{"id":1646,"date":"2024-12-27T02:40:11","date_gmt":"2024-12-27T02:40:11","guid":{"rendered":"https:\/\/rf-capacitor.com\/?post_type=product&#038;p=1646"},"modified":"2024-12-27T02:40:11","modified_gmt":"2024-12-27T02:40:11","slug":"dc-coupling-capacitor","status":"publish","type":"product","link":"https:\/\/rf-capacitor.com\/fr\/dc-coupling-capacitor\/","title":{"rendered":"Condensateur de couplage DC"},"content":{"rendered":"<h3 data-sourcepos=\"1:1-1:25\"><strong>Condensateur de couplage DC<\/strong><\/h3>\n<p data-sourcepos=\"3:1-3:215\"><span class=\"citation-0 recitation\">Un condensateur de couplage CC, \u00e9galement connu sous le nom de <\/span><strong><span class=\"citation-0 recitation\">condensateur de couplage<\/span><\/strong><span class=\"citation-0 recitation\"> ou <\/span><strong><span class=\"citation-0 recitation\">Condensateur de blocage DC<\/span><\/strong><span class=\"citation-0 recitation citation-end-0\">est un composant essentiel dans les circuits \u00e9lectroniques, en particulier dans les \u00e9tages d'amplification.<\/span> Sa fonction premi\u00e8re est de :<span class=\"button-container hide-from-message-actions ng-star-inserted\"> \u00a0<\/span><\/p>\n<ul data-sourcepos=\"5:1-7:0\">\n<li data-sourcepos=\"5:1-5:218\"><strong><span class=\"citation-1 recitation\">Isoler la polarisation CC :<\/span><\/strong><span class=\"citation-1 recitation citation-end-1\"> Emp\u00eache la tension de polarisation en courant continu d'un \u00e9tage d'affecter la polarisation en courant continu de l'\u00e9tage suivant.<\/span> <span class=\"citation-2 recitation citation-end-2\">Ceci est essentiel pour maintenir le point de fonctionnement correct de chaque \u00e9tage.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\">\u00a0<\/span>\n<div class=\"container ng-tns-c362440147-54 hide\">\n<div class=\"carousel-container ng-tns-c362440147-54\">\n<div class=\"carousel-content ng-tns-c362440147-54\">\n<div class=\"sources-carousel-source ng-tns-c362440147-54 hide ng-star-inserted\" data-test-id=\"sources-carousel-source\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<li data-sourcepos=\"6:1-7:0\"><strong><span class=\"citation-3 recitation\">Transmettre des signaux AC :<\/span><\/strong><span class=\"citation-3 recitation citation-end-3\"> Permettre au signal CA de passer d'un \u00e9tage \u00e0 l'autre.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\"> \u00a0<\/span>\n<div class=\"container ng-tns-c362440147-55 hide\">\n<div class=\"carousel-container ng-tns-c362440147-55\"><\/div>\n<\/div>\n<\/li>\n<\/ul>\n<h3 data-sourcepos=\"8:1-8:17\"><strong>Comment cela fonctionne-t-il ?<\/strong><\/h3>\n<ul data-sourcepos=\"10:1-12:0\">\n<li data-sourcepos=\"10:1-10:213\"><strong><span class=\"citation-4 recitation\">Blocage du DC :<\/span><\/strong><span class=\"citation-4 recitation citation-end-4\"> Les condensateurs agissent comme des circuits ouverts au courant continu.<\/span> <span class=\"citation-5 recitation citation-end-5\">Lorsqu'une tension continue est appliqu\u00e9e, le condensateur se charge jusqu'\u00e0 cette tension et cesse de conduire, bloquant ainsi efficacement le courant continu.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\">\u00a0<\/span>\n<div class=\"container ng-tns-c362440147-56 hide\">\n<div class=\"carousel-container ng-tns-c362440147-56\">\n<div class=\"carousel-content ng-tns-c362440147-56\">\n<div class=\"sources-carousel-source ng-tns-c362440147-56 hide ng-star-inserted\" data-test-id=\"sources-carousel-source\"><\/div>\n<div class=\"sources-carousel-source ng-tns-c362440147-56 hide ng-star-inserted\" data-test-id=\"sources-carousel-source\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<li data-sourcepos=\"11:1-12:0\"><strong><span class=\"citation-6 recitation\">Passing AC :<\/span><\/strong><span class=\"citation-6 recitation citation-end-6\"> Les signaux \u00e0 courant alternatif ont des tensions qui changent constamment.<\/span> <span class=\"citation-7 recitation citation-end-7\">Le condensateur se charge et se d\u00e9charge continuellement, ce qui permet au signal alternatif de passer.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\">\u00a0<\/span>\n<div class=\"container ng-tns-c362440147-57 hide\">\n<div class=\"carousel-container ng-tns-c362440147-57\">\n<div class=\"carousel-content ng-tns-c362440147-57\">\n<div class=\"sources-carousel-source ng-tns-c362440147-57 hide ng-star-inserted\" data-test-id=\"sources-carousel-source\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<h3 data-sourcepos=\"13:1-13:17\"><strong>Applications :<\/strong><\/h3>\n<ul data-sourcepos=\"15:1-18:0\">\n<li data-sourcepos=\"15:1-15:90\"><strong><span class=\"citation-8 recitation\">Amplificateurs audio :<\/span><\/strong><span class=\"citation-8 recitation citation-end-8\"> Couplage entre les \u00e9tages de l'amplificateur pour isoler la polarisation en courant continu.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\"> \u00a0<\/span>\n<div class=\"container ng-tns-c362440147-58 hide\">\n<div class=\"carousel-container ng-tns-c362440147-58\">\n<div class=\"carousel-content ng-tns-c362440147-58\">\n<div class=\"sources-carousel-source ng-tns-c362440147-58 hide ng-star-inserted\" data-test-id=\"sources-carousel-source\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<li data-sourcepos=\"16:1-16:100\"><strong><span class=\"citation-9 recitation\">Circuits de traitement des signaux :<\/span><\/strong><span class=\"citation-9 recitation citation-end-9\"> Transfert de signaux CA tout en bloquant les composants CC.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\"> \u00a0<\/span>\n<div class=\"container ng-tns-c362440147-59 hide\">\n<div class=\"carousel-container ng-tns-c362440147-59\">\n<div class=\"carousel-content ng-tns-c362440147-59\">\n<div class=\"sources-carousel-source ng-tns-c362440147-59 hide ng-star-inserted\" data-test-id=\"sources-carousel-source\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<li data-sourcepos=\"17:1-18:0\"><strong><span class=\"citation-10 recitation\">Circuits de filtrage :<\/span><\/strong><span class=\"citation-10 recitation citation-end-10\"> Fait partie des filtres passe-haut pour bloquer les signaux de basse fr\u00e9quence, y compris le courant continu.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\">\u00a0<\/span>\n<div class=\"container ng-tns-c362440147-60 hide\">\n<div class=\"carousel-container ng-tns-c362440147-60\">\n<div class=\"carousel-content ng-tns-c362440147-60\">\n<div class=\"sources-carousel-source ng-tns-c362440147-60 hide ng-star-inserted\" data-test-id=\"sources-carousel-source\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<h3 data-sourcepos=\"19:1-19:23\"><strong>Consid\u00e9rations cl\u00e9s :<\/strong><\/h3>\n<ul data-sourcepos=\"21:1-24:0\">\n<li data-sourcepos=\"21:1-21:164\"><strong>Valeur de la capacit\u00e9 :<\/strong> La valeur de la capacit\u00e9 d\u00e9termine la coupure \u00e0 basse fr\u00e9quence du condensateur de couplage. Une capacit\u00e9 plus importante permet de laisser passer les basses fr\u00e9quences.<\/li>\n<li data-sourcepos=\"22:1-22:118\"><strong>Tension nominale :<\/strong> <span class=\"citation-11 recitation citation-end-11\">Le condensateur doit \u00eatre dimensionn\u00e9 pour la tension maximale qui lui sera appliqu\u00e9e.<\/span>\n<div class=\"container ng-tns-c362440147-61 hide\">\n<div class=\"carousel-container ng-tns-c362440147-61\"><\/div>\n<\/div>\n<\/li>\n<li data-sourcepos=\"23:1-24:0\"><strong>Courant de fuite :<\/strong> Le courant de fuite du condensateur peut affecter le point de polarisation en courant continu du circuit.<\/li>\n<\/ul>\n<p data-sourcepos=\"25:1-25:205\"><strong><span class=\"citation-12 recitation\">Par essence, un condensateur de couplage CC agit comme un pont pour les signaux CA tout en isolant efficacement les composants CC, garantissant que chaque \u00e9tape d'un circuit fonctionne ind\u00e9pendamment et correctement.<\/span><\/strong><span class=\"button-container hide-from-message-actions ng-star-inserted\"> \u00a0 <\/span><\/p>","protected":false},"excerpt":{"rendered":"<table style=\"height: 556px;\" width=\"706\">\n<tbody>\n<tr>\n<td width=\"146\"><strong><b>Produit<\/b><\/strong>\u00a0<strong><b>Nom :<\/b><\/strong><\/td>\n<td width=\"601\"><strong>Condensateur de couplage DC<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"146\">\n<h4><strong>Description succincte :<\/strong><\/h4>\n<\/td>\n<td width=\"601\">Largement utilis\u00e9 dans les circuits de liaison CC pour le filtrage et le d\u00e9couplage \u00e0 haute fr\u00e9quence<br \/>\nLargement utilis\u00e9 dans les circuits \u00e9lectroniques de puissance, \u00e0 des fins de couplage<\/td>\n<\/tr>\n<tr>\n<td width=\"146\"><strong>Plage de capacit\u00e9 :<\/strong><\/td>\n<td width=\"601\">\u00a010\u03bcF - 100\u03bcF<\/td>\n<\/tr>\n<tr>\n<td width=\"146\"><strong>Tension nominale\uff1a<\/strong><\/td>\n<td width=\"601\">350V.DC - 1100V.DC<\/td>\n<\/tr>\n<tr>\n<td width=\"146\"><strong>Cap.tol\uff1a<\/strong><\/td>\n<td width=\"601\">\u00b15%(J)\uff1a\u00b110%(K)<\/td>\n<\/tr>\n<tr>\n<td width=\"146\"><strong>Mod\u00e8le de condensateur :\u00a0<\/strong><\/td>\n<td width=\"601\">S\u00e9rie DMJ-MT<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"featured_media":1647,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[38],"product_tag":[],"class_list":{"0":"post-1646","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-dc-capacitor-2","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/rf-capacitor.com\/fr\/wp-json\/wp\/v2\/product\/1646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rf-capacitor.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/rf-capacitor.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/rf-capacitor.com\/fr\/wp-json\/wp\/v2\/comments?post=1646"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rf-capacitor.com\/fr\/wp-json\/wp\/v2\/media\/1647"}],"wp:attachment":[{"href":"https:\/\/rf-capacitor.com\/fr\/wp-json\/wp\/v2\/media?parent=1646"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/rf-capacitor.com\/fr\/wp-json\/wp\/v2\/product_brand?post=1646"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/rf-capacitor.com\/fr\/wp-json\/wp\/v2\/product_cat?post=1646"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/rf-capacitor.com\/fr\/wp-json\/wp\/v2\/product_tag?post=1646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}