{"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\/es\/blog\/high-tg-fr4-pcb\/","title":{"rendered":"Gu\u00eda sobre el material FR4 para placas de circuito impreso con alto valor de TG"},"content":{"rendered":"<p>El FR4 de alto TG hace referencia a una clase de laminados de fibra de vidrio epoxi con una temperatura de transici\u00f3n v\u00edtrea elevada. En la pr\u00e1ctica <a href=\"https:\/\/www.topfastpcb.com\/es\/pcb-manufacturing\/\">Fabricaci\u00f3n de PCB<\/a>, La TG es uno de los par\u00e1metros clave que determina el comportamiento de una placa bajo estr\u00e9s t\u00e9rmico, especialmente durante la soldadura sin plomo y el funcionamiento a altas temperaturas durante largos periodos de tiempo.<\/p><p>En comparaci\u00f3n con el FR4 est\u00e1ndar, los materiales con un TG elevado ofrecen una mayor estabilidad estructural y se utilizan ampliamente en aplicaciones en las que la fiabilidad t\u00e9rmica es fundamental.<\/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=\"Material para placas de circuito impreso (PCB) FR4 con alto valor de TG\" 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\">Tabla de contenidos<\/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\/es\/blog\/high-tg-fr4-pcb\/#What_TG_Means_in_PCB_Materials\" >Qu\u00e9 significa \u00abTG\u00bb en los materiales para placas de circuito impreso<\/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\/es\/blog\/high-tg-fr4-pcb\/#Standard_TG_vs_High_TG_FR4\" >FR4 de TG est\u00e1ndar frente a FR4 de TG alto<\/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\/es\/blog\/high-tg-fr4-pcb\/#Standard_TG_FR4\" >TG FR4 est\u00e1ndar<\/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\/es\/blog\/high-tg-fr4-pcb\/#Mid_TG_FR4\" >FR4 de punto medio<\/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\/es\/blog\/high-tg-fr4-pcb\/#High_TG_FR4\" >FR4 de alto TG<\/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\/es\/blog\/high-tg-fr4-pcb\/#Why_High_TG_FR4_Matters_in_PCB_Manufacturing\" >Por qu\u00e9 es importante el FR4 con alto contenido en TG en la fabricaci\u00f3n de placas de circuito impreso<\/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\/es\/blog\/high-tg-fr4-pcb\/#Electrical_and_Mechanical_Properties\" >Propiedades el\u00e9ctricas y mec\u00e1nicas<\/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\/es\/blog\/high-tg-fr4-pcb\/#Where_High_TG_FR4_Is_Used\" >\u00c1mbitos de aplicaci\u00f3n del FR4 con alto contenido en TG<\/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\/es\/blog\/high-tg-fr4-pcb\/#Automotive_Electronics\" >Electr\u00f3nica automotriz<\/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\/es\/blog\/high-tg-fr4-pcb\/#Power_Electronics\" >Electr\u00f3nica de potencia<\/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\/es\/blog\/high-tg-fr4-pcb\/#Communication_Systems\" >Sistemas de comunicaci\u00f3n<\/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\/es\/blog\/high-tg-fr4-pcb\/#Server_and_Data_Systems\" >Servidores y sistemas de datos<\/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\/es\/blog\/high-tg-fr4-pcb\/#Manufacturing_Considerations\" >Consideraciones sobre la fabricaci\u00f3n<\/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\/es\/blog\/high-tg-fr4-pcb\/#Drilling_and_Via_Reliability\" >Fiabilidad del taladrado y de las v\u00edas<\/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\/es\/blog\/high-tg-fr4-pcb\/#Lamination_Process\" >Proceso de laminaci\u00f3n<\/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\/es\/blog\/high-tg-fr4-pcb\/#Reflow_Resistance\" >Resistencia al reflujo<\/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\/es\/blog\/high-tg-fr4-pcb\/#High_TG_FR4_vs_Standard_FR4\" >FR4 de alto TG frente a FR4 est\u00e1ndar<\/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\/es\/blog\/high-tg-fr4-pcb\/#Limitations_of_High_TG_FR4\" >Limitaciones del FR4 con alto contenido en TG<\/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\/es\/blog\/high-tg-fr4-pcb\/#Material_Selection_Strategy\" >Estrategia de selecci\u00f3n de materiales<\/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\/es\/blog\/high-tg-fr4-pcb\/#Common_High_TG_FR4_Suppliers\" >Proveedores habituales de FR4 con alto contenido en TG<\/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\/es\/blog\/high-tg-fr4-pcb\/#FAQ\" >Preguntas m\u00e1s frecuentes<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_TG_Means_in_PCB_Materials\"><\/span>Qu\u00e9 significa \u00abTG\u00bb en los materiales para placas de circuito impreso<span class=\"ez-toc-section-end\"><\/span><\/h2><p>La TG (temperatura de transici\u00f3n v\u00edtrea) es el punto en el que la resina epoxi comienza a pasar de un estado r\u00edgido y v\u00edtreo a otro m\u00e1s blando, similar al del caucho.<\/p><p>Por debajo de la TG, el material se mantiene estable y conserva su resistencia mec\u00e1nica. Por encima de la TG, el material comienza a expandirse m\u00e1s r\u00e1pidamente y pierde rigidez.<\/p><p>En el dise\u00f1o de placas de circuito impreso, esto afecta directamente a:<\/p><ul class=\"wp-block-list\"><li>Estabilidad dimensional<\/li>\n\n<li>Fiabilidad<\/li>\n\n<li>Alineaci\u00f3n de capas<\/li>\n\n<li>Resistencia mec\u00e1nica a largo plazo<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_TG_vs_High_TG_FR4\"><\/span>FR4 de TG est\u00e1ndar frente a FR4 de TG alto<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Los materiales FR4 se dividen, por lo general, en tres categor\u00edas:<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_TG_FR4\"><\/span>TG FR4 est\u00e1ndar<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>TG entre 130 \u00b0C y 140 \u00b0C aproximadamente<\/li>\n\n<li>Apto para aplicaciones electr\u00f3nicas generales<\/li>\n\n<li>Es habitual en productos de consumo de bajo coste<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mid_TG_FR4\"><\/span>FR4 de punto medio<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>TG entre 150 \u00b0C y 160 \u00b0C aproximadamente<\/li>\n\n<li>Equilibrio entre rendimiento y coste<\/li>\n\n<li>Se utiliza en electr\u00f3nica industrial<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"High_TG_FR4\"><\/span>FR4 de alto TG<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>TG \u2265 170 \u00b0C<\/li>\n\n<li>Dise\u00f1ado para entornos con elevadas tensiones t\u00e9rmicas<\/li>\n\n<li>Se utiliza habitualmente en aplicaciones que requieren una alta fiabilidad<\/li><\/ul><p>Los materiales con un alto valor de TG mantienen su integridad estructural durante m\u00faltiples ciclos de reflujo, lo que los hace adecuados para los procesos modernos de montaje superficial (SMT).<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_High_TG_FR4_Matters_in_PCB_Manufacturing\"><\/span>Por qu\u00e9 es importante el FR4 con alto contenido en TG en la fabricaci\u00f3n de placas de circuito impreso<span class=\"ez-toc-section-end\"><\/span><\/h2><p>A medida que los conjuntos de placas de circuito impreso se vuelven m\u00e1s complejos, la tensi\u00f3n t\u00e9rmica durante la producci\u00f3n y el funcionamiento ha aumentado considerablemente.<\/p><p>Los materiales con un alto valor de TG ayudan a reducir:<\/p><ul class=\"wp-block-list\"><li>Descomposici\u00f3n de la resina durante la soldadura<\/li>\n\n<li>Riesgos de delaminaci\u00f3n<\/li>\n\n<li>V\u00eda grietas<\/li>\n\n<li>Deformaciones en estructuras multicapa<\/li><\/ul><p>Adem\u00e1s, mejoran la fiabilidad a largo plazo en entornos adversos.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Electrical_and_Mechanical_Properties\"><\/span>Propiedades el\u00e9ctricas y mec\u00e1nicas<span class=\"ez-toc-section-end\"><\/span><\/h2><p>El FR4 de alto TG suele presentar propiedades el\u00e9ctricas similares a las del FR4 est\u00e1ndar, pero con un mejor comportamiento t\u00e9rmico.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Propiedad<\/th><th>Rango t\u00edpico<\/th><\/tr><tr><td>TG<\/td><td>\u2265170 \u00b0C<\/td><\/tr><tr><td>Constante diel\u00e9ctrica (Dk)<\/td><td>4,2\u20134,7<\/td><\/tr><tr><td>Factor de disipaci\u00f3n (Df)<\/td><td>0,015\u20130,020<\/td><\/tr><tr><td>Expansi\u00f3n t\u00e9rmica (eje Z)<\/td><td>Inferior al FR4 est\u00e1ndar<\/td><\/tr><tr><td>Temperatura de descomposici\u00f3n<\/td><td>~300 \u00b0C<\/td><\/tr><\/tbody><\/table><\/figure><p>La mejora m\u00e1s importante es la reducci\u00f3n de la expansi\u00f3n en el eje Z, lo que repercute directamente en la fiabilidad.<\/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=\"Material para placas de circuito impreso (PCB) FR4 con alto valor de TG\" 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>\u00c1mbitos de aplicaci\u00f3n del FR4 con alto contenido en TG<span class=\"ez-toc-section-end\"><\/span><\/h2><p>El FR4 de alto TG no es necesario para todos los productos, pero resulta imprescindible cuando aumenta la fiabilidad o la temperatura.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Automotive_Electronics\"><\/span>Electr\u00f3nica automotriz<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Los veh\u00edculos modernos dependen en gran medida de sistemas de control electr\u00f3nico expuestos a altas temperaturas bajo el cap\u00f3.<\/p><p>Las aplicaciones incluyen:<\/p><ul class=\"wp-block-list\"><li>Unidades de control del motor (ECU)<\/li>\n\n<li>Sistemas de direcci\u00f3n asistida<\/li>\n\n<li>Sistemas de gesti\u00f3n de bater\u00edas (BMS)<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Power_Electronics\"><\/span>Electr\u00f3nica de potencia<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Los materiales con un TG elevado se utilizan ampliamente en:<\/p><ul class=\"wp-block-list\"><li>Fuentes de alimentaci\u00f3n conmutadas<\/li>\n\n<li>Inversores<\/li>\n\n<li>M\u00f3dulos de potencia industriales<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Communication_Systems\"><\/span>Sistemas de comunicaci\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Se utiliza en:<\/p><ul class=\"wp-block-list\"><li>Placas de estaci\u00f3n base<\/li>\n\n<li>Equipos de infraestructura de red<\/li>\n\n<li>M\u00f3dulos \u00f3pticos<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Server_and_Data_Systems\"><\/span>Servidores y sistemas de datos<span class=\"ez-toc-section-end\"><\/span><\/h3><p>El FR4 de alto TG se encuentra habitualmente en:<\/p><ul class=\"wp-block-list\"><li>Placas base para servidores<\/li>\n\n<li>Sistemas de almacenamiento<\/li>\n\n<li>Placas inform\u00e1ticas de alta densidad<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_Considerations\"><\/span>Consideraciones sobre la fabricaci\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h2><p>El uso de materiales con un TG elevado influye en la fabricaci\u00f3n de placas de circuito impreso de varias maneras.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Drilling_and_Via_Reliability\"><\/span>Fiabilidad del taladrado y de las v\u00edas<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Una menor dilataci\u00f3n del eje Z mejora la fiabilidad de los conductos de inyecci\u00f3n durante los ciclos t\u00e9rmicos.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Lamination_Process\"><\/span>Proceso de laminaci\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Los materiales con un TG elevado suelen requerir:<\/p><ul class=\"wp-block-list\"><li>Mayor presi\u00f3n de laminaci\u00f3n<\/li>\n\n<li>Perfiles de calentamiento controlados<\/li>\n\n<li>Control riguroso del flujo de resina<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Reflow_Resistance\"><\/span>Resistencia al reflujo<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Las placas deben soportar m\u00faltiples ciclos de reflujo SMT sin que se produzcan delaminaciones ni ampollas.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"High_TG_FR4_vs_Standard_FR4\"><\/span>FR4 de alto TG frente a FR4 est\u00e1ndar<span class=\"ez-toc-section-end\"><\/span><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Caracter\u00edstica<\/td><td>FR4 est\u00e1ndar<\/td><td>FR4 de alto TG<\/td><\/tr><tr><td>Valor TG<\/td><td>130\u2013140 \u00b0C<\/td><td>\u2265170 \u00b0C<\/td><\/tr><tr><td>Estabilidad t\u00e9rmica<\/td><td>moderado<\/td><td>alto<\/td><\/tr><tr><td>costo<\/td><td>Baja<\/td><td>Ligeramente m\u00e1s alto<\/td><\/tr><tr><td>Fiabilidad<\/td><td>Uso general<\/td><td>Alta fiabilidad<\/td><\/tr><tr><td>Idoneidad para el montaje superficial (SMT)<\/td><td>B\u00e1sico<\/td><td>Reflujo m\u00faltiple avanzado<\/td><\/tr><\/tbody><\/table><\/figure><p>La diferencia de coste es relativamente peque\u00f1a en comparaci\u00f3n con la mejora en la fiabilidad.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Limitations_of_High_TG_FR4\"><\/span>Limitaciones del FR4 con alto contenido en TG<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Aunque un TG elevado mejora el rendimiento t\u00e9rmico, sigue bas\u00e1ndose en sistemas de resina epoxi.<\/p><p>Las limitaciones incluyen:<\/p><ul class=\"wp-block-list\"><li>Mayor p\u00e9rdida diel\u00e9ctrica a altas frecuencias<\/li>\n\n<li>No apto para dise\u00f1os de microondas<\/li>\n\n<li>Rendimiento limitado por encima de varios GHz<\/li>\n\n<li>La conductividad t\u00e9rmica sigue siendo relativamente baja<\/li><\/ul><p>Para aplicaciones de radiofrecuencia (RF) o de velocidad ultraalta, se prefieren materiales de baja p\u00e9rdida, como Rogers o Megtron.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_Selection_Strategy\"><\/span>Estrategia de selecci\u00f3n de materiales<span class=\"ez-toc-section-end\"><\/span><\/h2><p>En la ingenier\u00eda real de placas de circuito impreso, el FR4 de alta TG suele ser una soluci\u00f3n \u00abintermedia\u00bb.<\/p><p>Una l\u00f3gica de selecci\u00f3n t\u00edpica es la siguiente:<\/p><ul class=\"wp-block-list\"><li>Electr\u00f3nica de bajo coste \u2192 FR4 est\u00e1ndar<\/li>\n\n<li>Industrial \/ automoci\u00f3n \u2192 FR4 de alto TG<\/li>\n\n<li>Alta velocidad \/ RF \u2192 Rogers o PTFE<\/li>\n\n<li>Placas base de velocidad ultraalta \u2192 Series de alta velocidad de Megtron o Isola<\/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=\"Material para placas de circuito impreso (PCB) FR4 con alto valor de TG\" 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>Proveedores habituales de FR4 con alto contenido en TG<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Varios fabricantes de laminados ofrecen materiales con un TG elevado que se utilizan ampliamente:<\/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>Cada proveedor ofrece varios grados de TG para satisfacer distintos requisitos de rendimiento y coste.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>Preguntas m\u00e1s frecuentes<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\">P: \u00bfEl FR4 con alto contenido en TG es siempre mejor que el FR4 est\u00e1ndar?<\/strong> <p class=\"schema-faq-answer\">R: No siempre. Solo es necesario un TG elevado cuando el PCB est\u00e1 expuesto a un mayor estr\u00e9s t\u00e9rmico o a m\u00faltiples ciclos de reflujo.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782283361368\"><strong class=\"schema-faq-question\">P: \u00bfEl FR4 con alto contenido en TG mejora el rendimiento de la se\u00f1al?<\/strong> <p class=\"schema-faq-answer\">R: No de forma significativa. Mejora principalmente la fiabilidad t\u00e9rmica y mec\u00e1nica, m\u00e1s que el rendimiento a alta frecuencia.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782283520743\"><strong class=\"schema-faq-question\">P: \u00bfA partir de qu\u00e9 valor de TG se considera que el TG es elevado?<\/strong> <p class=\"schema-faq-answer\">R: Por lo general, los materiales con una TG \u2265 170 \u00b0C se clasifican como FR4 de alta TG.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782283531090\"><strong class=\"schema-faq-question\">P: \u00bfEl FR4 con alto contenido en TG es m\u00e1s caro?<\/strong> <p class=\"schema-faq-answer\">R: S\u00ed, pero la diferencia de precio suele ser moderada en comparaci\u00f3n con el FR4 est\u00e1ndar.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782283586027\"><strong class=\"schema-faq-question\">P: \u00bfSe puede utilizar FR4 con alto contenido en TG en el dise\u00f1o de placas de circuito impreso de alta velocidad?<\/strong> <p class=\"schema-faq-answer\">R: Se puede utilizar para aplicaciones de velocidad moderada, pero para se\u00f1ales de radiofrecuencia o de velocidad muy alta, es preferible utilizar laminados de baja p\u00e9rdida.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>El FR4 de alto TG est\u00e1 dise\u00f1ado para aplicaciones de placas de circuito impreso que requieren una mayor estabilidad t\u00e9rmica y fiabilidad. Reduce la deformaci\u00f3n, mejora el rendimiento de las v\u00edas y se utiliza ampliamente en los sectores de la automoci\u00f3n, la electr\u00f3nica de potencia y los sistemas de servidores. Sin embargo, para los dise\u00f1os de radiofrecuencia y de alta velocidad, siguen siendo necesarios materiales de baja p\u00e9rdida.<\/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, 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Is high TG FR4 always better than standard FR4?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Not always. High TG is only necessary when the PCB is exposed to higher thermal stress or multiple reflow cycles.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/high-tg-fr4-pcb\/#faq-question-1782283361368","position":2,"url":"https:\/\/www.topfastpcb.com\/blog\/high-tg-fr4-pcb\/#faq-question-1782283361368","name":"Q: Does high TG FR4 improve signal performance?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Not significantly. It mainly improves thermal and mechanical reliability rather than high-frequency performance.","inLanguage":"es"},"inLanguage":"es"},{"@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":"es"},"inLanguage":"es"},{"@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 usually moderate compared to standard FR4.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/high-tg-fr4-pcb\/#faq-question-1782283586027","position":5,"url":"https:\/\/www.topfastpcb.com\/blog\/high-tg-fr4-pcb\/#faq-question-1782283586027","name":"Q: Can high TG FR4 be used in high-speed PCB design?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: It can be used for moderate high-speed applications, but for RF or very high-speed signals, low-loss laminates are preferred.","inLanguage":"es"},"inLanguage":"es"}]}},"_links":{"self":[{"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/posts\/5893","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/comments?post=5893"}],"version-history":[{"count":1,"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/posts\/5893\/revisions"}],"predecessor-version":[{"id":5898,"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/posts\/5893\/revisions\/5898"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/media\/5897"}],"wp:attachment":[{"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/media?parent=5893"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/categories?post=5893"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/tags?post=5893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}