p class=\"schema-faq-answer\">A: Ja. FR4-Materialien mit hohem Tg-Wert werden h\u00e4ufig in mehrlagigen Leiterplatten verwendet, insbesondere wenn die thermische Stabilit\u00e4t w\u00e4hrend der Herstellung wichtig ist.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>FR4 ist das am weitesten verbreitete Leiterplattensubstrat, aber bei Anwendungen mit h\u00f6heren Betriebstemperaturen entscheiden sich die Designer oft f\u00fcr FR4-Laminate mit hohem Tg-Wert. Materialien mit hohem Tg-Wert bieten eine bessere thermische Stabilit\u00e4t und eine h\u00f6here Zuverl\u00e4ssigkeit beim L\u00f6ten und im Langzeitbetrieb. Dieser Artikel erl\u00e4utert die Unterschiede zwischen Standard-FR4 und FR4 mit hohem Tg-Wert, einschlie\u00dflich der Materialeigenschaften, der thermischen Leistung und der typischen Anwendungsf\u00e4lle.<\/p>","protected":false},"author":1,"featured_media":520,"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":[38],"class_list":["post-516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-fr4-pcb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>FR4 PCB vs High-Tg FR4: What\u2019s the Difference? - HanSphere<\/title>\n<meta name=\"description\" content=\"Compare standard FR4 and high-Tg FR4 PCB materials, including glass transition temperature, thermal stability, and typical applications.\" \/>\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\/de\/blog\/news\/fr4-pcb-vs-high-tg-fr4\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FR4 PCB vs High-Tg FR4: What\u2019s the Difference? - HanSphere\" \/>\n<meta property=\"og:description\" content=\"Compare standard FR4 and high-Tg FR4 PCB materials, including glass transition temperature, thermal stability, and typical applications.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.han-sphere.com\/de\/blog\/news\/fr4-pcb-vs-high-tg-fr4\/\" \/>\n<meta property=\"og:site_name\" content=\"hansphere\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-17T00:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-15.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"499\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"hansphere01\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"hansphere01\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"6\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-vs-high-tg-fr4\/\",\"url\":\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-vs-high-tg-fr4\/\",\"name\":\"FR4 PCB vs High-Tg FR4: What\u2019s the Difference? 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Evaluate Thermal Cycling Conditions","itemListElement":[{"@type":"HowToDirection","text":"Applications such as automotive electronics and industrial equipment may experience repeated heating and cooling cycles.<br\/>In these cases, high-Tg FR4 materials are often preferred because they provide better resistance to thermal stress and long-term reliability.<br\/>Thermal design considerations are explained further in <strong>Thermal Management in PCB Design<\/strong>."}]},{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-vs-high-tg-fr4\/#how-to-step-1773591124360","name":"4. Review PCB Layer Count","itemListElement":[{"@type":"HowToDirection","text":"Multilayer PCBs with many layers may experience greater internal stress during lamination and reflow.<br\/>High-Tg laminates are often used in:<br\/>8-layer boards<br\/>10-layer boards<br\/>high-density designs<br\/>Stackup design considerations are discussed 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-pcb-vs-high-tg-fr4\/#how-to-step-1773591167345","name":"5. Compare Cost and Reliability","itemListElement":[{"@type":"HowToDirection","text":"High-Tg FR4 materials are slightly more expensive than standard FR4 laminates. However, the price difference is often small compared with the total cost of the PCB assembly.<br\/>For designs where reliability is critical, selecting high-Tg materials can help reduce long-term failure risks.<br\/>Cost considerations are explained in <strong>PCB Manufacturing Cost Factors<\/strong>."}]}],"inLanguage":"de"}]}},"_links":{"self":[{"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/posts\/516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/comments?post=516"}],"version-history":[{"count":1,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/posts\/516\/revisions"}],"predecessor-version":[{"id":521,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/posts\/516\/revisions\/521"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/media\/520"}],"wp:attachment":[{"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/media?parent=516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/categories?post=516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/tags?post=516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}