{"id":3554,"date":"2025-07-08T08:26:00","date_gmt":"2025-07-08T00:26:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=3554"},"modified":"2025-07-07T19:41:46","modified_gmt":"2025-07-07T11:41:46","slug":"what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/es\/blog\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/","title":{"rendered":"\u00bfCu\u00e1l es el grosor est\u00e1ndar de la capa de cobre de una placa de circuito impreso?"},"content":{"rendered":"<p>A la hora de dise\u00f1ar placas de circuitos impresos, el grosor del cobre no es s\u00f3lo una cifra; es la clave del rendimiento de la placa.<\/p><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\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#The_Copper_Thickness_Spectrum_From_Standard_to_Heavy\" >El espectro del espesor del cobre: De est\u00e1ndar a pesado<\/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\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#Standard_Thicknesses_90_of_boards_use_these\" >Espesores est\u00e1ndar (el 90% de los tableros los utilizan):<\/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\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#Heavy_Copper_Options_for_demanding_applications\" >Opciones de cobre pesado (para aplicaciones exigentes):<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/es\/blog\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#Current_carrying_capacity_calculation_formula\" >F\u00f3rmula de c\u00e1lculo de la capacidad de transporte de corriente<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/es\/blog\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#Choosing_Your_Copper_Weight_A_Decision_Matrix\" >Elegir el peso del cobre: Una matriz de decisiones<\/a><\/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\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#Manufacturing_process_limitations\" >Limitaciones del proceso de fabricaci\u00f3n<\/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\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#Pro_Tips_from_Industry_Veterans\" >Consejos profesionales de veteranos del sector<\/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\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#The_Future_Thinner_and_Thicker\" >El futuro: Cada vez m\u00e1s fino<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Copper_Thickness_Spectrum_From_Standard_to_Heavy\"><\/span>El espectro del espesor del cobre: De est\u00e1ndar a pesado<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_Thicknesses_90_of_boards_use_these\"><\/span>Espesores est\u00e1ndar (el 90% de los tableros los utilizan):<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>1oz (35\u03bcm)<\/strong>: El caballo de batalla de la industria<\/li>\n\n<li>Se utiliza en el 70% de los aparatos electr\u00f3nicos de consumo<\/li>\n\n<li>Maneja ~1 A por 1 mm de ancho de traza (capa exterior)<\/li>\n\n<li><strong>2oz (70\u03bcm)<\/strong>: El jugador poderoso<\/li>\n\n<li>Com\u00fan en controles de automoci\u00f3n e industriales<\/li>\n\n<li>Transporta 2-3 veces m\u00e1s corriente que 1oz<\/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\/07\/PCB-copper-thickness-1.jpg\" alt=\"Espesor del cobre del circuito impreso\" class=\"wp-image-3555\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-copper-thickness-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-copper-thickness-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-copper-thickness-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Heavy_Copper_Options_for_demanding_applications\"><\/span>Opciones de cobre pesado (para aplicaciones exigentes):<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>3oz (105\u03bcm)<\/strong>: Especialistas en alta corriente<\/li>\n\n<li>Fuentes de alimentaci\u00f3n, controladores de motor<\/li>\n\n<li>Reduce la resistencia t\u00e9rmica en un 30% frente a 1oz<\/li>\n\n<li><strong>4-6oz (140-210\u03bcm)<\/strong>: Aplicaciones extremas<\/li>\n\n<li>Sistemas de gesti\u00f3n de bater\u00edas de veh\u00edculos el\u00e9ctricos<\/li>\n\n<li>Convertidores de potencia industriales<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Current_carrying_capacity_calculation_formula\"><\/span>F\u00f3rmula de c\u00e1lculo de la capacidad de transporte de corriente<span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>M\u00e9todo de c\u00e1lculo r\u00e1pido (seg\u00fan IPC-2152):<\/strong><\/p><pre class=\"wp-block-code\"><code>I = K \u00d7 (\u0394T)^0,44 \u00d7 (A)^0,75<\/code><\/pre><p>Donde:<\/p><ul class=\"wp-block-list\"><li>I = Corriente (amperios)<\/li>\n\n<li>K = 0,048 (exterior) o 0,024 (interior)<\/li>\n\n<li>\u0394T = Aumento de temperatura (\u00b0C)<\/li>\n\n<li>A = Secci\u00f3n transversal (millas cuadradas)<\/li><\/ul><p><strong>Un ejemplo real:<\/strong><br>Un trazo exterior de 2oz y 2mm de ancho a 20\u00b0C de subida:<br>= 0.048 \u00d7 (20)^0.44 \u00d7 (59)^0.75 \u2248 4.5A<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choosing_Your_Copper_Weight_A_Decision_Matrix\"><\/span>Elegir el peso del cobre: Una matriz de decisiones<span class=\"ez-toc-section-end\"><\/span><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Aplicaci\u00f3n<\/th><th>Grosor recomendado<\/th><th>\u00bfPor qu\u00e9?<\/th><\/tr><\/thead><tbody><tr><td>Smartphone PCB<\/td><td>1oz (35\u03bcm)<\/td><td>Rentabilidad, espacio limitado<\/td><\/tr><tr><td>Controladores LED<\/td><td>2oz (70\u03bcm)<\/td><td>Mejor disipaci\u00f3n del calor<\/td><\/tr><tr><td>ECU de automoci\u00f3n<\/td><td>2-3oz (70-105\u03bcm)<\/td><td>Resistencia a las vibraciones<\/td><\/tr><tr><td>Fuentes de alimentaci\u00f3n para servidores<\/td><td>3-4oz (105-140\u03bcm)<\/td><td>Manejo de altas corrientes<\/td><\/tr><\/tbody><\/table><\/figure><p><a href=\"https:\/\/www.topfastpcb.com\/es\/contact\/\">Consulte a un ingeniero profesional sobre c\u00f3mo seleccionar el espesor del cobre<\/a><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_process_limitations\"><\/span>Limitaciones del proceso de fabricaci\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li><strong>Desaf\u00edos del grabado<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>El cobre de 4 onzas requiere trazas un 50% m\u00e1s anchas que el de 1 onza<\/li>\n\n<li>La separaci\u00f3n m\u00ednima pasa de 0,1 mm a 0,3 mm<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Impacto en los costes<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Las tablas de 4 onzas cuestan entre un 40 y un 60% m\u00e1s que las de 1 onza<\/li>\n\n<li>Los plazos de entrega aumentan 2-3 d\u00edas<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Apilamiento de capas<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Los dise\u00f1os de grosor mixto necesitan un apilamiento sim\u00e9trico<\/li>\n\n<li>Ejemplo de s\u00e1ndwich de 6 capas:<br>[1oz &#8211; prepreg &#8211; 2oz core &#8211; prepreg &#8211; 1oz]<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pro_Tips_from_Industry_Veterans\"><\/span>Consejos profesionales de veteranos del sector<span class=\"ez-toc-section-end\"><\/span><\/h2><ol class=\"wp-block-list\"><li><strong>Los dise\u00f1os h\u00edbridos ahorran dinero<\/strong><br>Utilice cobre grueso s\u00f3lo en las v\u00edas de alimentaci\u00f3n (por ejemplo, 3 onzas) y 1 onza para las se\u00f1ales.<\/li>\n\n<li><strong>Control de la impedancia<\/strong><br>Para l\u00edneas de 50\u03a9 a 1oz:<\/li><\/ol><ul class=\"wp-block-list\"><li>FR4: traza de 1,6 mm sobre diel\u00e9ctrico de 0,2 mm<\/li>\n\n<li>Rogers 4350: traza de 1,2 mm sobre diel\u00e9ctrico de 0,15 mm<\/li><\/ul><ol class=\"wp-block-list\"><li><strong>Gesti\u00f3n t\u00e9rmica<\/strong><br>Una placa de masa de 2 onzas reduce la temperatura de los puntos calientes entre 15 y 20 \u00b0C frente a una de 1 onza.<\/li><\/ol><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Future_Thinner_and_Thicker\"><\/span>El futuro: Cada vez m\u00e1s fino<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Las nuevas tendencias muestran dos caminos divergentes:<\/p><ul class=\"wp-block-list\"><li><strong>Ultrafino (12\u03bcm)<\/strong>: Para electr\u00f3nica flexible y 5G mmWave<\/li>\n\n<li><strong>Ultragrueso (10oz+)<\/strong>: Para m\u00f3dulos de potencia de nueva generaci\u00f3n en sistemas de energ\u00edas renovables<\/li><\/ul><p><\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Normas de grosor de la l\u00e1mina de cobre de PCB (35\u03bcm-210\u03bcm), incluidas las f\u00f3rmulas de capacidad de transporte de corriente IPC-2152, impacto en la integridad de la se\u00f1al, soluciones de gesti\u00f3n t\u00e9rmica y estrategias de selecci\u00f3n del grosor del cobre para aplicaciones t\u00edpicas como electr\u00f3nica de consumo, electr\u00f3nica de automoci\u00f3n y equipos de alta potencia.<\/p>","protected":false},"author":1,"featured_media":3556,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[109],"tags":[111,319],"class_list":["post-3554","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","tag-pcb","tag-pcb-copper-thickness"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the standard thickness of the copper layer on a PCB? - Topfastpcb<\/title>\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\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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