{"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\/es\/blog\/key-parameters-of-pcb-circuit-boards\/","title":{"rendered":"Par\u00e1metros clave de las placas de circuito impreso"},"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\">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\/key-parameters-of-pcb-circuit-boards\/#Detailed_Explanation_of_Key_PCB_Parameters\" >Explicaci\u00f3n detallada de los principales par\u00e1metros de la placa de circuito impreso<\/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\/es\/blog\/key-parameters-of-pcb-circuit-boards\/#1_Electrical_Performance_Parameters\" >1. Par\u00e1metros de rendimiento el\u00e9ctrico<\/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\/es\/blog\/key-parameters-of-pcb-circuit-boards\/#2_Thermal_Performance_Parameters\" >2. Par\u00e1metros de rendimiento t\u00e9rmico<\/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\/key-parameters-of-pcb-circuit-boards\/#3_Mechanical_Performance_Parameters\" >3. Par\u00e1metros de rendimiento mec\u00e1nico<\/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\/key-parameters-of-pcb-circuit-boards\/#4_Structural_Characteristics\" >4. 4. Caracter\u00edsticas estructurales<\/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\/es\/blog\/key-parameters-of-pcb-circuit-boards\/#5_Reliability_Testing_Metrics\" >5. M\u00e9tricas de las pruebas de fiabilidad<\/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\/es\/blog\/key-parameters-of-pcb-circuit-boards\/#6_Environmental_Process_Compliance\" >6. Cumplimiento medioambiental y de procesos<\/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\/es\/blog\/key-parameters-of-pcb-circuit-boards\/#PCB_Board_Classification_and_Selection\" >Clasificaci\u00f3n y selecci\u00f3n de placas de circuito impreso<\/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\/key-parameters-of-pcb-circuit-boards\/#1_Common_PCB_Materials\" >1. Materiales comunes de PCB<\/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\/key-parameters-of-pcb-circuit-boards\/#2_PCB_Material_Grades_Comparison\" >2. Comparaci\u00f3n de los grados de material de los PCB<\/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\/key-parameters-of-pcb-circuit-boards\/#3_How_to_Choose_the_Right_PCB_Material\" >3. \u00bfC\u00f3mo elegir el material de PCB adecuado?<\/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>Explicaci\u00f3n detallada de los principales par\u00e1metros de la placa de circuito impreso<\/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. Par\u00e1metros de rendimiento el\u00e9ctrico<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>Las propiedades el\u00e9ctricas de una placa de circuito impreso afectan directamente a la integridad de la se\u00f1al, especialmente en circuitos de alta frecuencia y alta velocidad.<\/p><ul class=\"wp-block-list\"><li><strong>Constante diel\u00e9ctrica (Dk)<\/strong> - Mide la capacidad de un material para almacenar energ\u00eda el\u00e9ctrica. Los valores Dk m\u00e1s bajos (por ejemplo, PTFE con Dk\u22482,2) permiten una transmisi\u00f3n m\u00e1s r\u00e1pida de la se\u00f1al, lo que los hace ideales para aplicaciones 5G y de ondas milim\u00e9tricas.<\/li>\n\n<li><strong>Factor de disipaci\u00f3n (Df\/Tangente de p\u00e9rdida)<\/strong> - Indica p\u00e9rdida de energ\u00eda de la se\u00f1al. Las aplicaciones de alta frecuencia (por ejemplo, radar, comunicaci\u00f3n por sat\u00e9lite) requieren Df &lt; 0,005.<\/li>\n\n<li><strong>Resistividad superficie\/volumen<\/strong> - La alta resistencia del aislamiento (&gt;10\u00b9\u00b2 \u03a9-cm) evita las corrientes de fuga, cruciales para las placas de circuito impreso de alta tensi\u00f3n (por ejemplo, m\u00f3dulos de potencia).<\/li>\n\n<li><strong>Tensi\u00f3n de ruptura<\/strong> - El FR4 est\u00e1ndar soporta \u226520 kV\/mm, mientras que los sustratos cer\u00e1micos pueden soportar hasta 50 kV\/mm.<\/li>\n\n<li><strong>Control de la impedancia<\/strong> - Las placas de circuito impreso de alta velocidad (por ejemplo, DDR5, PCIe 6.0) requieren una tolerancia de impedancia ajustada (\u00b15%) para minimizar las reflexiones de se\u00f1al.<\/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=\"Par\u00e1metros PCB\" 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. Par\u00e1metros de rendimiento t\u00e9rmico<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>La resistencia al calor de una placa de circuito impreso determina su fiabilidad en entornos de altas temperaturas, especialmente para la soldadura sin plomo y la estabilidad a largo plazo.<\/p><ul class=\"wp-block-list\"><li><strong>Temperatura de transici\u00f3n v\u00edtrea (Tg)<\/strong> - El FR4 est\u00e1ndar tiene Tg\u2248130\u00b0C, mientras que los PCB de alta Tg (Tg\u2265170\u00b0C) se utilizan en electr\u00f3nica militar y de automoci\u00f3n.<\/li>\n\n<li><strong>Temperatura de descomposici\u00f3n t\u00e9rmica (Td)<\/strong> - Los materiales con Td &gt; 325\u00b0C (por ejemplo, Isola 370HR) son preferibles para la soldadura sin plomo.<\/li>\n\n<li><strong>Conductividad t\u00e9rmica<\/strong> - El FR4 tiene una conductividad t\u00e9rmica baja (~0,3 W\/m-K), mientras que las placas de circuito impreso con n\u00facleo met\u00e1lico (por ejemplo, aluminio) pueden alcanzar los 10 W\/m-K, lo que las hace ideales para la refrigeraci\u00f3n de LED.<\/li>\n\n<li><strong>Coeficiente de expansi\u00f3n t\u00e9rmica (CTE)<\/strong> - El CTE del eje Z debe ser &lt;50 ppm\/\u00b0C para evitar la delaminaci\u00f3n en placas de circuito impreso multicapa (los sustratos de CI requieren un CTE\u22486 ppm\/\u00b0C).<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Mechanical_Performance_Parameters\"><\/span><strong>3. Par\u00e1metros de rendimiento mec\u00e1nico<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>La resistencia mec\u00e1nica influye en los procesos de montaje y en la durabilidad a largo plazo.<\/p><ul class=\"wp-block-list\"><li><strong>Resistencia a la flexi\u00f3n<\/strong> - El FR4 est\u00e1ndar oscila entre 400 y 600 MPa, mientras que los PCB flexibles (poliimida) requieren &gt;200 MPa.<\/li>\n\n<li><strong>Fuerza de exfoliaci\u00f3n<\/strong> - La adherencia del cobre debe ser superior a 1,0 N\/mm (norma IPC) para evitar el desprendimiento de la l\u00e1mina durante la soldadura.<\/li>\n\n<li><strong>Absorci\u00f3n de agua<\/strong> - La baja absorci\u00f3n de humedad (&lt;0,2%) evita la formaci\u00f3n de ampollas; los laminados de alta frecuencia suelen mantener &lt;0,1%.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Structural_Characteristics\"><\/span><strong>4. 4. Caracter\u00edsticas estructurales<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>La precisi\u00f3n de fabricaci\u00f3n es fundamental para <a href=\"https:\/\/www.topfastpcb.com\/es\/products\/hdi-pcb\/\">interconexi\u00f3n de alta densidad (HDI)<\/a> y dise\u00f1os miniaturizados.<\/p><ul class=\"wp-block-list\"><li><strong>Tolerancia del espesor del cobre<\/strong> - El cobre est\u00e1ndar de 1 onza tiene una tolerancia de \u00b110%, mientras que los circuitos de precisi\u00f3n requieren \u00b15%.<\/li>\n\n<li><strong>Precisi\u00f3n de registro entre capas<\/strong> - Las placas de circuito impreso HDI exigen una alineaci\u00f3n &lt;25 \u03bcm, mientras que las placas multicapa est\u00e1ndar permiten &lt;50 \u03bcm.<\/li>\n\n<li><strong>Traza\/espacio m\u00ednimo (L\/S)<\/strong> - Los PCB est\u00e1ndar utilizan 0,1 mm\/0,1 mm, mientras que los sustratos de CI avanzados alcanzan los 20 \u03bcm\/20 \u03bcm.<\/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=\"Par\u00e1metros PCB\" 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. M\u00e9tricas de las pruebas de fiabilidad<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>Los PCB deben superar rigurosas pruebas para garantizar su estabilidad a largo plazo.<\/p><ul class=\"wp-block-list\"><li><strong>Resistencia del filamento an\u00f3dico conductor (CAF)<\/strong> - Eval\u00faa los riesgos de cortocircuito en condiciones de humedad (85\u00b0C\/85% HR durante 1000 horas).<\/li>\n\n<li><strong>Resistencia de aislamiento superficial (SIR)<\/strong> - Debe superar los 10\u2078 \u03a9 (seg\u00fan las normas JIS).<\/li>\n\n<li><strong>Ensayo de ciclos t\u00e9rmicos<\/strong> - Resiste 100 ciclos (de -55\u00b0C a 125\u00b0C) sin agrietarse (los PCB de automoci\u00f3n requieren pruebas m\u00e1s estrictas).<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Environmental_Process_Compliance\"><\/span><strong>6. Cumplimiento medioambiental y de procesos<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>Las normativas medioambientales (por ejemplo, RoHS, REACH) impulsan los avances en materiales para PCB.<\/p><ul class=\"wp-block-list\"><li><strong>\u00cdndice de Seguimiento Comparativo (ISC)<\/strong> - Los dispositivos m\u00e9dicos necesitan la Clase 3 (400-600 V), mientras que los controles industriales requieren la Clase 2.<\/li>\n\n<li><strong>Sin hal\u00f3genos<\/strong> - El contenido de cloro\/bromo debe ser &lt;900 ppm para reducir las emisiones t\u00f3xicas.<\/li>\n\n<li><strong>Ign\u00edfugo (UL94)<\/strong> - V-0 es la clasificaci\u00f3n m\u00e1s alta, obligatoria para aplicaciones aeroespaciales.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PCB_Board_Classification_and_Selection\"><\/span><strong>Clasificaci\u00f3n y selecci\u00f3n de placas de circuito impreso<\/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. Materiales comunes de PCB<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>FR4<\/strong> - Laminado epoxi-vidrio est\u00e1ndar para electr\u00f3nica de consumo.<\/li>\n\n<li><strong>CEM-3<\/strong> - Sustrato compuesto, rentable para placas de circuito impreso sencillas de doble cara.<\/li>\n\n<li><strong><a href=\"https:\/\/www.topfastpcb.com\/es\/products\/high-tg-rigid-pcb\/\">PCB de alta Tg<\/a> (Tg\u2265170\u00b0C)<\/strong> - Resistente al calor para uso automovil\u00edstico y militar.<\/li>\n\n<li><strong>Laminados de alta frecuencia (por ejemplo, Rogers RO4003C)<\/strong> - Dk\/Df bajo para aplicaciones 5G\/radar.<\/li>\n\n<li><strong><a href=\"https:\/\/www.topfastpcb.com\/es\/products\/metal-core-pcb\/\">Placas de circuito impreso con n\u00facleo met\u00e1lico<\/a> (Aluminio\/Cobre)<\/strong> - Excelente gesti\u00f3n t\u00e9rmica para LED y m\u00f3dulos de potencia.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_PCB_Material_Grades_Comparison\"><\/span><strong>2. Comparaci\u00f3n de los grados de material de los PCB<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Calidad del material<\/th><th>Caracter\u00edsticas<\/th><th>Aplicaciones t\u00edpicas<\/th><\/tr><\/thead><tbody><tr><td><strong>94HB<\/strong><\/td><td>A base de papel, no ign\u00edfugo<\/td><td>Electr\u00f3nica de consumo de bajo coste<\/td><\/tr><tr><td><strong>94V0<\/strong><\/td><td>Sustrato de papel ign\u00edfugo<\/td><td>Tarjetas de control de electrodom\u00e9sticos<\/td><\/tr><tr><td><strong>CEM-1<\/strong><\/td><td>Fibra de vidrio de una cara<\/td><td>Circuitos sencillos<\/td><\/tr><tr><td><strong>CEM-3<\/strong><\/td><td>Semicristal doble cara<\/td><td>Placas de circuito impreso de doble capa y bajo coste<\/td><\/tr><tr><td><strong>FR4<\/strong><\/td><td>Fibra de vidrio est\u00e1ndar<\/td><td>Electr\u00f3nica de consumo, controles industriales<\/td><\/tr><tr><td><strong>FR4 de alta Tg<\/strong><\/td><td>Resistente a altas temperaturas<\/td><td>Automoci\u00f3n, aeroespacial<\/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=\"Par\u00e1metros PCB\" 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. \u00bfC\u00f3mo elegir el material de PCB adecuado?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Aplicaciones de alta frecuencia<\/strong> \u2192 Materiales de baja Dk\/Df (Rogers, Taconic).<\/li>\n\n<li><strong>Entornos de alta temperatura<\/strong> \u2192 Materiales de alta Tg (\u2265170\u00b0C) o alta Td (&gt;325\u00b0C).<\/li>\n\n<li><strong>Disipaci\u00f3n de calor de alta potencia<\/strong> \u2192 N\u00facleo met\u00e1lico o FR4 de alta conductividad t\u00e9rmica.<\/li>\n\n<li><strong>Requisitos ecol\u00f3gicos<\/strong> \u2192 Materiales libres de hal\u00f3genos y conformes con RoHS.<\/li><\/ul><p>La selecci\u00f3n de los par\u00e1metros de la placa de circuito impreso afecta directamente al rendimiento, la fiabilidad y el coste del producto. Los ingenieros deben seleccionar los materiales de placa adecuados (como FR4, CEM-3, PCB de alta Tg, etc.) en funci\u00f3n de la aplicaci\u00f3n (alta frecuencia, alta temperatura, alta potencia, etc.) y optimizar el dise\u00f1o para mejorar la integridad de la se\u00f1al, la capacidad de disipaci\u00f3n t\u00e9rmica y la resistencia mec\u00e1nica.<\/p>","protected":false},"excerpt":{"rendered":"<p>El rendimiento de las placas de circuito impreso depende de varios par\u00e1metros clave, como la constante diel\u00e9ctrica (valor DK), la temperatura de transici\u00f3n v\u00edtrea (Tg), la resistencia t\u00e9rmica (Td), el CTI (\u00edndice de fluencia) y el CTE (coeficiente de expansi\u00f3n t\u00e9rmica). Los distintos materiales de las placas (como FR4, CEM-3 y PCB de alta Tg) son adecuados para diferentes aplicaciones, como las comunicaciones de alta frecuencia, la electr\u00f3nica del autom\u00f3vil o los equipos de alta potencia.<\/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\/es\/blog\/key-parameters-of-pcb-circuit-boards\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Key parameters of PCB circuit boards - Topfastpcb\" \/>\n<meta property=\"og: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 property=\"og:url\" content=\"https:\/\/www.topfastpcb.com\/es\/blog\/key-parameters-of-pcb-circuit-boards\/\" \/>\n<meta property=\"og:site_name\" content=\"Topfastpcb\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-03T00:54:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"402\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u6258\u666e\u6cd5\u65af\u7279\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6258\u666e\u6cd5\u65af\u7279\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/\"},\"author\":{\"name\":\"\u6258\u666e\u6cd5\u65af\u7279\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a\"},\"headline\":\"Key parameters of PCB circuit boards\",\"datePublished\":\"2025-08-03T00:54:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/\"},\"wordCount\":653,\"publisher\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-2.jpg\",\"keywords\":[\"PCB parameters\"],\"articleSection\":[\"Knowledge\"],\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/\",\"name\":\"Key parameters of PCB circuit boards - Topfastpcb\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-2.jpg\",\"datePublished\":\"2025-08-03T00:54:00+00:00\",\"description\":\"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.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#primaryimage\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-2.jpg\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-2.jpg\",\"width\":600,\"height\":402,\"caption\":\"PCB parameters\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.topfastpcb.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Key parameters of PCB circuit boards\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.topfastpcb.com\/#website\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"name\":\"Topfastpcb\",\"description\":\"Topfast Prime Choice for Global Electronics Manufacturing\",\"publisher\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.topfastpcb.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\",\"name\":\"Topfastpcb\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png\",\"width\":144,\"height\":56,\"caption\":\"Topfastpcb\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a\",\"name\":\"\u6258\u666e\u6cd5\u65af\u7279\",\"sameAs\":[\"http:\/\/www.topfastpcb.com\"],\"url\":\"https:\/\/www.topfastpcb.com\/es\/blog\/author\/admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Key parameters of PCB circuit boards - Topfastpcb","description":"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.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.topfastpcb.com\/es\/blog\/key-parameters-of-pcb-circuit-boards\/","og_locale":"es_ES","og_type":"article","og_title":"Key parameters of PCB circuit boards - Topfastpcb","og_description":"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.","og_url":"https:\/\/www.topfastpcb.com\/es\/blog\/key-parameters-of-pcb-circuit-boards\/","og_site_name":"Topfastpcb","article_published_time":"2025-08-03T00:54:00+00:00","og_image":[{"width":600,"height":402,"url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-2.jpg","type":"image\/jpeg"}],"author":"\u6258\u666e\u6cd5\u65af\u7279","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"\u6258\u666e\u6cd5\u65af\u7279","Tiempo de lectura":"4 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#article","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/"},"author":{"name":"\u6258\u666e\u6cd5\u65af\u7279","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a"},"headline":"Key parameters of PCB circuit boards","datePublished":"2025-08-03T00:54:00+00:00","mainEntityOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/"},"wordCount":653,"publisher":{"@id":"https:\/\/www.topfastpcb.com\/#organization"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-2.jpg","keywords":["PCB parameters"],"articleSection":["Knowledge"],"inLanguage":"es"},{"@type":"WebPage","@id":"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/","url":"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/","name":"Key parameters of PCB circuit boards - Topfastpcb","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#primaryimage"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-2.jpg","datePublished":"2025-08-03T00:54:00+00:00","description":"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.","breadcrumb":{"@id":"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/"]}]},{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#primaryimage","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-2.jpg","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-2.jpg","width":600,"height":402,"caption":"PCB parameters"},{"@type":"BreadcrumbList","@id":"https:\/\/www.topfastpcb.com\/blog\/key-parameters-of-pcb-circuit-boards\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.topfastpcb.com\/"},{"@type":"ListItem","position":2,"name":"Key parameters of PCB circuit boards"}]},{"@type":"WebSite","@id":"https:\/\/www.topfastpcb.com\/#website","url":"https:\/\/www.topfastpcb.com\/","name":"Topfastpcb","description":"Topfast Prime Choice for Global Electronics Manufacturing","publisher":{"@id":"https:\/\/www.topfastpcb.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.topfastpcb.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Organization","@id":"https:\/\/www.topfastpcb.com\/#organization","name":"Topfastpcb","url":"https:\/\/www.topfastpcb.com\/","logo":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png","width":144,"height":56,"caption":"Topfastpcb"},"image":{"@id":"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a","name":"\u6258\u666e\u6cd5\u65af\u7279","sameAs":["http:\/\/www.topfastpcb.com"],"url":"https:\/\/www.topfastpcb.com\/es\/blog\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/posts\/3754","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=3754"}],"version-history":[{"count":1,"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/posts\/3754\/revisions"}],"predecessor-version":[{"id":3760,"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/posts\/3754\/revisions\/3760"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/media\/3759"}],"wp:attachment":[{"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/media?parent=3754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/categories?post=3754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/es\/wp-json\/wp\/v2\/tags?post=3754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}