{"id":18214,"date":"2024-12-04T08:19:45","date_gmt":"2024-12-04T11:19:45","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=18214"},"modified":"2024-12-04T08:19:57","modified_gmt":"2024-12-04T11:19:57","slug":"diac","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/diac\/","title":{"rendered":"Diac"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_fe8930ca5ce01d3c5dd6dc12171f699d\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/diodo\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/diodo\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>Diodo<\/a> DIAC<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O DIAC &eacute; um tipo especial de <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_fe8930ca5ce01d3c5dd6dc12171f699d\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/diodo\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/diodo\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>diodo<\/a> que apresenta o comportamento de ruptura com resist&ecirc;ncia negativa. Sua principal caracter&iacute;stica &eacute; permitir a condu&ccedil;&atilde;o de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_4710df4070fec638157d5fcb01d8a2fa\" data-link=\"https:\/\/hangarmma.com.br\/blog\/corrente-eletrica\/\" href=\"https:\/\/hangarmma.com.br\/blog\/corrente-eletrica\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">corrente el&#xE9;trica<\/a> apenas quando a tens&#xE3;o aplicada entre seus terminais atinge um valor de ruptura espec&#xED;fico, conhecido como tens&#xE3;o de disparo. Antes desse ponto, o DIAC se comporta como um <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_e2f1fa9d7585385943f64be84ba7aef6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/circuito-aberto\/\" href=\"https:\/\/hangarmma.com.br\/blog\/circuito-aberto\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">circuito aberto<\/a>, bloqueando a passagem da corrente. Ap&#xF3;s a ruptura, a resist&#xEA;ncia do dispositivo diminui rapidamente, permitindo a condu&#xE7;&#xE3;o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Existem duas formas principais de DIAC: unidirecional e bidirecional.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DIAC unidirecional:<\/strong> Este tipo conduz corrente em apenas uma dire&#xE7;&#xE3;o ap&#xF3;s atingir a tens&#xE3;o de disparo. Ele &#xE9; menos comum e &#xE9; utilizado em aplica&#xE7;&#xF5;es espec&#xED;ficas.<\/li>\n\n\n\n<li><strong>DIAC bidirecional:<\/strong> Este &#xE9; o tipo mais amplamente utilizado. Ele &#xE9; capaz de conduzir corrente em ambas as dire&#xE7;&#xF5;es, dependendo da <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_68df3eaef4ce59f51ab41aa391a7a658\" data-link=\"https:\/\/hangarmma.com.br\/blog\/polaridade\/\" href=\"https:\/\/hangarmma.com.br\/blog\/polaridade\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">polaridade<\/a> da tens&#xE3;o aplicada. Esse comportamento o torna ideal para controle de corrente alternada (CA), especialmente em circuitos de disparo de dispositivos como TRIACs, onde o DIAC fornece o impulso necess&#xE1;rio para acionar o TRIAC em ambos os semiciclos da onda de CA.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">O DIAC &#xE9; amplamente utilizado em aplica&#xE7;&#xF5;es de controle de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_555b5d38d6960552ca65f98e44b9c9b6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/potencia\/\" href=\"https:\/\/hangarmma.com.br\/blog\/potencia\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">pot&#xEA;ncia<\/a>, como dimmers de luz, controles de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_b538845fda1d032e858fa6b8d5d0879c\" data-link=\"https:\/\/hangarmma.com.br\/blog\/velocidade\/\" href=\"https:\/\/hangarmma.com.br\/blog\/velocidade\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">velocidade<\/a> para motores e reguladores de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_d24adcde90e488bb88458b096212a94d\" data-link=\"https:\/\/hangarmma.com.br\/blog\/temperatura\/\" href=\"https:\/\/hangarmma.com.br\/blog\/temperatura\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">temperatura<\/a>. Sua constru&#xE7;&#xE3;o simples e robusta, junto com sua <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_d2ce78e2048f5b83340b4f0e46878a04\" data-link=\"https:\/\/hangarmma.com.br\/blog\/capacidade\/\" href=\"https:\/\/hangarmma.com.br\/blog\/capacidade\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">capacidade<\/a> de operar em alta <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_d27d7c865ce18efdb69555b0792fcd46\" data-link=\"https:\/\/hangarmma.com.br\/blog\/frequencia-2\/\" href=\"https:\/\/hangarmma.com.br\/blog\/frequencia-2\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">frequ&#xEA;ncia<\/a> e em ambos os ciclos da corrente alternada, o torna essencial em circuitos eletr&#xF4;nicos que demandam controle eficiente de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_b8619216dd0506d51ad0093ac9f798ab\" data-link=\"https:\/\/hangarmma.com.br\/blog\/energia-2\/\" href=\"https:\/\/hangarmma.com.br\/blog\/energia-2\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">energia<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Diodo DIAC O DIAC \u00e9 um tipo especial de diodo que apresenta o comportamento de ruptura com resist\u00eancia negativa. Sua principal caracter\u00edstica \u00e9 permitir a condu\u00e7\u00e3o de corrente el\u00e9trica apenas quando a tens\u00e3o aplicada entre seus terminais atinge um valor de ruptura espec\u00edfico, conhecido como tens\u00e3o de disparo. Antes desse ponto, o DIAC se comporta [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-18214","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Diac - HANGAR MMA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hangarmma.com.br\/blog\/diac\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Diac - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"Diodo DIAC O DIAC \u00e9 um tipo especial de diodo que apresenta o comportamento de ruptura com resist\u00eancia negativa. 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