{"id":3754,"date":"2025-08-03T08:54:00","date_gmt":"2025-08-03T00:54:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=3754"},"modified":"2025-08-02T18:25:55","modified_gmt":"2025-08-02T10:25:55","slug":"key-parameters-of-pcb-circuit-boards","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/tr\/blog\/key-parameters-of-pcb-circuit-boards\/","title":{"rendered":"PCB devre kartlar\u0131n\u0131n temel parametreleri"},"content":{"rendered":"<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\/key-parameters-of-pcb-circuit-boards\/#Detailed_Explanation_of_Key_PCB_Parameters\" >Anahtar PCB Parametrelerinin Detayl\u0131 A\u00e7\u0131klamas\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/key-parameters-of-pcb-circuit-boards\/#1_Electrical_Performance_Parameters\" >1. Elektriksel Performans Parametreleri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/key-parameters-of-pcb-circuit-boards\/#2_Thermal_Performance_Parameters\" >2. Termal Performans Parametreleri<\/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\/key-parameters-of-pcb-circuit-boards\/#3_Mechanical_Performance_Parameters\" >3. Mekanik Performans Parametreleri<\/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\/key-parameters-of-pcb-circuit-boards\/#4_Structural_Characteristics\" >4. Yap\u0131sal \u00d6zellikler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/key-parameters-of-pcb-circuit-boards\/#5_Reliability_Testing_Metrics\" >5. G\u00fcvenilirlik Testi Metrikleri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/key-parameters-of-pcb-circuit-boards\/#6_Environmental_Process_Compliance\" >6. \u00c7evre ve S\u00fcre\u00e7 Uyumlulu\u011fu<\/a><\/li><\/ul><\/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\/key-parameters-of-pcb-circuit-boards\/#PCB_Board_Classification_and_Selection\" >PCB Kart S\u0131n\u0131fland\u0131rmas\u0131 ve Se\u00e7imi<\/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\/key-parameters-of-pcb-circuit-boards\/#1_Common_PCB_Materials\" >1. Yayg\u0131n PCB Malzemeleri<\/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\/key-parameters-of-pcb-circuit-boards\/#2_PCB_Material_Grades_Comparison\" >2. PCB Malzeme S\u0131n\u0131flar\u0131 Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/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\/key-parameters-of-pcb-circuit-boards\/#3_How_to_Choose_the_Right_PCB_Material\" >3. Do\u011fru PCB Malzemesi Nas\u0131l Se\u00e7ilir?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Detailed_Explanation_of_Key_PCB_Parameters\"><\/span><strong>Anahtar PCB Parametrelerinin Detayl\u0131 A\u00e7\u0131klamas\u0131<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Electrical_Performance_Parameters\"><\/span><strong>1. Elektriksel Performans Parametreleri<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>Bir PCB'nin elektriksel \u00f6zellikleri, \u00f6zellikle y\u00fcksek frekansl\u0131 ve y\u00fcksek h\u0131zl\u0131 devrelerde sinyal b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc do\u011frudan etkiler.<\/p><ul class=\"wp-block-list\"><li><strong>Dielektrik Sabiti (Dk)<\/strong> - Bir malzemenin elektrik enerjisi depolama yetene\u011fini \u00f6l\u00e7er. Daha d\u00fc\u015f\u00fck Dk de\u011ferleri (\u00f6rne\u011fin Dk\u22482.2 ile PTFE) daha h\u0131zl\u0131 sinyal iletimi sa\u011flayarak onlar\u0131 5G ve milimetre dalga uygulamalar\u0131 i\u00e7in ideal hale getirir.<\/li>\n\n<li><strong>Yay\u0131lma Fakt\u00f6r\u00fc (Df\/Kay\u0131p Tanjant\u0131)<\/strong> - Sinyal enerji kayb\u0131n\u0131 g\u00f6sterir. Y\u00fcksek frekansl\u0131 uygulamalar (\u00f6rn. radar, uydu ileti\u015fimi) Df &lt; 0,005 gerektirir.<\/li>\n\n<li><strong>Y\u00fczey\/Hacim Diren\u00e7lili\u011fi<\/strong> - Y\u00fcksek yal\u0131t\u0131m direnci (&gt;10\u00b9\u00b2 \u03a9-cm), y\u00fcksek voltajl\u0131 PCB'ler (\u00f6rn. g\u00fc\u00e7 mod\u00fclleri) i\u00e7in \u00e7ok \u00f6nemli olan ka\u00e7ak ak\u0131mlar\u0131 \u00f6nler.<\/li>\n\n<li><strong>Ar\u0131za Gerilimi<\/strong> - Standart FR4 \u226520 kV\/mm'ye dayan\u0131rken, seramik alt tabakalar 50 kV\/mm'ye kadar dayanabilir.<\/li>\n\n<li><strong>Empedans Kontrol\u00fc<\/strong> - Y\u00fcksek h\u0131zl\u0131 PCB'ler (\u00f6rn. DDR5, PCIe 6.0) sinyal yans\u0131malar\u0131n\u0131 en aza indirmek i\u00e7in s\u0131k\u0131 empedans tolerans\u0131 (\u00b15%) gerektirir.<\/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\/2025\/08\/PCB-parameters.jpg\" alt=\"PCB parametreleri\" class=\"wp-image-3756\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Thermal_Performance_Parameters\"><\/span><strong>2. Termal Performans Parametreleri<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>Bir PCB'nin \u0131s\u0131 direnci, \u00f6zellikle kur\u015funsuz lehimleme ve uzun vadeli stabilite i\u00e7in y\u00fcksek s\u0131cakl\u0131kl\u0131 ortamlarda g\u00fcvenilirli\u011fini belirler.<\/p><ul class=\"wp-block-list\"><li><strong>Cam Ge\u00e7i\u015f S\u0131cakl\u0131\u011f\u0131 (Tg)<\/strong> - Standart FR4 Tg\u2248130\u00b0C'ye sahipken, y\u00fcksek Tg PCB'ler (Tg\u2265170\u00b0C) otomotiv ve askeri elektroniklerde kullan\u0131l\u0131r.<\/li>\n\n<li><strong>Termal Ayr\u0131\u015fma S\u0131cakl\u0131\u011f\u0131 (Td)<\/strong> - Kur\u015funsuz lehimleme i\u00e7in Td &gt; 325\u00b0C olan malzemeler (\u00f6rn. Isola 370HR) tercih edilir.<\/li>\n\n<li><strong>Termal \u0130letkenlik<\/strong> - FR4 d\u00fc\u015f\u00fck termal iletkenli\u011fe (~0,3 W\/m-K) sahipken, metal \u00e7ekirdekli PCB'ler (\u00f6rne\u011fin al\u00fcminyum) 10 W\/m-K'ye ula\u015fabilir ve bu da onlar\u0131 LED so\u011futma i\u00e7in ideal hale getirir.<\/li>\n\n<li><strong>Termal Genle\u015fme Katsay\u0131s\u0131 (CTE)<\/strong> - \u00c7ok katmanl\u0131 PCB'lerde delaminasyonu \u00f6nlemek i\u00e7in Z ekseni CTE &lt;50 ppm\/\u00b0C olmal\u0131d\u0131r (IC substratlar\u0131 CTE\u22486 ppm\/\u00b0C gerektirir).<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Mechanical_Performance_Parameters\"><\/span><strong>3. Mekanik Performans Parametreleri<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>Mekanik mukavemet, montaj s\u00fcre\u00e7lerini ve uzun vadeli dayan\u0131kl\u0131l\u0131\u011f\u0131 etkiler.<\/p><ul class=\"wp-block-list\"><li><strong>E\u011filme Dayan\u0131m\u0131<\/strong> - Standart FR4 400-600 MPa aras\u0131nda de\u011fi\u015firken, esnek PCB'ler (poliimid) &gt;200 MPa gerektirir.<\/li>\n\n<li><strong>Peeling G\u00fcc\u00fc<\/strong> - Lehimleme s\u0131ras\u0131nda folyonun ayr\u0131lmas\u0131n\u0131 \u00f6nlemek i\u00e7in bak\u0131r yap\u0131\u015fmas\u0131 1,0 N\/mm'yi (IPC standard\u0131) a\u015fmal\u0131d\u0131r.<\/li>\n\n<li><strong>Su Emme<\/strong> - D\u00fc\u015f\u00fck nem emilimi (&lt;0,2%) kabarmay\u0131 \u00f6nler; y\u00fcksek frekansl\u0131 laminatlar tipik olarak &lt;0,1%&#039;yi korur.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Structural_Characteristics\"><\/span><strong>4. Yap\u0131sal \u00d6zellikler<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u00dcretim hassasiyeti a\u015fa\u011f\u0131dakiler i\u00e7in kritik \u00f6neme sahiptir <a href=\"https:\/\/www.topfastpcb.com\/tr\/products\/hdi-pcb\/\">y\u00fcksek yo\u011funluklu ara ba\u011flant\u0131 (HDI)<\/a> ve minyat\u00fcrle\u015ftirilmi\u015f tasar\u0131mlar.<\/p><ul class=\"wp-block-list\"><li><strong>Bak\u0131r Kal\u0131nl\u0131\u011f\u0131 Tolerans\u0131<\/strong> - Standart 1 oz bak\u0131r \u00b110% toleransa sahipken, hassas devreler \u00b15% gerektirir.<\/li>\n\n<li><strong>Katmandan Katmana Kay\u0131t Do\u011frulu\u011fu<\/strong> - HDI PCB'ler &lt;25 \u03bcm hizalama gerektirirken, standart \u00e7ok katmanl\u0131 kartlar &lt;50 \u03bcm&#039;ye izin verir.<\/li>\n\n<li><strong>Minimum \u0130z \/ Bo\u015fluk (L \/ S)<\/strong> - Standart PCB'ler 0,1 mm\/0,1 mm kullan\u0131rken, geli\u015fmi\u015f IC alt tabakalar\u0131 20 \u03bcm\/20 \u03bcm'ye ula\u015f\u0131r.<\/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\/2025\/08\/PCB-parameters-1.jpg\" alt=\"PCB parametreleri\" class=\"wp-image-3757\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Reliability_Testing_Metrics\"><\/span><strong>5. G\u00fcvenilirlik Testi Metrikleri<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>PCB'ler uzun vadeli stabiliteyi sa\u011flamak i\u00e7in s\u0131k\u0131 testlerden ge\u00e7melidir.<\/p><ul class=\"wp-block-list\"><li><strong>\u0130letken Anodik Filament (CAF) Direnci<\/strong> - Nemli ko\u015fullar alt\u0131nda k\u0131sa devre risklerini de\u011ferlendirir (1000 saat boyunca 851\u00b0C\/85% RH).<\/li>\n\n<li><strong>Y\u00fczey \u0130zolasyon Direnci (SIR)<\/strong> - 10\u2078 \u03a9 de\u011ferini a\u015fmal\u0131d\u0131r (JIS standartlar\u0131na g\u00f6re).<\/li>\n\n<li><strong>Termal D\u00f6ng\u00fc Testi<\/strong> - 100 d\u00f6ng\u00fcde (-55\u00b0C ila 125\u00b0C) \u00e7atlama olmadan dayan\u0131r (otomotiv PCB'leri daha s\u0131k\u0131 testler gerektirir).<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Environmental_Process_Compliance\"><\/span><strong>6. \u00c7evre ve S\u00fcre\u00e7 Uyumlulu\u011fu<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u00c7evresel d\u00fczenlemeler (\u00f6rn. RoHS, REACH) PCB malzeme geli\u015fmelerini y\u00f6nlendirmektedir.<\/p><ul class=\"wp-block-list\"><li><strong>Kar\u015f\u0131la\u015ft\u0131rmal\u0131 Takip Endeksi (CTI)<\/strong> - T\u0131bbi cihazlar S\u0131n\u0131f 3'e (400-600V) ihtiya\u00e7 duyarken, end\u00fcstriyel kontroller S\u0131n\u0131f 2 gerektirir.<\/li>\n\n<li><strong>Halojensiz<\/strong> - Toksik emisyonlar\u0131 azaltmak i\u00e7in klor\/brom i\u00e7eri\u011fi &lt;900 ppm olmal\u0131d\u0131r.<\/li>\n\n<li><strong>Alev Geciktirici (UL94)<\/strong> - V-0, havac\u0131l\u0131k ve uzay uygulamalar\u0131 i\u00e7in zorunlu olan en y\u00fcksek derecedir.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PCB_Board_Classification_and_Selection\"><\/span><strong>PCB Kart S\u0131n\u0131fland\u0131rmas\u0131 ve Se\u00e7imi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Common_PCB_Materials\"><\/span><strong>1. Yayg\u0131n PCB Malzemeleri<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>FR4<\/strong> - T\u00fcketici elektroni\u011fi i\u00e7in standart epoksi-cam laminat.<\/li>\n\n<li><strong>CEM-3<\/strong> - Kompozit substrat, basit \u00e7ift tarafl\u0131 PCB'ler i\u00e7in uygun maliyetli.<\/li>\n\n<li><strong><a href=\"https:\/\/www.topfastpcb.com\/tr\/products\/high-tg-rigid-pcb\/\">Y\u00fcksek Tg PCB'ler<\/a> (Tg\u2265170\u00b0C)<\/strong> - Otomotiv ve askeri kullan\u0131m i\u00e7in \u0131s\u0131ya dayan\u0131kl\u0131d\u0131r.<\/li>\n\n<li><strong>Y\u00fcksek Frekansl\u0131 Laminatlar (\u00f6rn. Rogers RO4003C)<\/strong> - 5G\/radar uygulamalar\u0131 i\u00e7in d\u00fc\u015f\u00fck Dk\/Df.<\/li>\n\n<li><strong><a href=\"https:\/\/www.topfastpcb.com\/tr\/products\/metal-core-pcb\/\">Metal \u00c7ekirdekli PCB'ler<\/a> (Al\u00fcminyum\/Bak\u0131r)<\/strong> - LED'ler ve g\u00fc\u00e7 mod\u00fclleri i\u00e7in m\u00fckemmel termal y\u00f6netim.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_PCB_Material_Grades_Comparison\"><\/span><strong>2. PCB Malzeme S\u0131n\u0131flar\u0131 Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Malzeme S\u0131n\u0131f\u0131<\/th><th>\u00d6zellikler<\/th><th>Tipik Uygulamalar<\/th><\/tr><\/thead><tbody><tr><td><strong>94HB<\/strong><\/td><td>Ka\u011f\u0131t bazl\u0131, alev geciktirici olmayan<\/td><td>D\u00fc\u015f\u00fck maliyetli t\u00fcketici elektroni\u011fi<\/td><\/tr><tr><td><strong>94V0<\/strong><\/td><td>Alev geciktirici ka\u011f\u0131t alt tabaka<\/td><td>Ev aletleri kontrol panolar\u0131<\/td><\/tr><tr><td><strong>CEM-1<\/strong><\/td><td>Tek tarafl\u0131 fiberglas<\/td><td>Basit devreler<\/td><\/tr><tr><td><strong>CEM-3<\/strong><\/td><td>\u00c7ift tarafl\u0131 yar\u0131 cam<\/td><td>D\u00fc\u015f\u00fck maliyetli \u00e7ift katmanl\u0131 PCB'ler<\/td><\/tr><tr><td><strong>FR4<\/strong><\/td><td>Standart fiberglas<\/td><td>T\u00fcketici elektroni\u011fi, end\u00fcstriyel kontroller<\/td><\/tr><tr><td><strong>Y\u00fcksek Tg FR4<\/strong><\/td><td>Y\u00fcksek s\u0131cakl\u0131\u011fa dayan\u0131kl\u0131<\/td><td>Otomotiv, havac\u0131l\u0131k ve uzay<\/td><\/tr><\/tbody><\/table><\/figure><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\/2025\/08\/PCB-parameters-3.jpg\" alt=\"PCB parametreleri\" class=\"wp-image-3758\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-3.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-3-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-3-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_How_to_Choose_the_Right_PCB_Material\"><\/span><strong>3. Do\u011fru PCB Malzemesi Nas\u0131l Se\u00e7ilir?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Y\u00fcksek Frekans Uygulamalar\u0131<\/strong> \u2192 D\u00fc\u015f\u00fck Dk\/Df malzemeler (Rogers, Taconic).<\/li>\n\n<li><strong>Y\u00fcksek S\u0131cakl\u0131k Ortamlar\u0131<\/strong> \u2192 Y\u00fcksek Tg (\u2265170\u00b0C) veya y\u00fcksek Td (&gt;325\u00b0C) malzemeler.<\/li>\n\n<li><strong>Y\u00fcksek G\u00fc\u00e7l\u00fc Is\u0131 Da\u011f\u0131t\u0131m\u0131<\/strong> \u2192 Metal \u00e7ekirdekli veya y\u00fcksek termal iletkenlikli FR4.<\/li>\n\n<li><strong>\u00c7evre Dostu Gereksinimler<\/strong> \u2192 Halojen i\u00e7ermeyen, RoHS uyumlu malzemeler.<\/li><\/ul><p>PCB parametrelerinin se\u00e7imi \u00fcr\u00fcn performans\u0131n\u0131, g\u00fcvenilirli\u011fini ve maliyetini do\u011frudan etkiler. M\u00fchendislerin uygulama senaryosuna (y\u00fcksek frekans, y\u00fcksek s\u0131cakl\u0131k, y\u00fcksek g\u00fc\u00e7 gibi) g\u00f6re uygun kart malzemelerini (FR4, CEM-3, y\u00fcksek Tg PCB vb.) se\u00e7meleri ve sinyal b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc, \u0131s\u0131 yayma yeteneklerini ve mekanik mukavemeti iyile\u015ftirmek i\u00e7in tasar\u0131m\u0131 optimize etmeleri gerekir.<\/p>","protected":false},"excerpt":{"rendered":"<p>PCB devre kartlar\u0131n\u0131n performans\u0131, dielektrik sabiti (DK de\u011feri), cam ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131 (Tg), \u0131s\u0131 direnci (Td), CTI (s\u00fcr\u00fcnme iz indeksi) ve CTE (termal genle\u015fme katsay\u0131s\u0131) gibi birka\u00e7 temel parametreye ba\u011fl\u0131d\u0131r. Farkl\u0131 kart malzemeleri (FR4, CEM-3 ve y\u00fcksek Tg PCB gibi), y\u00fcksek frekansl\u0131 ileti\u015fim, otomotiv elektroni\u011fi veya y\u00fcksek g\u00fc\u00e7l\u00fc ekipman gibi farkl\u0131 uygulamalar i\u00e7in uygundur.<\/p>","protected":false},"author":1,"featured_media":3759,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112],"tags":[336],"class_list":["post-3754","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-pcb-parameters"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Key parameters of PCB circuit boards - Topfastpcb<\/title>\n<meta name=\"description\" content=\"Key parameters of PCB circuit boards, including dielectric constant (DK value), glass transition temperature (Tg), heat resistance (Td), CTI, CTE, etc. Understand the characteristics and application scenarios of different board materials (FR4, CEM-3, high Tg PCB) to optimize PCB design and improve performance and reliability.\" \/>\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.topfastpcb.com\/tr\/blog\/key-parameters-of-pcb-circuit-boards\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Key parameters of PCB circuit boards - 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