{"id":5912,"date":"2026-07-08T08:43:00","date_gmt":"2026-07-08T00:43:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=5912"},"modified":"2026-06-25T10:01:12","modified_gmt":"2026-06-25T02:01:12","slug":"fr4-pcb-material","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/","title":{"rendered":"FR4 PCB Malzemesi Hakk\u0131nda A\u00e7\u0131klama"},"content":{"rendered":"<p>FR4, on y\u0131llard\u0131r bask\u0131l\u0131 devre kartlar\u0131 i\u00e7in standart malzeme olarak kullan\u0131lmaktad\u0131r. Elektriksel performans\u0131, mekanik mukavemeti ve uygun fiyat\u0131n\u0131n bir araya gelmesi, bu malzemeyi basit t\u00fcketici \u00fcr\u00fcnlerinden karma\u015f\u0131k \u00e7ok katmanl\u0131 kartlara kadar her t\u00fcrl\u00fc uygulamaya uygun hale getirmektedir.<\/p><p>G\u00fcn\u00fcm\u00fczde pek \u00e7ok \u00f6zel laminat mevcut olsa da, FR4 \u00e7o\u011fu ki\u015fi i\u00e7in h\u00e2l\u00e2 ilk tercih olmaya devam ediyor <a href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/what-is-a-pcb-design\/\">PCB tasar\u0131mlar\u0131<\/a> \u00e7\u00fcnk\u00fc g\u00fcvenilirlik ile \u00fcretim maliyeti aras\u0131nda iyi bir denge sa\u011fl\u0131yor.<\/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\/FR4-PCB.jpg\" alt=\"FR4 PCB\" class=\"wp-image-5913\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/FR4-PCB.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/FR4-PCB-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/FR4-PCB-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\/fr4-pcb-material\/#What_FR4_Means\" >FR4'\u00fcn Anlam\u0131<\/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\/fr4-pcb-material\/#How_FR4_Is_Used_in_PCB_Manufacturing\" >FR4, PCB \u00dcretiminde Nas\u0131l Kullan\u0131l\u0131r?<\/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\/fr4-pcb-material\/#Single-Sided_Boards\" >Tek Y\u00fczl\u00fc Kartlar<\/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\/fr4-pcb-material\/#Double-Sided_Boards\" >\u00c7ift Y\u00fczl\u00fc Levhalar<\/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\/fr4-pcb-material\/#Multilayer_Boards\" >\u00c7ok Katmanl\u0131 Panolar<\/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\/fr4-pcb-material\/#Common_FR4_Material_Properties\" >Yayg\u0131n FR4 Malzeme \u00d6zellikleri<\/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\/fr4-pcb-material\/#Standard_TG_and_High_TG_FR4\" >Standart TG ve Y\u00fcksek TG FR4<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Standard_TG_Materials\" >Standart TG Malzemeleri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#High_TG_Materials\" >Y\u00fcksek TG\u2019li Malzemeler<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Advantages_of_FR4\" >FR4\u2019\u00fcn Avantajlar\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Cost_Efficiency\" >Maliyet Verimlili\u011fi<\/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\/fr4-pcb-material\/#Mature_Manufacturing_Process\" >Olgun \u00dcretim S\u00fcreci<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Mechanical_Stability\" >Mekanik Stabilite<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Wide_Availability\" >Geni\u015f Ula\u015f\u0131labilirlik<\/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\/fr4-pcb-material\/#Suitable_for_Most_Applications\" >\u00c7o\u011fu Uygulama \u0130\u00e7in Uygun<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Limitations_of_FR4\" >FR4\u2019\u00fcn S\u0131n\u0131rlamalar\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Higher_Signal_Loss\" >Daha Y\u00fcksek Sinyal Kayb\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Limited_Thermal_Conductivity\" >S\u0131n\u0131rl\u0131 Is\u0131 \u0130letkenli\u011fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Dk_Variation\" >Dk Varyasyonu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Not_Ideal_for_RF_Applications\" >RF Uygulamalar\u0131 \u0130\u00e7in Uygun De\u011fil<\/a><\/li><\/ul><\/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\/fr4-pcb-material\/#Popular_FR4_Material_Brands\" >Pop\u00fcler FR4 Malzeme Markalar\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Shengyi\" >Shengyi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Kingboard\" >Kingboard<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#ITEQ\" >ITEQ<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Isola\" >Isola<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Ventec\" >Ventec<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Typical_Applications_of_FR4\" >FR4\u2019\u00fcn Tipik Uygulamalar\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Consumer_Electronics\" >T\u00fcketici Elektroni\u011fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Industrial_Equipment\" >End\u00fcstriyel Ekipmanlar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#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-31\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Medical_Devices\" >T\u0131bbi Cihazlar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#Communication_Products\" >\u0130leti\u015fim \u00dcr\u00fcnleri<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#When_FR4_Is_No_Longer_Enough\" >FR4 Art\u0131k Yeterli Olmad\u0131\u011f\u0131nda<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/fr4-pcb-material\/#FAQ\" >S\u0131k\u00e7a Sorulan Sorular<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_FR4_Means\"><\/span>FR4'\u00fcn Anlam\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2><p>FR, alev geciktirici anlam\u0131na gelir; 4 rakam\u0131 ise NEMA standard\u0131nda tan\u0131mlanan s\u0131n\u0131fland\u0131rmay\u0131 ifade eder.<\/p><p>FR4, epoksi re\u00e7ine ile emprenye edilmi\u015f dokunmu\u015f cam elyaf kuma\u015ftan \u00fcretilir. Is\u0131 ve bas\u0131n\u00e7 alt\u0131nda sertle\u015ftikten sonra, bu malzeme bak\u0131r katmanlar\u0131n\u0131 ve elektronik bile\u015fenleri ta\u015f\u0131yabilecek sert bir yal\u0131t\u0131m alt tabakas\u0131 olu\u015fturur.<\/p><p>Bu materyal \u015funlar\u0131 sunmaktad\u0131r:<\/p><ul class=\"wp-block-list\"><li>\u0130yi mekanik dayan\u0131m<\/li>\n\n<li>Kararl\u0131 elektriksel \u00f6zellikler<\/li>\n\n<li>M\u00fckemmel yal\u0131t\u0131m<\/li>\n\n<li>Nem direnci<\/li>\n\n<li>D\u00fc\u015f\u00fck \u00fcretim maliyeti<\/li><\/ul><p>Bu \u00f6zellikler, FR4'\u00fcn neden <a href=\"https:\/\/www.topfastpcb.com\/tr\/pcb-industries\/\">PCB end\u00fcstrisi<\/a>.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_FR4_Is_Used_in_PCB_Manufacturing\"><\/span>FR4, PCB \u00dcretiminde Nas\u0131l Kullan\u0131l\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>FR4, bak\u0131r katmanlar\u0131 aras\u0131ndaki dielektrik malzeme olarak i\u015flev g\u00f6r\u00fcr.<\/p><p>Tipik yap\u0131lar aras\u0131nda \u015funlar yer al\u0131r:<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Single-Sided_Boards\"><\/span>Tek Y\u00fczl\u00fc Kartlar<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Kullan\u0131m alanlar\u0131:<\/p><ul class=\"wp-block-list\"><li>G\u00fc\u00e7 adapt\u00f6rleri<\/li>\n\n<li>Ev aletleri<\/li>\n\n<li>LED \u00fcr\u00fcnleri<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Double-Sided_Boards\"><\/span>\u00c7ift Y\u00fczl\u00fc Levhalar<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u015eu \u00fclkelerde yayg\u0131nd\u0131r:<\/p><ul class=\"wp-block-list\"><li>End\u00fcstriyel kontrol cihazlar\u0131<\/li>\n\n<li>Otomotiv elektroni\u011fi<\/li>\n\n<li>\u0130leti\u015fim ekipman\u0131<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Multilayer_Boards\"><\/span>\u00c7ok Katmanl\u0131 Panolar<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Yayg\u0131n olarak \u015fu ama\u00e7larla kullan\u0131l\u0131r:<\/p><ul class=\"wp-block-list\"><li>Sunucular<\/li>\n\n<li>T\u0131bbi cihazlar<\/li>\n\n<li>A\u011f ekipmanlar\u0131<\/li>\n\n<li>G\u00f6m\u00fcl\u00fc sistemler<\/li><\/ul><p>4 ila 20 katmanl\u0131 modern \u00e7ok katmanl\u0131 kartlar genellikle FR4 laminatlar\u0131 ve prepregler kullan\u0131larak \u00fcretilir.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_FR4_Material_Properties\"><\/span>Yayg\u0131n FR4 Malzeme \u00d6zellikleri<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u00dcreticiler aras\u0131nda teknik \u00f6zellikler farkl\u0131l\u0131k g\u00f6sterse de, standart FR4 malzemeleri genellikle a\u015fa\u011f\u0131daki \u00f6zelliklere sahiptir.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>M\u00fclkiyet<\/th><th>Tipik De\u011fer<\/th><\/tr><tr><td>Dielektrik sabiti (Dk)<\/td><td>4.2-4.8<\/td><\/tr><tr><td>Da\u011f\u0131lma fakt\u00f6r\u00fc (Df)<\/td><td>0.015-0.025<\/td><\/tr><tr><td>Cam ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131<\/td><td>130\u2013170 \u00b0C<\/td><\/tr><tr><td>Is\u0131 iletkenli\u011fi<\/td><td>0,3\u20130,4 W\/m\u00b7K<\/td><\/tr><tr><td>Hacimsel diren\u00e7<\/td><td>&gt;10\u00b9\u00b2 \u03a9\u00b7cm<\/td><\/tr><tr><td>Alev derecesi<\/td><td>UL94 V-0<\/td><\/tr><\/tbody><\/table><\/figure><p>Bu de\u011ferler, \u00e7o\u011fu d\u00fc\u015f\u00fck ve orta h\u0131zdaki elektronik \u00fcr\u00fcn i\u00e7in uygundur.<\/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\/FR4-PCB-1.jpg\" alt=\"FR4 PCB\" class=\"wp-image-5914\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/FR4-PCB-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/FR4-PCB-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/FR4-PCB-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_TG_and_High_TG_FR4\"><\/span>Standart TG ve Y\u00fcksek TG FR4<span class=\"ez-toc-section-end\"><\/span><\/h2><p>FR4\u2019\u00fcn \u00f6nemli bir parametresi cams\u0131 ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131d\u0131r (TG).<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_TG_Materials\"><\/span>Standart TG Malzemeleri<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Tipik TG de\u011ferleri 130 \u00b0C ile 140 \u00b0C aras\u0131nda de\u011fi\u015fmektedir.<\/p><p>Uygulamalar \u015funlar\u0131 i\u00e7erir:<\/p><ul class=\"wp-block-list\"><li>T\u00fcketici elektroni\u011fi<\/li>\n\n<li>Ev aletleri<\/li>\n\n<li>Genel end\u00fcstriyel \u00fcr\u00fcnler<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"High_TG_Materials\"><\/span>Y\u00fcksek TG\u2019li Malzemeler<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Y\u00fcksek TG de\u011ferine sahip laminatlar\u0131n TG de\u011ferleri genellikle 170 \u00b0C\u2019nin \u00fczerindedir.<\/p><p>A\u015fa\u011f\u0131daki ko\u015fullarda daha iyi performans g\u00f6sterirler:<\/p><ul class=\"wp-block-list\"><li>Kur\u015funsuz montaj<\/li>\n\n<li>Y\u00fcksek \u00e7al\u0131\u015fma s\u0131cakl\u0131klar\u0131<\/li>\n\n<li>Birden fazla yeniden ak\u0131\u015f d\u00f6ng\u00fcs\u00fc<\/li><\/ul><p>Y\u00fcksek TG de\u011ferine sahip malzemeler genellikle \u015fu alanlarda bulunur:<\/p><ul class=\"wp-block-list\"><li>Otomotiv elektroni\u011fi<\/li>\n\n<li>G\u00fc\u00e7 kaynaklar\u0131<\/li>\n\n<li>Sunucular<\/li>\n\n<li>Telekom\u00fcnikasyon ekipmanlar\u0131<\/li><\/ul><p><em>\u0130\u00e7 ba\u011flant\u0131: <a href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/high-tg-fr4-pcb\/\">Y\u00fcksek TG\u2019li FR4 PCB<\/a><\/em><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Advantages_of_FR4\"><\/span>FR4\u2019\u00fcn Avantajlar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Birka\u00e7 fakt\u00f6r, FR4\u2019\u00fc sekt\u00f6r\u00fcn en yayg\u0131n olarak kullan\u0131lan alt tabakas\u0131 haline getirmektedir.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cost_Efficiency\"><\/span>Maliyet Verimlili\u011fi<span class=\"ez-toc-section-end\"><\/span><\/h3><p>FR4, RF laminatlar\u0131 ve \u00f6zel malzemelere k\u0131yasla \u00f6nemli \u00f6l\u00e7\u00fcde daha ucuzdur.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mature_Manufacturing_Process\"><\/span>Olgun \u00dcretim S\u00fcreci<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Hemen hemen her PCB \u00fcreticisi FR4 \u00fcretimini desteklemektedir.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mechanical_Stability\"><\/span>Mekanik Stabilite<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Fiberglas yap\u0131, m\u00fckemmel bir sa\u011flaml\u0131k ve boyutsal kararl\u0131l\u0131k sa\u011flar.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Wide_Availability\"><\/span>Geni\u015f Ula\u015f\u0131labilirlik<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Shengyi, Kingboard, ITEQ ve Isola gibi \u00f6nde gelen tedarik\u00e7iler, \u00e7ok say\u0131da FR4 \u00fcr\u00fcn grubu sunmaktad\u0131r.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Suitable_for_Most_Applications\"><\/span>\u00c7o\u011fu Uygulama \u0130\u00e7in Uygun<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Birka\u00e7 gigahertz\u2019in alt\u0131ndaki frekanslar i\u00e7in FR4, genellikle a\u015f\u0131r\u0131 maliyet gerektirmeden elektriksel gereksinimleri kar\u015f\u0131lar.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Limitations_of_FR4\"><\/span>FR4\u2019\u00fcn S\u0131n\u0131rlamalar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u00c7ok y\u00f6nl\u00fcl\u00fc\u011f\u00fcne ra\u011fmen, FR4 her uygulama i\u00e7in uygun de\u011fildir.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Higher_Signal_Loss\"><\/span>Daha Y\u00fcksek Sinyal Kayb\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3><p>D\u00fc\u015f\u00fck kay\u0131pl\u0131 laminatlarla kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, FR4 y\u00fcksek frekanslarda daha y\u00fcksek dielektrik kayb\u0131 sergiler.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Limited_Thermal_Conductivity\"><\/span>S\u0131n\u0131rl\u0131 Is\u0131 \u0130letkenli\u011fi<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Is\u0131 da\u011f\u0131l\u0131m performans\u0131 nispeten d\u00fc\u015f\u00fckt\u00fcr.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dk_Variation\"><\/span>Dk Varyasyonu<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Dielektrik sabiti, frekans ve \u00fcretim ko\u015fullar\u0131na g\u00f6re de\u011fi\u015fir; bu durum, empedans tutarl\u0131l\u0131\u011f\u0131n\u0131 etkileyebilir.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Not_Ideal_for_RF_Applications\"><\/span>RF Uygulamalar\u0131 \u0130\u00e7in Uygun De\u011fil<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Mikrodalga ve milimetre dalga tasar\u0131mlar\u0131 genellikle \u00f6zel malzemeler gerektirir.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Popular_FR4_Material_Brands\"><\/span>Pop\u00fcler FR4 Malzeme Markalar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Piyasada birka\u00e7 laminat \u00fcreticisi hakim konumdad\u0131r.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Shengyi\"><\/span>Shengyi<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Asya'da yayg\u0131n olarak kullan\u0131lmaktad\u0131r ve istikrarl\u0131 kalitesiyle tan\u0131nmaktad\u0131r.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kingboard\"><\/span>Kingboard<span class=\"ez-toc-section-end\"><\/span><\/h3><p>D\u00fcnya \u00e7ap\u0131nda en b\u00fcy\u00fck PCB laminat tedarik\u00e7ilerinden biri.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ITEQ\"><\/span>ITEQ<span class=\"ez-toc-section-end\"><\/span><\/h3><p>A\u011f ve end\u00fcstriyel uygulamalarda s\u0131kl\u0131kla kullan\u0131l\u0131r.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Isola\"><\/span>Isola<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Kuzey Amerika\u2019da pop\u00fcler ve y\u00fcksek g\u00fcvenilirli\u011fe sahip \u00fcr\u00fcnler.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ventec\"><\/span>Ventec<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Y\u00fcksek h\u0131zl\u0131 ve \u0131s\u0131 y\u00f6netimi malzemeleri sunmaktad\u0131r.<\/p><p>Farkl\u0131 \u00fcreticiler birbirine e\u015fde\u011fer kalite s\u0131n\u0131flar\u0131 sunarak m\u00fchendislerin maliyetleri optimize etmelerine ve tedarik zincirinde esneklik sa\u011flamalar\u0131na olanak tan\u0131r.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Typical_Applications_of_FR4\"><\/span>FR4\u2019\u00fcn Tipik Uygulamalar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2><p>FR4 levhalar\u0131, elektronik sekt\u00f6r\u00fcn\u00fcn hemen her alan\u0131nda kullan\u0131lmaktad\u0131r.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Consumer_Electronics\"><\/span>T\u00fcketici Elektroni\u011fi<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Ak\u0131ll\u0131 cihazlar<\/li>\n\n<li>Ev aletleri<\/li>\n\n<li>G\u00fc\u00e7 adapt\u00f6rleri<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Industrial_Equipment\"><\/span>End\u00fcstriyel Ekipmanlar<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>PLC sistemleri<\/li>\n\n<li>\u0130nvert\u00f6rler<\/li>\n\n<li>Otomasyon kontrol\u00f6rleri<\/li><\/ul><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><ul class=\"wp-block-list\"><li>G\u00f6vde kontrol mod\u00fclleri<\/li>\n\n<li>Sens\u00f6rler<\/li>\n\n<li>Bilgi-e\u011flence sistemleri<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Medical_Devices\"><\/span>T\u0131bbi Cihazlar<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>\u0130zleme ekipman\u0131<\/li>\n\n<li>Ta\u015f\u0131nabilir cihazlar<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Communication_Products\"><\/span>\u0130leti\u015fim \u00dcr\u00fcnleri<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Y\u00f6nlendiriciler<\/li>\n\n<li>Anahtarlar<\/li>\n\n<li>A\u011f mod\u00fclleri<\/li><\/ul><p>Y\u00fcksek frekans veya a\u015f\u0131r\u0131 s\u0131cakl\u0131klar s\u00f6z konusu olmad\u0131\u011f\u0131 s\u00fcrece, FR4 pratik ve ekonomik bir se\u00e7enek olmaya devam eder.<\/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\/FR4-PCB-2.jpg\" alt=\"FR4 PCB\" class=\"wp-image-5915\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/FR4-PCB-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/FR4-PCB-2-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/FR4-PCB-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_FR4_Is_No_Longer_Enough\"><\/span>FR4 Art\u0131k Yeterli Olmad\u0131\u011f\u0131nda<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Veri h\u0131zlar\u0131 ve frekanslar artmaya devam ettik\u00e7e, m\u00fchendisler genellikle geleneksel FR4 malzemesinin s\u0131n\u0131rlamalar\u0131yla kar\u015f\u0131 kar\u015f\u0131ya kalmaktad\u0131r.<\/p><p>Gibi uygulamalar:<\/p><ul class=\"wp-block-list\"><li>5G altyap\u0131s\u0131<\/li>\n\n<li>Y\u00fcksek h\u0131zl\u0131 sunucular<\/li>\n\n<li>Radar sistemleri<\/li>\n\n<li>RF mod\u00fclleri<\/li><\/ul><p>a\u015fa\u011f\u0131daki \u00f6zelliklere sahip malzemeler gerekebilir:<\/p><ul class=\"wp-block-list\"><li>Daha d\u00fc\u015f\u00fck dielektrik kayb\u0131<\/li>\n\n<li>Daha istikrarl\u0131 Dk de\u011ferleri<\/li>\n\n<li>Geli\u015ftirilmi\u015f termal performans<\/li><\/ul><p>Bu durumlarda Rogers, PTFE, Megtron ve di\u011fer d\u00fc\u015f\u00fck kay\u0131pl\u0131 malzemeler daha uygun se\u00e7enekler haline gelir.<\/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-1782352025515\"><strong class=\"schema-faq-question\">S: FR4, cam elyaf\u0131yla ayn\u0131 \u015fey midir?<\/strong> <p class=\"schema-faq-answer\">C: Tam olarak \u00f6yle de\u011fil. FR4, cam elyaf kuma\u015f ve epoksi re\u00e7ineden \u00fcretilen bir kompozit malzemedir. Cam elyaf mukavemet sa\u011flarken, re\u00e7ine yal\u0131t\u0131m sa\u011flar.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782352037888\"><strong class=\"schema-faq-question\">S: FR4'\u00fcn dielektrik sabiti nedir?<\/strong> <p class=\"schema-faq-answer\">C: \u00c7o\u011fu FR4 malzemesinin dielektrik sabiti, frekansa ve re\u00e7ine sistemine ba\u011fl\u0131 olarak 4,2 ile 4,8 aras\u0131ndad\u0131r.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782352051553\"><strong class=\"schema-faq-question\">S: FR4, y\u00fcksek h\u0131zl\u0131 PCB tasar\u0131m\u0131 i\u00e7in uygun mudur?<\/strong> <p class=\"schema-faq-answer\">C: FR4, bir\u00e7ok orta h\u0131zda \u00e7al\u0131\u015fan uygulamada iyi sonu\u00e7 verir. Son derece y\u00fcksek h\u0131zl\u0131 veya RF devreleri i\u00e7in d\u00fc\u015f\u00fck kay\u0131pl\u0131 malzemeler gerekebilir.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782352064778\"><strong class=\"schema-faq-question\">S: Y\u00fcksek TG FR4 ne anlama gelir?<\/strong> <p class=\"schema-faq-answer\">C: Y\u00fcksek TG\u2019li FR4, cam ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131 170\u00b0C\u2019nin \u00fczerinde olan ve daha iyi termal kararl\u0131l\u0131k sa\u011flayan malzemeleri ifade eder.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782352077146\"><strong class=\"schema-faq-question\">S: Hangi \u015firketler FR4 malzemeleri \u00fcretmektedir?<\/strong> <p class=\"schema-faq-answer\">C: Ba\u015fl\u0131ca tedarik\u00e7iler aras\u0131nda Shengyi, Kingboard, ITEQ, Isola ve Ventec yer almaktad\u0131r.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>FR4 is the most commonly used PCB substrate thanks to its balance of electrical performance, mechanical strength, and cost. This article explains FR4 properties, high TG materials, major laminate suppliers, and where FR4 remains the preferred choice in modern PCB manufacturing.<\/p>","protected":false},"author":1,"featured_media":5916,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[483,484],"class_list":["post-5912","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>FR4 PCB Material Explained<\/title>\n<meta name=\"description\" content=\"Discover the properties, advantages, limitations, and applications of FR4 PCB material. 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