{"id":992,"date":"2016-09-04T21:06:29","date_gmt":"2016-09-04T19:06:29","guid":{"rendered":"http:\/\/www.lossendiere.com\/?p=992"},"modified":"2018-07-11T21:53:51","modified_gmt":"2018-07-11T19:53:51","slug":"comment-dimensionner-le-resistor-en-serie-avec-une-del","status":"publish","type":"post","link":"http:\/\/www.makerslide-machines.xyz\/old\/2016\/09\/04\/comment-dimensionner-le-resistor-en-serie-avec-une-del\/","title":{"rendered":"Comment dimensionner le r\u00e9sistor en s\u00e9rie avec une DEL"},"content":{"rendered":"<p>[et_pb_section bb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbsection\u00a0\u00bb][et_pb_row admin_label=\u00a0\u00bbrow\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime;][et_pb_post_title title=\u00a0\u00bbon\u00a0\u00bb meta=\u00a0\u00bbon\u00a0\u00bb author=\u00a0\u00bbon\u00a0\u00bb date=\u00a0\u00bbon\u00a0\u00bb categories=\u00a0\u00bbon\u00a0\u00bb comments=\u00a0\u00bboff\u00a0\u00bb featured_image=\u00a0\u00bboff\u00a0\u00bb featured_placement=\u00a0\u00bbbelow\u00a0\u00bb parallax_effect=\u00a0\u00bbon\u00a0\u00bb parallax_method=\u00a0\u00bboff\u00a0\u00bb text_orientation=\u00a0\u00bbleft\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_background=\u00a0\u00bboff\u00a0\u00bb text_bg_color=\u00a0\u00bbrgba(255,255,255,0.9)\u00a0\u00bb module_bg_color=\u00a0\u00bbrgba(255,255,255,0)\u00a0\u00bb title_all_caps=\u00a0\u00bboff\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb parallax=\u00a0\u00bbon\u00a0\u00bb background_color=\u00a0\u00bbrgba(255,255,255,0)\u00a0\u00bb \/][et_pb_text background_layout=\u00a0\u00bblight\u00a0\u00bb text_orientation=\u00a0\u00bbleft\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb]<\/p>\n<div style=\"width: 1080px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-992-1\" width=\"1080\" height=\"608\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/www.lossendiere.com\/wp-content\/uploads\/2016\/09\/URI-Comment-dimensionner-la-resistance-serie-d-une-LED.mp4?_=1\" \/><a href=\"http:\/\/www.lossendiere.com\/wp-content\/uploads\/2016\/09\/URI-Comment-dimensionner-la-resistance-serie-d-une-LED.mp4\">http:\/\/www.lossendiere.com\/wp-content\/uploads\/2016\/09\/URI-Comment-dimensionner-la-resistance-serie-d-une-LED.mp4<\/a><\/video><\/div>\n<p>Vid\u00e9o venant de la l&rsquo;excellente chaine vid\u00e9o Youtube U=RI<\/p>\n<p>Consulter les autres vid\u00e9os sur Arduino et App Inventor<\/p>\n<p><a href=\"https:\/\/www.youtube.com\/channel\/UCVqx3vXNghSqUcVg2nmegYA\/playlists\">https:\/\/www.youtube.com\/channel\/UCVqx3vXNghSqUcVg2nmegYA\/playlists<\/a><\/p>\n<p>[\/et_pb_text][et_pb_text background_color=\u00a0\u00bbrgba(124,162,193,0.3)\u00a0\u00bb use_border_color=\u00a0\u00bbon\u00a0\u00bb custom_padding=\u00a0\u00bb10px|10px|10px|10px\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb border_color_all=\u00a0\u00bb#0c71c3&Prime; _builder_version=\u00a0\u00bb3.4.1&Prime;]<\/p>\n<p><span style=\"text-decoration: underline; color: #ff0000;\"><strong>R\u00e9sum\u00e9 :<\/strong><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5112 alignleft\" src=\"http:\/\/www.lossendiere.com\/wp-content\/uploads\/2016\/09\/resume-calcul-resistance-en-serie.jpg\" alt=\"resume-calcul-resistance-en-serie\" width=\"454\" height=\"262\" \/><\/p>\n<p><strong>Ud<\/strong> est la <span style=\"text-decoration: underline;\">tension de seuil<\/span> ou appel\u00e9 <span style=\"text-decoration: underline;\">tension directe<\/span><br \/>( <span style=\"color: #333333;\">Led Forward voltage en anglais<\/span> )<br \/>C&rsquo;est la tension n\u00e9cessaire pour que la LED s&rsquo;allume<\/p>\n<p>La tension de seuil varie selon la longueur d&rsquo;onde donc la couleur.<br \/>Pour une des LED standards on peut consid\u00e9rer qu&rsquo;une<br \/>LED rouge \u00e0 une tension de seuil d&rsquo;environ 2.1v<br \/>LED jaune environ 2.2v<br \/>LED verte environ 2.3v<br \/>LED blanche haute luminosit\u00e9 environ 3.1v<\/p>\n<p>Il est pr\u00e9f\u00e9rable cependant de regarder la fiche technique (datasheet) ou on trouve \u00e9galement le courant maxi admissible <br \/>( <strong>Max forward current<\/strong> ).\u00a0 Ne pas prendre pour les calculs le courant maxi mais un peu moins, le courant\u00a0 nominal qui correspondant \u00e0 la puissance lumineuse maxi en <strong>mcd<\/strong> (milli Candela)<br \/>Par exemple dans <span style=\"text-decoration: underline;\"><span style=\"color: #0000ff;\"><strong><a style=\"color: #0000ff; text-decoration: underline;\" href=\"http:\/\/www.lossendiere.com\/wp-content\/uploads\/2016\/09\/3501_Red_3mm_LED.pdf\">cette fiche technique<\/a><\/strong><\/span><\/span> <span style=\"color: #333333;\">il faut prendre pour les calculs 20mmA et pas 25mmA<\/span><\/p>\n<p><strong><span style=\"text-decoration: underline;\"><span style=\"color: #0000ff; text-decoration: underline;\">Important :<\/span><\/span> <\/strong>Dans le choix des valeurs standard de r\u00e9sistors on choisit toujours un r\u00e9sistor de valeur sup\u00e9rieure pour \u00e9viter de d\u00e9passer la limite en courant de la LED<\/p>\n<p><span style=\"text-decoration: underline;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/www.digikey.fr\/fr\/resources\/conversion-calculators\/conversion-calculator-led-series-resistor\"><strong>Site pour calcul<\/strong><\/a><\/span><\/span> de r\u00e9sistance LED en s\u00e9rie et puissance en watt dissip\u00e9e.<\/p>\n<p>[\/et_pb_text][et_pb_comments show_avatar=\u00a0\u00bbon\u00a0\u00bb show_reply=\u00a0\u00bbon\u00a0\u00bb show_count=\u00a0\u00bboff\u00a0\u00bb background_layout=\u00a0\u00bblight\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb custom_button=\u00a0\u00bboff\u00a0\u00bb button_letter_spacing=\u00a0\u00bb0&Prime; button_use_icon=\u00a0\u00bbdefault\u00a0\u00bb button_icon_placement=\u00a0\u00bbright\u00a0\u00bb button_on_hover=\u00a0\u00bbon\u00a0\u00bb button_letter_spacing_hover=\u00a0\u00bb0&Prime; border_radii=\u00a0\u00bbon||||\u00a0\u00bb \/][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[et_pb_section bb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbsection\u00a0\u00bb][et_pb_row admin_label=\u00a0\u00bbrow\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime;][et_pb_post_title title=\u00a0\u00bbon\u00a0\u00bb meta=\u00a0\u00bbon\u00a0\u00bb author=\u00a0\u00bbon\u00a0\u00bb date=\u00a0\u00bbon\u00a0\u00bb categories=\u00a0\u00bbon\u00a0\u00bb comments=\u00a0\u00bboff\u00a0\u00bb featured_image=\u00a0\u00bboff\u00a0\u00bb featured_placement=\u00a0\u00bbbelow\u00a0\u00bb parallax_effect=\u00a0\u00bbon\u00a0\u00bb parallax_method=\u00a0\u00bboff\u00a0\u00bb text_orientation=\u00a0\u00bbleft\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_background=\u00a0\u00bboff\u00a0\u00bb text_bg_color=\u00a0\u00bbrgba(255,255,255,0.9)\u00a0\u00bb module_bg_color=\u00a0\u00bbrgba(255,255,255,0)\u00a0\u00bb title_all_caps=\u00a0\u00bboff\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb parallax=\u00a0\u00bbon\u00a0\u00bb background_color=\u00a0\u00bbrgba(255,255,255,0)\u00a0\u00bb \/][et_pb_text background_layout=\u00a0\u00bblight\u00a0\u00bb text_orientation=\u00a0\u00bbleft\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb] Vid\u00e9o venant de la l&rsquo;excellente chaine vid\u00e9o Youtube U=RI Consulter les autres vid\u00e9os sur Arduino et App [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[123],"tags":[],"class_list":["post-992","post","type-post","status-publish","format-standard","hentry","category-electronique-sur-le-web"],"_links":{"self":[{"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/posts\/992","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/comments?post=992"}],"version-history":[{"count":1,"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/posts\/992\/revisions"}],"predecessor-version":[{"id":32764,"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/posts\/992\/revisions\/32764"}],"wp:attachment":[{"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/media?parent=992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/categories?post=992"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/tags?post=992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}