{"id":209941,"date":"2024-09-21T16:49:40","date_gmt":"2024-09-21T16:49:40","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=209941"},"modified":"2024-09-21T16:49:40","modified_gmt":"2024-09-21T16:49:40","slug":"quel-est-le-code-des-couleurs-pour-les-resistors","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/fr\/quel-est-le-code-des-couleurs-pour-les-resistors\/","title":{"rendered":"Quel est le code des couleurs pour les r\u00e9sistors?"},"content":{"rendered":"<p class=\"sidekick\">Le code des couleurs pour les r\u00e9sistors en ing\u00e9nierie thermique explique comment identifier la valeur des r\u00e9sistances gr\u00e2ce \u00e0 des bandes color\u00e9es.<\/p>\n<h2>Quel est le code des couleurs pour les r\u00e9sistors ?<\/h2>\n<p>En \u00e9lectronique, les r\u00e9sistors (ou r\u00e9sistances) sont des composants essentiels utilis\u00e9s pour limiter le courant \u00e9lectrique dans un circuit. Pour identifier la valeur de leur r\u00e9sistance, on utilise un code de couleurs standardis\u00e9. Ce code est compos\u00e9 de plusieurs bandes de couleurs peintes sur le corps du r\u00e9sistors, chaque couleur correspondant \u00e0 un chiffre sp\u00e9cifique.<\/p>\n<h2>Les Bandes de Couleurs<\/h2>\n<p>Les r\u00e9sistors ont g\u00e9n\u00e9ralement quatre, cinq, voire six bandes de couleur. Chaque bande a une signification particuli\u00e8re :<\/p>\n<ul>\n<li>Les deux ou trois premi\u00e8res bandes repr\u00e9sentent les chiffres significatifs.<\/li>\n<li>La bande suivante indique le facteur multiplicateur.<\/li>\n<li>La derni\u00e8re bande (si pr\u00e9sente) repr\u00e9sente la tol\u00e9rance de la r\u00e9sistance.<\/li>\n<\/ul>\n<h2>Tableau des Couleurs<\/h2>\n<p>Voici le tableau des couleurs et leurs significations :<\/p>\n<table>\n<tr>\n<th>Couleur<\/th>\n<th>Chiffre<\/th>\n<th>Multiplicateur<\/th>\n<th>Tol\u00e9rance<\/th>\n<\/tr>\n<tr>\n<td>Noir<\/td>\n<td>0<\/td>\n<td>10<sup>0<\/sup> (1)<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Marron<\/td>\n<td>1<\/td>\n<td>10<sup>1<\/sup><\/td>\n<td>\u00b11%<\/td>\n<\/tr>\n<tr>\n<td>Rouge<\/td>\n<td>2<\/td>\n<td>10<sup>2<\/sup><\/td>\n<td>\u00b12%<\/td>\n<\/tr>\n<tr>\n<td>Orange<\/td>\n<td>3<\/td>\n<td>10<sup>3<\/sup><\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Jaune<\/td>\n<td>4<\/td>\n<td>10<sup>4<\/sup><\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Vert<\/td>\n<td>5<\/td>\n<td>10<sup>5<\/sup><\/td>\n<td>\u00b10.5%<\/td>\n<\/tr>\n<tr>\n<td>Bleu<\/td>\n<td>6<\/td>\n<td>10<sup>6<\/sup><\/td>\n<td>\u00b10.25%<\/td>\n<\/tr>\n<tr>\n<td>Violet<\/td>\n<td>7<\/td>\n<td>10<sup>7<\/sup><\/td>\n<td>\u00b10.1%<\/td>\n<\/tr>\n<tr>\n<td>Gris<\/td>\n<td>8<\/td>\n<td>10<sup>8<\/sup><\/td>\n<td>\u00b10.05%<\/td>\n<\/tr>\n<tr>\n<td>Blanc<\/td>\n<td>9<\/td>\n<td>10<sup>9<\/sup><\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Or<\/td>\n<td>&#8211;<\/td>\n<td>10<sup>-1<\/sup> (0.1)<\/td>\n<td>\u00b15%<\/td>\n<\/tr>\n<tr>\n<td>Argent<\/td>\n<td>&#8211;<\/td>\n<td>10<sup>-2<\/sup> (0.01)<\/td>\n<td>\u00b110%<\/td>\n<\/tr>\n<\/table>\n<h2>Exemple de Calcul<\/h2>\n<p>Supposons que nous avons un r\u00e9sistor avec les bandes de couleur suivantes : Rouge, Violet, Marron, Or.<\/p>\n<ol>\n<li><strong>Premi\u00e8re bande<\/strong>: Rouge = 2<\/li>\n<li><strong>Deuxi\u00e8me bande<\/strong>: Violet = 7<\/li>\n<li><strong>Troisi\u00e8me bande<\/strong>: Marron = 10<sup>1<\/sup><\/li>\n<li><strong>Quatri\u00e8me bande<\/strong> (tol\u00e9rance): Or = \u00b15%<\/li>\n<\/ol>\n<p>Pour calculer sa valeur, nous combinons les chiffres significatifs :<\/p>\n<p>\\[ R = 27 \\times 10^{1} = 270 \\, \\Omega \\]<\/p>\n<p>Avec une tol\u00e9rance de \u00b15%, cela signifie que la r\u00e9sistance peut varier de 256.5 \u03a9 \u00e0 283.5 \u03a9.<\/p>\n<h2>Conclusion<\/h2>\n<p>Le code des couleurs pour les r\u00e9sistors est une m\u00e9thode simple et efficace pour d\u00e9terminer la valeur de la r\u00e9sistance. En ma\u00eetrisant ce code, vous pourrez rapidement identifier et utiliser les r\u00e9sistors dans divers circuits \u00e9lectroniques.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le code des couleurs pour les r\u00e9sistors en ing\u00e9nierie thermique explique comment identifier la valeur des r\u00e9sistances gr\u00e2ce \u00e0 des bandes color\u00e9es.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[98],"tags":[],"class_list":["post-209941","post","type-post","status-publish","format-standard","hentry","category-des-questions","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Quel est le code des couleurs pour les r\u00e9sistors?<\/title>\n<meta name=\"description\" content=\"Le code des couleurs pour les r\u00e9sistors en ing\u00e9nierie thermique explique comment identifier la valeur des r\u00e9sistances gr\u00e2ce \u00e0 des bandes color\u00e9es.\" \/>\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.electricity-magnetism.org\/fr\/quel-est-le-code-des-couleurs-pour-les-resistors\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quel est le code des couleurs pour les r\u00e9sistors?\" \/>\n<meta property=\"og:description\" content=\"Le code des couleurs pour les r\u00e9sistors en ing\u00e9nierie thermique explique comment identifier la valeur des r\u00e9sistances gr\u00e2ce \u00e0 des bandes color\u00e9es.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.electricity-magnetism.org\/fr\/quel-est-le-code-des-couleurs-pour-les-resistors\/\" \/>\n<meta property=\"og:site_name\" content=\"Electricity - 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