{"id":5893,"date":"2026-07-05T08:36:00","date_gmt":"2026-07-05T00:36:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=5893"},"modified":"2026-06-24T16:50:40","modified_gmt":"2026-06-24T08:50:40","slug":"high-tg-fr4-pcb","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/","title":{"rendered":"Y\u00fcksek TG FR4 PCB Malzemesi K\u0131lavuzu"},"content":{"rendered":"<p>Y\u00fcksek TG\u2019li FR4, cam ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131 y\u00fcksek olan bir epoksi cam elyaf laminat s\u0131n\u0131f\u0131n\u0131 ifade eder. Uygulamada <a href=\"https:\/\/www.topfastpcb.com\/tr\/pcb-manufacturing\/\">PCB \u00fcretimi<\/a>, TG, bir devre kart\u0131n\u0131n \u0131s\u0131 y\u00fck\u00fc alt\u0131nda, \u00f6zellikle kur\u015funsuz lehimleme ve uzun s\u00fcreli y\u00fcksek s\u0131cakl\u0131kta \u00e7al\u0131\u015fma s\u0131ras\u0131nda nas\u0131l davranaca\u011f\u0131n\u0131 belirleyen temel parametrelerden biridir.<\/p><p>Standart FR4 ile kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, y\u00fcksek TG\u2019li malzemeler daha iyi yap\u0131sal kararl\u0131l\u0131k sunar ve termal g\u00fcvenilirli\u011fin kritik \u00f6neme sahip oldu\u011fu uygulamalarda yayg\u0131n olarak kullan\u0131l\u0131r.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/High-TG-FR4-PCB-Material.jpg\" alt=\"Y\u00fcksek TG\u2019li FR4 PCB Malzemesi\" class=\"wp-image-5894\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/High-TG-FR4-PCB-Material.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/High-TG-FR4-PCB-Material-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/High-TG-FR4-PCB-Material-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7indekiler<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#What_TG_Means_in_PCB_Materials\" >PCB Malzemelerinde TG Ne Anlama Gelir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Standard_TG_vs_High_TG_FR4\" >Standart TG ile Y\u00fcksek TG FR4 Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Standard_TG_FR4\" >Standart TG FR4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Mid_TG_FR4\" >Orta TG FR4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#High_TG_FR4\" >Y\u00fcksek TG FR4<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Why_High_TG_FR4_Matters_in_PCB_Manufacturing\" >PCB \u00dcretiminde Y\u00fcksek TG\u2019li FR4\u2019\u00fcn \u00d6nemi Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Electrical_and_Mechanical_Properties\" >Elektriksel ve Mekanik \u00d6zellikler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Where_High_TG_FR4_Is_Used\" >Y\u00fcksek TG\u2019li FR4\u2019\u00fcn Kullan\u0131ld\u0131\u011f\u0131 Alanlar<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Automotive_Electronics\" >Otomotiv Elektroni\u011fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Power_Electronics\" >G\u00fc\u00e7 Elektroni\u011fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Communication_Systems\" >\u0130leti\u015fim Sistemleri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Server_and_Data_Systems\" >Sunucu ve Veri Sistemleri<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Manufacturing_Considerations\" >\u00dcretimle \u0130lgili Hususlar<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Drilling_and_Via_Reliability\" >Delik A\u00e7ma ve Via G\u00fcvenilirli\u011fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Lamination_Process\" >Laminasyon S\u00fcreci<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Reflow_Resistance\" >Yeniden Ak\u0131\u015f Direnci<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#High_TG_FR4_vs_Standard_FR4\" >Y\u00fcksek TG\u2019li FR4 ile Standart FR4 Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Limitations_of_High_TG_FR4\" >Y\u00fcksek TG FR4\u2019\u00fcn S\u0131n\u0131rlamalar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Material_Selection_Strategy\" >Malzeme Se\u00e7im Stratejisi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#Common_High_TG_FR4_Suppliers\" >Yayg\u0131n Y\u00fcksek TG FR4 Tedarik\u00e7ileri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/#FAQ\" >S\u0131k\u00e7a Sorulan Sorular<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_TG_Means_in_PCB_Materials\"><\/span>PCB Malzemelerinde TG Ne Anlama Gelir?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>TG (cam ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131), epoksi re\u00e7inesinin sert, cams\u0131 bir halden daha yumu\u015fak, kau\u00e7uk benzeri bir hale ge\u00e7meye ba\u015flad\u0131\u011f\u0131 noktad\u0131r.<\/p><p>TG de\u011ferinin alt\u0131nda, malzeme kararl\u0131 ve mekanik olarak sa\u011flam kal\u0131r. TG de\u011ferinin \u00fczerinde ise malzeme daha h\u0131zl\u0131 genle\u015fmeye ba\u015flar ve sertli\u011fini kaybeder.<\/p><p>PCB tasar\u0131m\u0131 a\u00e7\u0131s\u0131ndan bu durum a\u015fa\u011f\u0131dakileri do\u011frudan etkiler:<\/p><ul class=\"wp-block-list\"><li>Boyutsal kararl\u0131l\u0131k<\/li>\n\n<li>G\u00fcvenilirlik yoluyla<\/li>\n\n<li>Katman hizalama<\/li>\n\n<li>Uzun vadeli mekanik mukavemet<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_TG_vs_High_TG_FR4\"><\/span>Standart TG ile Y\u00fcksek TG FR4 Kar\u015f\u0131la\u015ft\u0131rmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2><p>FR4 malzemeleri genellikle \u00fc\u00e7 kategoriye ayr\u0131l\u0131r:<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_TG_FR4\"><\/span>Standart TG FR4<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>TG yakla\u015f\u0131k 130\u00b0C\u2013140\u00b0C<\/li>\n\n<li>Genel elektronik uygulamalar\u0131 i\u00e7in uygundur<\/li>\n\n<li>Ucuz t\u00fcketim mallar\u0131nda yayg\u0131n olarak g\u00f6r\u00fcl\u00fcr<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mid_TG_FR4\"><\/span>Orta TG FR4<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>TG yakla\u015f\u0131k 150\u00b0C\u2013160\u00b0C<\/li>\n\n<li>Dengeli performans ve maliyet<\/li>\n\n<li>End\u00fcstriyel elektronikte kullan\u0131l\u0131r<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"High_TG_FR4\"><\/span>Y\u00fcksek TG FR4<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>TG \u2265 170 \u00b0C<\/li>\n\n<li>Y\u00fcksek termal stresli ortamlar i\u00e7in tasarlanm\u0131\u015ft\u0131r<\/li>\n\n<li>Y\u00fcksek g\u00fcvenilirlik gerektiren uygulamalarda yayg\u0131n olarak kullan\u0131l\u0131r<\/li><\/ul><p>Y\u00fcksek TG de\u011ferine sahip malzemeler, \u00e7ok say\u0131da yeniden ak\u0131\u015f d\u00f6ng\u00fcs\u00fc s\u0131ras\u0131nda yap\u0131sal b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc korur; bu da onlar\u0131 modern SMT s\u00fcre\u00e7leri i\u00e7in uygun hale getirir.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_High_TG_FR4_Matters_in_PCB_Manufacturing\"><\/span>PCB \u00dcretiminde Y\u00fcksek TG\u2019li FR4\u2019\u00fcn \u00d6nemi Nedir?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>PCB montajlar\u0131 giderek daha karma\u015f\u0131k hale geldik\u00e7e, \u00fcretim ve \u00e7al\u0131\u015fma s\u0131ras\u0131nda ortaya \u00e7\u0131kan termal gerilim \u00f6nemli \u00f6l\u00e7\u00fcde artm\u0131\u015ft\u0131r.<\/p><p>Y\u00fcksek TG de\u011ferine sahip malzemeler a\u015fa\u011f\u0131dakilerin azalt\u0131lmas\u0131na yard\u0131mc\u0131 olur:<\/p><ul class=\"wp-block-list\"><li>Lehimleme s\u0131ras\u0131nda re\u00e7inenin ayr\u0131\u015fmas\u0131<\/li>\n\n<li>Ayr\u0131lma riskleri<\/li>\n\n<li>\u00c7atlama yoluyla<\/li>\n\n<li>\u00c7ok katmanl\u0131 yap\u0131larda e\u011frilme<\/li><\/ul><p>Ayr\u0131ca zorlu ortamlarda uzun vadeli g\u00fcvenilirli\u011fi art\u0131r\u0131rlar.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Electrical_and_Mechanical_Properties\"><\/span>Elektriksel ve Mekanik \u00d6zellikler<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Y\u00fcksek TG\u2019li FR4, genel olarak standart FR4 ile benzer elektriksel \u00f6zelliklere sahiptir, ancak \u0131s\u0131l davran\u0131\u015f a\u00e7\u0131s\u0131ndan daha iyi performansa sahiptir.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>M\u00fclkiyet<\/th><th>Tipik Aral\u0131k<\/th><\/tr><tr><td>TG<\/td><td>\u2265170 \u00b0C<\/td><\/tr><tr><td>Dielektrik sabiti (Dk)<\/td><td>4,2\u20134,7<\/td><\/tr><tr><td>Da\u011f\u0131lma fakt\u00f6r\u00fc (Df)<\/td><td>0,015\u20130,020<\/td><\/tr><tr><td>Termal genle\u015fme (Z ekseni)<\/td><td>Standart FR4\u2019ten daha d\u00fc\u015f\u00fck<\/td><\/tr><tr><td>Ayr\u0131\u015fma s\u0131cakl\u0131\u011f\u0131<\/td><td>~300 \u00b0C<\/td><\/tr><\/tbody><\/table><\/figure><p>En \u00f6nemli iyile\u015ftirme, g\u00fcvenilirli\u011fi do\u011frudan etkileyen Z ekseni genlemesinin azalt\u0131lmas\u0131d\u0131r.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/High-TG-FR4-PCB-Material-1.jpg\" alt=\"Y\u00fcksek TG\u2019li FR4 PCB Malzemesi\" class=\"wp-image-5895\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/High-TG-FR4-PCB-Material-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/High-TG-FR4-PCB-Material-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/High-TG-FR4-PCB-Material-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Where_High_TG_FR4_Is_Used\"><\/span>Y\u00fcksek TG\u2019li FR4\u2019\u00fcn Kullan\u0131ld\u0131\u011f\u0131 Alanlar<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Y\u00fcksek TG\u2019li FR4 her \u00fcr\u00fcn i\u00e7in gerekli de\u011fildir, ancak g\u00fcvenilirlik veya s\u0131cakl\u0131k artt\u0131\u011f\u0131nda vazge\u00e7ilmez hale gelir.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Automotive_Electronics\"><\/span>Otomotiv Elektroni\u011fi<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Modern ara\u00e7lar, kaputun alt\u0131ndaki y\u00fcksek s\u0131cakl\u0131klara maruz kalan elektronik kontrol sistemlerine b\u00fcy\u00fck \u00f6l\u00e7\u00fcde ba\u011f\u0131ml\u0131d\u0131r.<\/p><p>Uygulamalar \u015funlar\u0131 i\u00e7erir:<\/p><ul class=\"wp-block-list\"><li>Motor kontrol \u00fcniteleri (ECU)<\/li>\n\n<li>Hidrolik direksiyon sistemleri<\/li>\n\n<li>Batarya y\u00f6netim sistemleri (BMS)<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Power_Electronics\"><\/span>G\u00fc\u00e7 Elektroni\u011fi<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Y\u00fcksek TG de\u011ferine sahip malzemeler \u015fu alanlarda yayg\u0131n olarak kullan\u0131lmaktad\u0131r:<\/p><ul class=\"wp-block-list\"><li>Anahtarlamal\u0131 g\u00fc\u00e7 kaynaklar\u0131<\/li>\n\n<li>\u0130nvert\u00f6rler<\/li>\n\n<li>End\u00fcstriyel g\u00fc\u00e7 mod\u00fclleri<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Communication_Systems\"><\/span>\u0130leti\u015fim Sistemleri<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Kullan\u0131m alanlar\u0131:<\/p><ul class=\"wp-block-list\"><li>Baz istasyonu kartlar\u0131<\/li>\n\n<li>A\u011f altyap\u0131s\u0131 ekipmanlar\u0131<\/li>\n\n<li>Optik mod\u00fcller<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Server_and_Data_Systems\"><\/span>Sunucu ve Veri Sistemleri<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Y\u00fcksek TG\u2019li FR4 genellikle \u015fu alanlarda kullan\u0131l\u0131r:<\/p><ul class=\"wp-block-list\"><li>Sunucu anakartlar\u0131<\/li>\n\n<li>Depolama sistemleri<\/li>\n\n<li>Y\u00fcksek yo\u011funluklu bilgi i\u015flem kartlar\u0131<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_Considerations\"><\/span>\u00dcretimle \u0130lgili Hususlar<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Y\u00fcksek TG de\u011ferine sahip malzemelerin kullan\u0131lmas\u0131, PCB \u00fcretimini \u00e7e\u015fitli \u015fekillerde etkiler.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Drilling_and_Via_Reliability\"><\/span>Delik A\u00e7ma ve Via G\u00fcvenilirli\u011fi<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Z eksenindeki daha az genle\u015fme, termal d\u00f6ng\u00fc s\u0131ras\u0131nda namlu g\u00fcvenilirli\u011fini art\u0131r\u0131r.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Lamination_Process\"><\/span>Laminasyon S\u00fcreci<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Y\u00fcksek TG de\u011ferine sahip malzemeler genellikle \u015funlar\u0131 gerektirir:<\/p><ul class=\"wp-block-list\"><li>Daha y\u00fcksek laminasyon bas\u0131nc\u0131<\/li>\n\n<li>Kontroll\u00fc \u0131s\u0131tma profilleri<\/li>\n\n<li>S\u0131k\u0131 re\u00e7ine ak\u0131\u015f y\u00f6netimi<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Reflow_Resistance\"><\/span>Yeniden Ak\u0131\u015f Direnci<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Kartlar, tabakalar\u0131n ayr\u0131lmas\u0131 veya kabarma olu\u015fmadan \u00e7ok say\u0131da SMT yeniden ak\u0131\u015f d\u00f6ng\u00fcs\u00fcne dayanabilmelidir.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"High_TG_FR4_vs_Standard_FR4\"><\/span>Y\u00fcksek TG\u2019li FR4 ile Standart FR4 Kar\u015f\u0131la\u015ft\u0131rmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u00d6zellik<\/td><td>Standart FR4<\/td><td>Y\u00fcksek TG FR4<\/td><\/tr><tr><td>TG de\u011feri<\/td><td>130\u2013140 \u00b0C<\/td><td>\u2265170 \u00b0C<\/td><\/tr><tr><td>Termal kararl\u0131l\u0131k<\/td><td>Orta d\u00fczeyde<\/td><td>Y\u00fcksek<\/td><\/tr><tr><td>Maliyet<\/td><td>Daha d\u00fc\u015f\u00fck<\/td><td>Biraz daha y\u00fcksek<\/td><\/tr><tr><td>G\u00fcvenilirlik<\/td><td>Genel kullan\u0131m<\/td><td>Y\u00fcksek g\u00fcvenilirlik<\/td><\/tr><tr><td>SMT uygunlu\u011fu<\/td><td>Temel<\/td><td>Geli\u015fmi\u015f \u00e7oklu yeniden ak\u0131\u015f<\/td><\/tr><\/tbody><\/table><\/figure><p>G\u00fcvenilirlikteki art\u0131\u015fa k\u0131yasla maliyet fark\u0131 nispeten azd\u0131r.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Limitations_of_High_TG_FR4\"><\/span>Y\u00fcksek TG FR4\u2019\u00fcn S\u0131n\u0131rlamalar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Y\u00fcksek TG de\u011feri termal performans\u0131 art\u0131rsa da, bu sistem yine de epoksi re\u00e7ine sistemlerine dayanmaktad\u0131r.<\/p><p>S\u0131n\u0131rlamalar \u015funlard\u0131r:<\/p><ul class=\"wp-block-list\"><li>Y\u00fcksek frekanslarda daha y\u00fcksek dielektrik kayb\u0131<\/li>\n\n<li>Mikrodalga tasar\u0131mlar\u0131 i\u00e7in uygun de\u011fildir<\/li>\n\n<li>Birka\u00e7 GHz\u2019nin \u00fczerindeki s\u0131n\u0131rl\u0131 performans<\/li>\n\n<li>Is\u0131 iletkenli\u011fi h\u00e2l\u00e2 nispeten d\u00fc\u015f\u00fckt\u00fcr<\/li><\/ul><p>RF veya ultra y\u00fcksek h\u0131zl\u0131 uygulamalar i\u00e7in Rogers veya Megtron gibi d\u00fc\u015f\u00fck kay\u0131pl\u0131 malzemeler tercih edilir.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_Selection_Strategy\"><\/span>Malzeme Se\u00e7im Stratejisi<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Ger\u00e7ek PCB m\u00fchendisli\u011finde, y\u00fcksek TG\u2019li FR4 genellikle bir \u201corta yol\u201d \u00e7\u00f6z\u00fcm\u00fc olarak kabul edilir.<\/p><p>Tipik bir se\u00e7im mant\u0131\u011f\u0131 \u015f\u00f6yledir:<\/p><ul class=\"wp-block-list\"><li>Uygun fiyatl\u0131 elektronik \u00fcr\u00fcnler \u2192 Standart FR4<\/li>\n\n<li>End\u00fcstriyel \/ otomotiv \u2192 Y\u00fcksek TG FR4<\/li>\n\n<li>Y\u00fcksek h\u0131z \/ RF \u2192 Rogers veya PTFE<\/li>\n\n<li>Ultra y\u00fcksek h\u0131zl\u0131 arka paneller \u2192 Megtron veya Isola y\u00fcksek h\u0131zl\u0131 serisi<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/High-TG-FR4-PCB-Material-2.jpg\" alt=\"Y\u00fcksek TG\u2019li FR4 PCB Malzemesi\" class=\"wp-image-5896\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/High-TG-FR4-PCB-Material-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/High-TG-FR4-PCB-Material-2-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/High-TG-FR4-PCB-Material-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_High_TG_FR4_Suppliers\"><\/span>Yayg\u0131n Y\u00fcksek TG FR4 Tedarik\u00e7ileri<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Bir\u00e7ok laminat \u00fcreticisi, yayg\u0131n olarak kullan\u0131lan y\u00fcksek TG\u2019li malzemeler sunmaktad\u0131r:<\/p><ul class=\"wp-block-list\"><li>Shengyi<\/li>\n\n<li>Kingboard<\/li>\n\n<li>ITEQ<\/li>\n\n<li>Isola<\/li>\n\n<li>Ventec<\/li><\/ul><p>Her tedarik\u00e7i, farkl\u0131 performans ve maliyet gereksinimlerine y\u00f6nelik \u00e7e\u015fitli TG s\u0131n\u0131flar\u0131 sunmaktad\u0131r.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>S\u0131k\u00e7a Sorulan Sorular<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1782283350742\"><strong class=\"schema-faq-question\">S: Y\u00fcksek TG\u2019li FR4, standart FR4\u2019ten her zaman daha m\u0131 iyidir?<\/strong> <p class=\"schema-faq-answer\">C: Her zaman de\u011fil. Y\u00fcksek TG de\u011feri, yaln\u0131zca PCB\u2019nin daha y\u00fcksek termal strese veya birden fazla yeniden ak\u0131\u015f d\u00f6ng\u00fcs\u00fcne maruz kald\u0131\u011f\u0131 durumlarda gereklidir.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782283361368\"><strong class=\"schema-faq-question\">S: Y\u00fcksek TG de\u011ferine sahip FR4, sinyal performans\u0131n\u0131 iyile\u015ftirir mi?<\/strong> <p class=\"schema-faq-answer\">A: \u00d6nemli \u00f6l\u00e7\u00fcde de\u011fil. Y\u00fcksek frekans performans\u0131ndan ziyade, esas olarak termal ve mekanik g\u00fcvenilirli\u011fi art\u0131r\u0131r.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782283520743\"><strong class=\"schema-faq-question\">S: Hangi TG de\u011feri y\u00fcksek TG olarak kabul edilir?<\/strong> <p class=\"schema-faq-answer\">C: Genellikle, TG de\u011feri 170\u00b0C ve \u00fczeri olan malzemeler, y\u00fcksek TG\u2019li FR4 olarak s\u0131n\u0131fland\u0131r\u0131l\u0131r.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782283531090\"><strong class=\"schema-faq-question\">S: TG de\u011feri y\u00fcksek FR4 daha m\u0131 pahal\u0131d\u0131r?<\/strong> <p class=\"schema-faq-answer\">C: Evet, ancak standart FR4 ile kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda fiyat fark\u0131 genellikle makul d\u00fczeydedir.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782283586027\"><strong class=\"schema-faq-question\">S: Y\u00fcksek TG de\u011ferine sahip FR4, y\u00fcksek h\u0131zl\u0131 PCB tasar\u0131m\u0131nda kullan\u0131labilir mi?<\/strong> <p class=\"schema-faq-answer\">C: Orta d\u00fczeyde y\u00fcksek h\u0131zl\u0131 uygulamalar i\u00e7in kullan\u0131labilir, ancak RF veya \u00e7ok y\u00fcksek h\u0131zl\u0131 sinyaller i\u00e7in d\u00fc\u015f\u00fck kay\u0131pl\u0131 laminatlar tercih edilir.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>High TG FR4 is designed for PCB applications requiring improved thermal stability and reliability. It reduces warpage, improves via performance, and is widely used in automotive, power electronics, and server systems. However, for RF and high-speed designs, low-loss materials are still required.<\/p>","protected":false},"author":1,"featured_media":5897,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[483,484],"class_list":["post-5893","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-fr4-pcb","tag-pcb-material"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>High TG FR4 PCB Material Guide<\/title>\n<meta name=\"description\" content=\"Understand High TG FR4 PCB material, including glass transition temperature, thermal reliability, applications, and differences from standard FR4 in PCB manufacturing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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It mainly improves thermal and mechanical reliability rather than high-frequency performance.\",\"inLanguage\":\"tr\"},\"inLanguage\":\"tr\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/high-tg-fr4-pcb\/#faq-question-1782283520743\",\"position\":3,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/high-tg-fr4-pcb\/#faq-question-1782283520743\",\"name\":\"Q: What TG value is considered high TG?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: Typically, materials with TG \u2265 170\u00b0C are classified as high TG FR4.\",\"inLanguage\":\"tr\"},\"inLanguage\":\"tr\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/high-tg-fr4-pcb\/#faq-question-1782283531090\",\"position\":4,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/high-tg-fr4-pcb\/#faq-question-1782283531090\",\"name\":\"Q: Is high TG FR4 more expensive?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: Yes, but the cost difference is 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