{"id":3727,"date":"2025-07-30T17:42:23","date_gmt":"2025-07-30T09:42:23","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=3727"},"modified":"2025-07-30T17:45:43","modified_gmt":"2025-07-30T09:45:43","slug":"minimum-line-width-and-line-spacing-for-pcb-circuit-boards","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/","title":{"rendered":"Largeur de ligne et espacement de ligne minimaux pour le PCB"},"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\">Table des mati\u00e8res<\/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\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#What_are_PCB_trace_width_and_trace_spacing\" >Qu'est-ce que la largeur et l'espacement des traces sur le circuit imprim\u00e9 ?<\/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\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#1_Industry_Standard_Minimum_Trace_Width_and_Spacing\" >1. Largeur et espacement minimaux des traces selon les normes industrielles<\/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\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#11_Conventional_Process_Capabilities\" >1.1 Capacit\u00e9s des processus conventionnels<\/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\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#12_Advanced_Processes_HDI\" >1.2 Proc\u00e9d\u00e9s avanc\u00e9s (HDI)<\/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\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#13_Extreme_Challenges\" >1.3 D\u00e9fis extr\u00eames<\/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\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#2_Four_Key_Factors_Influencing_Trace_WidthSpacing_Selection\" >2. Quatre facteurs cl\u00e9s influen\u00e7ant le choix de la largeur et de l'espacement des traces<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#21_Current_Carrying_Capacity_and_Temperature_Rise\" >2.1 Capacit\u00e9 de charge actuelle et augmentation de la temp\u00e9rature<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#22_Signal_Integrity\" >2.2 Int\u00e9grit\u00e9 du signal<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#23_Manufacturing_Process_and_Cost\" >2.3 Processus et co\u00fbt de fabrication<\/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\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#24_Layout_Density_and_BGA_Design\" >2.4 Densit\u00e9 d'implantation et conception des BGA<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#3_PCB_Design_Optimization_Strategies\" >3. Strat\u00e9gies d'optimisation de la conception des circuits imprim\u00e9s<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#31_Layer_Strategy\" >3.1 Strat\u00e9gie en mati\u00e8re de couches<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#32_Avoid_Common_Mistakes\" >3.2 \u00c9viter les erreurs courantes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#33_Cost_Balancing\" >3.3 \u00c9quilibrage des co\u00fbts<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#4_PCB_Design_Spacing_Specifications\" >4. Sp\u00e9cifications d'espacement pour la conception des circuits imprim\u00e9s<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#1_Traces\" >1. Traces<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#2_Vias\" >2. Vias<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#3_PTH_Pads_Plated_Through-Holes\" >3. PTH Pads (Plated Through-Holes)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#4_Solder_Mask\" >4. Masque de soudure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#5_Silkscreen_Text\" >5. S\u00e9rigraphie (texte)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#6_Non-Plated_Slots\" >6. Fentes non plaqu\u00e9es<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/#7_Panelization\" >7. Panelisation<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_PCB_trace_width_and_trace_spacing\"><\/span>Qu'est-ce que la largeur et l'espacement des traces sur le circuit imprim\u00e9 ?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>En <a href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/pcb-design-principles\/\">la conception de cartes de circuits imprim\u00e9s (PCB),<\/a> <strong>largeur de la trace<\/strong> et <strong>espacement des traces<\/strong> sont deux param\u00e8tres fondamentaux mais critiques :<\/p><ul class=\"wp-block-list\"><li><strong>Largeur de la trace<\/strong>: La largeur de la feuille de cuivre conductrice, qui d\u00e9termine la capacit\u00e9 de transport du courant et l'\u00e9l\u00e9vation de la temp\u00e9rature.<\/li>\n\n<li><strong>Espacement des traces<\/strong>: La distance entre les traces adjacentes, qui affecte l'isolation du signal et les risques de court-circuit.<\/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-line-width.jpg\" alt=\"Largeur de ligne du PCB\" class=\"wp-image-3728\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Industry_Standard_Minimum_Trace_Width_and_Spacing\"><\/span>1. Largeur et espacement minimaux des traces selon les normes industrielles<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11_Conventional_Process_Capabilities\"><\/span>1.1 Capacit\u00e9s des processus conventionnels<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Principaux fabricants<\/strong>: Plus de 80% peuvent produire de fa\u00e7on stable des dessins avec <strong>6 mil\/6 mil<\/strong> (0,15 mm\/0,15 mm) \u00e0 moindre co\u00fbt.<\/li>\n\n<li><strong>Fabricants de produits de haute pr\u00e9cision<\/strong>Support : 70% <strong>4 mil\/4 mil<\/strong> (0,1 mm\/0,1 mm), ce qui convient \u00e0 la plupart des conceptions \u00e0 haute densit\u00e9.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12_Advanced_Processes_HDI\"><\/span>1.2 Proc\u00e9d\u00e9s avanc\u00e9s (HDI)<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Per\u00e7age au laser Technologie Microvia<\/strong>: Supports <strong>2 mil\/2 mil<\/strong> (0,05 mm\/0,05 mm), utilis\u00e9s dans des applications ultrafines et \u00e0 haute densit\u00e9 telles que les smartphones et les modules RF, mais les co\u00fbts augmentent consid\u00e9rablement.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13_Extreme_Challenges\"><\/span>1.3 D\u00e9fis extr\u00eames<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>3,5 mil\/3,5 mil<\/strong> (0,09 mm\/0,09 mm) est limit\u00e9 \u00e0 quelques fabricants et n\u00e9cessite des tests de rendement stricts.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Four_Key_Factors_Influencing_Trace_WidthSpacing_Selection\"><\/span>2. Quatre facteurs cl\u00e9s influen\u00e7ant le choix de la largeur et de l'espacement des traces<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"21_Current_Carrying_Capacity_and_Temperature_Rise\"><\/span>2.1 Capacit\u00e9 de charge actuelle et augmentation de la temp\u00e9rature<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Formule de r\u00e9f\u00e9rence<\/strong>: Selon la norme IPC-2221, la largeur de la trace doit r\u00e9pondre aux exigences de courant. Par exemple, avec une \u00e9paisseur de cuivre de 1 oz, un courant de 1 A n\u00e9cessite au moins <strong>40 mil (1 mm)<\/strong> largeur de la trace (pour une augmentation de temp\u00e9rature de 10\u00b0C).<\/li>\n\n<li><strong>Aide \u00e0 l'utilisation des outils<\/strong>: Utilisez des calculateurs de largeur de trace de circuit imprim\u00e9 en ligne (par exemple, Saturn PCB Toolkit) en saisissant le courant, l'\u00e9paisseur de cuivre et les limites d'\u00e9l\u00e9vation de temp\u00e9rature pour obtenir rapidement les valeurs recommand\u00e9es.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"22_Signal_Integrity\"><\/span>2.2 Int\u00e9grit\u00e9 du signal<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Signaux \u00e0 grande vitesse<\/strong>: N\u00e9cessit\u00e9 d'une adaptation d'imp\u00e9dance, o\u00f9 la largeur de la trace est li\u00e9e \u00e0 l'\u00e9paisseur et \u00e0 la permittivit\u00e9 de la couche di\u00e9lectrique. Par exemple, une ligne microruban de 50 \u03a9 sur une carte FR4 a g\u00e9n\u00e9ralement une largeur de trace de <strong>8-12 mil<\/strong>.<\/li>\n\n<li><strong>Paires diff\u00e9rentielles<\/strong>: Maintenir une largeur et un espacement \u00e9gaux (par exemple, 5 mil\/5 mil) pour r\u00e9duire la diaphonie.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"23_Manufacturing_Process_and_Cost\"><\/span>2.3 Processus et co\u00fbt de fabrication<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Seuil de co\u00fbt<\/strong>: Lorsque la largeur de la trace ou l'espacement est inf\u00e9rieur \u00e0 5 mils, les prix peuvent doubler (en raison des rendements plus faibles et des exigences du processus laser).<\/li>\n\n<li><strong>S\u00e9lection de l'\u00e9paisseur du cuivre<\/strong>: Les couches externes utilisent g\u00e9n\u00e9ralement 1 oz (35 \u03bcm), les couches internes 0,5 oz ; pour les sc\u00e9narios \u00e0 fort courant, une \u00e9paisseur de cuivre de 2 oz peut \u00eatre utilis\u00e9e mais n\u00e9cessite des traces plus larges.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"24_Layout_Density_and_BGA_Design\"><\/span>2.4 Densit\u00e9 d'implantation et conception des BGA<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>BGA Escape Routing<\/strong>: Pour les BGA au pas de 1 mm, utilisez 6 mil\/6 mil si vous acheminez une trace entre deux broches ; utilisez 4 mil\/4 mil si vous acheminez deux traces.<\/li>\n\n<li><strong>\u00c9viter les goulets d'\u00e9tranglement<\/strong>: Planifiez les largeurs de tra\u00e7age dans les zones \u00e0 forte densit\u00e9 d\u00e8s le d\u00e9but afin d'\u00e9viter les retouches ult\u00e9rieures.<\/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-line-width-2.jpg\" alt=\"Largeur de ligne du PCB\" class=\"wp-image-3729\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-2-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_PCB_Design_Optimization_Strategies\"><\/span>3. Strat\u00e9gies d'optimisation de la conception des circuits imprim\u00e9s<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"31_Layer_Strategy\"><\/span>3.1 Strat\u00e9gie en mati\u00e8re de couches<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Couches de puissance<\/strong>: Utilisez des pistes larges ou des coul\u00e9es de cuivre (par exemple, 50 mil+) pour r\u00e9duire l'imp\u00e9dance et la production de chaleur.<\/li>\n\n<li><strong>Couches de signaux<\/strong>: Donner la priorit\u00e9 aux signaux \u00e0 haute fr\u00e9quence sur les couches internes (structure stripline) afin de minimiser les interf\u00e9rences dues au rayonnement.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"32_Avoid_Common_Mistakes\"><\/span>3.2 \u00c9viter les erreurs courantes<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Traces \u00e0 angle aigu<\/strong>: Remplacer par des coins \u00e0 45\u00b0 ou courb\u00e9s pour r\u00e9duire les discontinuit\u00e9s d'imp\u00e9dance.<\/li>\n\n<li><strong>Ignorer le retour d'information des fabricants<\/strong>: Confirmer les documents relatifs \u00e0 la capacit\u00e9 du processus (par exemple, ouverture minimale, tol\u00e9rances sur la largeur de la trace) avant de finaliser les conceptions.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"33_Cost_Balancing\"><\/span>3.3 \u00c9quilibrage des co\u00fbts<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Donner la priorit\u00e9 \u00e0 l'assouplissement des signaux non critiques<\/strong>: Utilisez des largeurs de trace de 8 \u00e0 10 mils pour les signaux d'E\/S g\u00e9n\u00e9raux afin de gagner de l'espace pour les chemins critiques.<\/li><\/ul><p>L'optimisation de la largeur et de l'espacement des traces sur les circuits imprim\u00e9s n\u00e9cessite de trouver un \u00e9quilibre entre les performances \u00e9lectriques, les limites du processus et le co\u00fbt. <strong>4 mil\/4 mil<\/strong> est le point id\u00e9al pour la plupart des conceptions \u00e0 haute densit\u00e9, tandis que la norme <strong>2 mil\/2 mil<\/strong> est r\u00e9serv\u00e9 aux applications HDI haut de gamme. Lors des premi\u00e8res \u00e9tapes de la conception, il convient d'utiliser des outils de calcul pour v\u00e9rifier les exigences actuelles et de communiquer avec les fabricants pour garantir la productibilit\u00e9.<\/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\/2025\/07\/PCB-line-width-1.jpg\" alt=\"Largeur de ligne du PCB\" class=\"wp-image-3730\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/PCB-line-width-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_PCB_Design_Spacing_Specifications\"><\/span>4. Sp\u00e9cifications d'espacement pour la conception des circuits imprim\u00e9s<span class=\"ez-toc-section-end\"><\/span><\/h2><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Traces\"><\/span><strong>1. Traces<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Min. Largeur<\/strong>: 5mil (0.127mm)<\/li>\n\n<li><strong>Min. Espacement<\/strong>: 5mil (0.127mm)<\/li>\n\n<li><strong>Trace jusqu'au bord de la carte<\/strong>: \u22650.3mm (20mil)<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Vias\"><\/span><strong>2. Vias<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Min. Taille du trou<\/strong>: 0,3mm (12mil)<\/li>\n\n<li><strong>Largeur de l'anneau du tampon<\/strong>: \u22656mil (0.153mm)<\/li>\n\n<li><strong>Espacement entre les voies<\/strong>: \u22656mil (bord \u00e0 bord)<\/li>\n\n<li><strong>Via to Board Edge<\/strong>: \u22650.508mm (20mil)<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_PTH_Pads_Plated_Through-Holes\"><\/span><strong>3. PTH Pads (Plated Through-Holes)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Min. Taille du trou<\/strong>: \u22650,2 mm de plus que le fil du composant<\/li>\n\n<li><strong>Largeur de l'anneau du tampon<\/strong>: \u22650.2mm (8mil)<\/li>\n\n<li><strong>Espacement entre les trous<\/strong>: \u22650,3mm (d'un bord \u00e0 l'autre)<\/li>\n\n<li><strong>Du tampon au bord de la carte<\/strong>: \u22650.508mm (20mil)<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Solder_Mask\"><\/span><strong>4. Masque de soudure<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>PTH\/SMD Ouverture<\/strong>: espacement \u22650,1mm (4mil)<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Silkscreen_Text\"><\/span><strong>5. S\u00e9rigraphie (texte)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Min. Largeur de ligne<\/strong>6mil (0.153mm)<\/li>\n\n<li><strong>Min. Hauteur<\/strong>: 32mil (0.811mm)<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Non-Plated_Slots\"><\/span><strong>6. Fentes non plaqu\u00e9es<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Min. Espacement<\/strong>: \u22651.6mm<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Panelization\"><\/span><strong>7. Panelisation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Espacement (panneau de 1,6 mm)<\/strong>: \u22651.6mm<\/li>\n\n<li><strong>Coupe en V\/Sans espacement<\/strong>: ~0,5mm<\/li>\n\n<li><strong>Bord du processus<\/strong>: \u22655mm<\/li><\/ul><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Que sont la largeur et l'espacement des traces sur les circuits imprim\u00e9s ? Dans la conception des circuits imprim\u00e9s (PCB), la largeur et l'espacement des traces sont deux param\u00e8tres fondamentaux mais critiques : 1. Largeur et espacement minimums des traces selon les normes industrielles 1.1 Capacit\u00e9s des proc\u00e9d\u00e9s conventionnels 1.2 Proc\u00e9d\u00e9s avanc\u00e9s (HDI) 1.3 D\u00e9fis extr\u00eames 2. Quatre facteurs cl\u00e9s influen\u00e7ant la s\u00e9lection de la largeur et de l'espacement des traces 2.1 Courant porteur [&amp;hellip ;]<\/p>","protected":false},"author":1,"featured_media":3731,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112],"tags":[110,332],"class_list":["post-3727","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-pcb-design","tag-pcb-line-width"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Minimum line width and line spacing for PCB - Topfastpcb<\/title>\n<meta name=\"description\" content=\"Design specifications for minimum line width and line spacing on PCB circuit boards, including manufacturing process limitations, current carrying capacity, signal integrity optimization, and cost considerations, to ensure high-performance circuit board design.\" \/>\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\/fr\/blog\/minimum-line-width-and-line-spacing-for-pcb-circuit-boards\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Minimum line width and line spacing for PCB - 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