{"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\/de\/blog\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/","title":{"rendered":"Was ist die Standarddicke der Kupferschicht auf einer Leiterplatte?"},"content":{"rendered":"<p>Bei der Entwicklung von Leiterplatten ist die Kupferdicke nicht nur eine Zahl, sondern das Lebenselixier f\u00fcr die Leistung Ihrer Leiterplatte.<\/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\">Inhalts\u00fcbersicht<\/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\/de\/blog\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#The_Copper_Thickness_Spectrum_From_Standard_to_Heavy\" >Das Kupferdickenspektrum: Von Standard bis schwer<\/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\/de\/blog\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#Standard_Thicknesses_90_of_boards_use_these\" >Standarddicken (90% der Platten verwenden diese):<\/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\/de\/blog\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#Heavy_Copper_Options_for_demanding_applications\" >Starke Kupferoptionen (f\u00fcr anspruchsvolle Anwendungen):<\/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\/de\/blog\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#Current_carrying_capacity_calculation_formula\" >Formel zur Berechnung der Strombelastbarkeit<\/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\/de\/blog\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#Choosing_Your_Copper_Weight_A_Decision_Matrix\" >W\u00e4hlen Sie Ihr Kupfergewicht: Eine Entscheidungsmatrix<\/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\/de\/blog\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#Manufacturing_process_limitations\" >Grenzen des Herstellungsprozesses<\/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\/de\/blog\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#Pro_Tips_from_Industry_Veterans\" >Profi-Tipps von Branchenveteranen<\/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\/de\/blog\/what-is-the-standard-thickness-of-the-copper-layer-on-a-pcb\/#The_Future_Thinner_and_Thicker\" >Die Zukunft: D\u00fcnner und dicker<\/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>Das Kupferdickenspektrum: Von Standard bis schwer<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>Standarddicken (90% der Platten verwenden diese):<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>1 Unze (35\u03bcm)<\/strong>: Das Arbeitspferd der Industrie<\/li>\n\n<li>Wird in 70 % der Unterhaltungselektronik verwendet<\/li>\n\n<li>Verarbeitet ~1A pro 1mm Leiterbahnbreite (\u00e4u\u00dfere Schicht)<\/li>\n\n<li><strong>2oz (70\u03bcm)<\/strong>: Der Powerplayer<\/li>\n\n<li>\u00dcblich in Automobil- und Industriesteuerungen<\/li>\n\n<li>Tr\u00e4gt 2-3x mehr Strom als 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=\"PCB-Kupferst\u00e4rke\" 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>Starke Kupferoptionen (f\u00fcr anspruchsvolle Anwendungen):<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>3oz (105\u03bcm)<\/strong>: Hochstrom-Spezialisten<\/li>\n\n<li>Stromversorgungen, Motorsteuerungen<\/li>\n\n<li>Reduziert den W\u00e4rmewiderstand um 30 % gegen\u00fcber 1 Unze<\/li>\n\n<li><strong>4-6oz (140-210\u03bcm)<\/strong>: Extreme Anwendungen<\/li>\n\n<li>EV-Batterie-Management-Systeme<\/li>\n\n<li>Industrielle Stromwandler<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Current_carrying_capacity_calculation_formula\"><\/span>Formel zur Berechnung der Strombelastbarkeit<span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>Schnelle Berechnungsmethode (nach IPC-2152):<\/strong><\/p><pre class=\"wp-block-code\"><code>I = K \u00d7 (\u0394T)^0,44 \u00d7 (A)^0,75<\/code><\/pre><p>Wo:<\/p><ul class=\"wp-block-list\"><li>I = Stromst\u00e4rke (Ampere)<\/li>\n\n<li>K = 0,048 (au\u00dfen) oder 0,024 (innen)<\/li>\n\n<li>\u0394T = Temperaturanstieg (\u00b0C)<\/li>\n\n<li>A = Querschnitt (Quadratmeilen)<\/li><\/ul><p><strong>Ein Beispiel aus der Praxis:<\/strong><br>Eine 2oz, 2mm breite \u00e4u\u00dfere Spur bei 20\u00b0C Anstieg:<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>W\u00e4hlen Sie Ihr Kupfergewicht: Eine Entscheidungsmatrix<span class=\"ez-toc-section-end\"><\/span><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Anmeldung<\/th><th>Empfohlene Schichtdicke<\/th><th>Warum?<\/th><\/tr><\/thead><tbody><tr><td>Smartphone-Leiterplatte<\/td><td>1 Unze (35\u03bcm)<\/td><td>Kosteng\u00fcnstig, platzbeschr\u00e4nkt<\/td><\/tr><tr><td>LED-Treiber<\/td><td>2oz (70\u03bcm)<\/td><td>Bessere W\u00e4rmeableitung<\/td><\/tr><tr><td>Kfz-ECUs<\/td><td>2-3 Unzen (70-105\u03bcm)<\/td><td>Vibrationsfestigkeit<\/td><\/tr><tr><td>Server-Stromversorgungen<\/td><td>3-4oz (105-140\u03bcm)<\/td><td>Hohe Strombelastbarkeit<\/td><\/tr><\/tbody><\/table><\/figure><p><a href=\"https:\/\/www.topfastpcb.com\/de\/contact\/\">Wenden Sie sich an einen professionellen Ingenieur, um die Kupferdicke zu bestimmen.<\/a><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_process_limitations\"><\/span>Grenzen des Herstellungsprozesses<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li><strong>Radierung Herausforderungen<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>4 Unzen Kupfer erfordern 50% breitere Spuren als 1 Unze<\/li>\n\n<li>Der Mindestabstand erh\u00f6ht sich von 0,1 mm auf 0,3 mm.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Auswirkungen auf die Kosten<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>4oz-Platten kosten 40-60% mehr als 1oz-Platten.<\/li>\n\n<li>Die Durchlaufzeiten erh\u00f6hen sich um 2-3 Tage<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Stapeln von Schichten<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Konstruktionen mit unterschiedlichen Dicken m\u00fcssen symmetrisch gestapelt werden<\/li>\n\n<li>Beispiel f\u00fcr ein 6-lagiges Sandwich:<br>[1oz &#8211; Prepreg &#8211; 2oz Kern &#8211; Prepreg &#8211; 1oz]<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pro_Tips_from_Industry_Veterans\"><\/span>Profi-Tipps von Branchenveteranen<span class=\"ez-toc-section-end\"><\/span><\/h2><ol class=\"wp-block-list\"><li><strong>Hybride Designs sparen Geld<\/strong><br>Verwenden Sie dickes Kupfer nur in Stromleitungen (z. B. 3 Unzen) und 1 Unze f\u00fcr Signale.<\/li>\n\n<li><strong>Impedanzkontrolle<\/strong><br>F\u00fcr 50\u03a9-Leitungen bei 1 Unze:<\/li><\/ol><ul class=\"wp-block-list\"><li>FR4: 1,6mm Leiterbahn \u00fcber 0,2mm Dielektrikum<\/li>\n\n<li>Rogers 4350: 1,2mm Leiterbahn \u00fcber 0,15mm Dielektrikum<\/li><\/ul><ol class=\"wp-block-list\"><li><strong>Thermisches Management<\/strong><br>Eine 2 Unzen Grundplatte reduziert die Hot-Spot-Temperaturen um 15-20\u00b0C gegen\u00fcber 1 Unze<\/li><\/ol><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Future_Thinner_and_Thicker\"><\/span>Die Zukunft: D\u00fcnner und dicker<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Die sich abzeichnenden Trends zeigen zwei unterschiedliche Wege auf:<\/p><ul class=\"wp-block-list\"><li><strong>Ultrad\u00fcnn (12\u03bcm)<\/strong>: F\u00fcr flexible Elektronik und 5G mmWave<\/li>\n\n<li><strong>Ultradick (10oz+)<\/strong>: F\u00fcr Leistungsmodule der n\u00e4chsten Generation in erneuerbaren Energiesystemen<\/li><\/ul><p><\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>PCB-Kupferfoliendickenstandards (35\u03bcm-210\u03bcm), einschlie\u00dflich IPC-2152-Strombelastbarkeitsformeln, Auswirkungen auf die Signalintegrit\u00e4t, W\u00e4rmemanagementl\u00f6sungen und Strategien zur Auswahl der Kupferdicke f\u00fcr typische Anwendungen wie Unterhaltungselektronik, Automobilelektronik und Hochleistungsger\u00e4te.<\/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? 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