{"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\/pt\/dc-coupling-capacitor\/","title":{"rendered":"Condensador de acoplamento DC"},"content":{"rendered":"<h3 data-sourcepos=\"1:1-1:25\"><strong>Condensador de acoplamento DC<\/strong><\/h3>\n<p data-sourcepos=\"3:1-3:215\"><span class=\"citation-0 recitation\">Um condensador de acoplamento DC, tamb\u00e9m conhecido como <\/span><strong><span class=\"citation-0 recitation\">condensador de acoplamento<\/span><\/strong><span class=\"citation-0 recitation\"> ou <\/span><strong><span class=\"citation-0 recitation\">Condensador de bloqueio DC<\/span><\/strong><span class=\"citation-0 recitation citation-end-0\">\u00e9 um componente crucial nos circuitos electr\u00f3nicos, em particular nas fases amplificadoras.<\/span> A sua principal fun\u00e7\u00e3o \u00e9:<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\">Isolar a polariza\u00e7\u00e3o DC:<\/span><\/strong><span class=\"citation-1 recitation citation-end-1\"> Impedir que a tens\u00e3o de polariza\u00e7\u00e3o de CC de um est\u00e1gio afecte a polariza\u00e7\u00e3o de CC do est\u00e1gio subsequente.<\/span> <span class=\"citation-2 recitation citation-end-2\">Isto \u00e9 essencial para manter o ponto de funcionamento correto de cada fase.<\/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\">Transmiss\u00e3o de sinais CA:<\/span><\/strong><span class=\"citation-3 recitation citation-end-3\"> Permitir que o sinal CA passe de uma fase para a seguinte.<\/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>Como funciona:<\/strong><\/h3>\n<ul data-sourcepos=\"10:1-12:0\">\n<li data-sourcepos=\"10:1-10:213\"><strong><span class=\"citation-4 recitation\">Bloqueio de DC:<\/span><\/strong><span class=\"citation-4 recitation citation-end-4\"> Os condensadores actuam como circuitos abertos para a corrente cont\u00ednua.<\/span> <span class=\"citation-5 recitation citation-end-5\">Quando \u00e9 aplicada uma tens\u00e3o CC, o condensador carrega-se at\u00e9 essa tens\u00e3o e deixa de conduzir, bloqueando efetivamente a corrente CC.<\/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\">Passagem de CA:<\/span><\/strong><span class=\"citation-6 recitation citation-end-6\"> Os sinais AC t\u00eam tens\u00f5es que mudam constantemente.<\/span> <span class=\"citation-7 recitation citation-end-7\">Isto faz com que o condensador se carregue e descarregue continuamente, permitindo a passagem do sinal AC.<\/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>Aplica\u00e7\u00f5es:<\/strong><\/h3>\n<ul data-sourcepos=\"15:1-18:0\">\n<li data-sourcepos=\"15:1-15:90\"><strong><span class=\"citation-8 recitation\">Amplificadores de \u00e1udio:<\/span><\/strong><span class=\"citation-8 recitation citation-end-8\"> Acoplamento entre os est\u00e1gios do amplificador para isolar a polariza\u00e7\u00e3o de CC.<\/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\">Circuitos de processamento de sinais:<\/span><\/strong><span class=\"citation-9 recitation citation-end-9\"> Transfer\u00eancia de sinais AC com bloqueio de componentes DC.<\/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\">Circuitos de filtragem:<\/span><\/strong><span class=\"citation-10 recitation citation-end-10\"> Como parte de filtros passa-alto para bloquear sinais de baixa frequ\u00eancia, incluindo DC.<\/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>Principais considera\u00e7\u00f5es:<\/strong><\/h3>\n<ul data-sourcepos=\"21:1-24:0\">\n<li data-sourcepos=\"21:1-21:164\"><strong>Valor da capacit\u00e2ncia:<\/strong> O valor da capacit\u00e2ncia determina o corte de baixa frequ\u00eancia do condensador de acoplamento. Uma capacit\u00e2ncia maior permite a passagem de frequ\u00eancias mais baixas.<\/li>\n<li data-sourcepos=\"22:1-22:118\"><strong>Classifica\u00e7\u00e3o da tens\u00e3o:<\/strong> <span class=\"citation-11 recitation citation-end-11\">O condensador deve ser dimensionado para a tens\u00e3o m\u00e1xima que ser\u00e1 aplicada atrav\u00e9s dele.<\/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>Corrente de fuga:<\/strong> A corrente de fuga do condensador pode afetar o ponto de polariza\u00e7\u00e3o DC do circuito.<\/li>\n<\/ul>\n<p data-sourcepos=\"25:1-25:205\"><strong><span class=\"citation-12 recitation\">Essencialmente, um condensador de acoplamento CC funciona como uma ponte para sinais CA, isolando eficazmente os componentes CC, assegurando que cada fase de um circuito funciona de forma independente e correta.<\/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>Produto<\/b><\/strong>\u00a0<strong><b>Nome:<\/b><\/strong><\/td>\n<td width=\"601\"><strong>Condensador de acoplamento DC<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"146\">\n<h4><strong>Breve descri\u00e7\u00e3o:<\/strong><\/h4>\n<\/td>\n<td width=\"601\">Amplamente utilizado no circuito DC-Link para filtragem e desacoplamento de alta frequ\u00eancia<br \/>\nAmplamente utilizado em circuitos electr\u00f3nicos de pot\u00eancia, para fins de acoplamento<\/td>\n<\/tr>\n<tr>\n<td width=\"146\"><strong>Gama de capacit\u00e2ncias:<\/strong><\/td>\n<td width=\"601\">\u00a010\u03bcF - 100\u03bcF<\/td>\n<\/tr>\n<tr>\n<td width=\"146\"><strong>Tens\u00e3o nominal\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>Modelo de condensador:\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\/pt\/wp-json\/wp\/v2\/product\/1646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rf-capacitor.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/rf-capacitor.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/rf-capacitor.com\/pt\/wp-json\/wp\/v2\/comments?post=1646"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rf-capacitor.com\/pt\/wp-json\/wp\/v2\/media\/1647"}],"wp:attachment":[{"href":"https:\/\/rf-capacitor.com\/pt\/wp-json\/wp\/v2\/media?parent=1646"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/rf-capacitor.com\/pt\/wp-json\/wp\/v2\/product_brand?post=1646"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/rf-capacitor.com\/pt\/wp-json\/wp\/v2\/product_cat?post=1646"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/rf-capacitor.com\/pt\/wp-json\/wp\/v2\/product_tag?post=1646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}