{"id":1904,"date":"2023-12-19T14:43:08","date_gmt":"2023-12-19T14:43:08","guid":{"rendered":"https:\/\/www.mintecinno.com\/?p=1904"},"modified":"2024-04-09T03:41:16","modified_gmt":"2024-04-09T03:41:16","slug":"special-requirements-for-varistors-in-pcba-design","status":"publish","type":"post","link":"https:\/\/www.mintecinno.com\/pt_br\/special-requirements-for-varistors-in-pcba-design\/","title":{"rendered":"Requisitos especiais para varistores no projeto de PCBA"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Entendendo as demandas espec\u00edficas relacionadas a varistores em <a href=\"https:\/\/www.mintecinno.com\/pt_br\/\">Montagem de PCB<\/a> (<a href=\"https:\/\/www.cenpcba.com\/\">PCBA<\/a>) o design \u00e9 essencial. Aqui est\u00e1 um detalhamento do que <a href=\"https:\/\/www.mintecinno.com\/pt_br\/\">Projeto de PCBA<\/a> demandas de varistores:<\/p>\r\n\r\n\r\n\r\n<h2 id=\"h-operating-temperature-storage\" class=\"wp-block-heading\">Temperatura operacional\/armazenamento:<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Mantenha a temperatura de trabalho do circuito dentro da faixa especificada nas especifica\u00e7\u00f5es do produto. Depois de <a href=\"https:\/\/www.cenpcba.com\/\">montagem<\/a>Quando n\u00e3o estiver funcionando, armazene o circuito dentro da faixa de temperatura especificada para o produto. Evite usar temperaturas mais altas do que a temperatura m\u00e1xima de opera\u00e7\u00e3o especificada.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Tens\u00e3o operacional:<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Mantenha a tens\u00e3o aplicada nos terminais do varistor abaixo da tens\u00e3o m\u00e1xima permitida. O uso incorreto pode resultar em falha do produto, curtos-circuitos ou poss\u00edveis problemas de aquecimento. Embora a tens\u00e3o de uso deva estar abaixo da tens\u00e3o nominal, em casos de alta frequ\u00eancia cont\u00ednua ou tens\u00e3o de pulso, avalie cuidadosamente a confiabilidade do varistor.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Aquecimento de componentes:<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Assegure-se de que a temperatura da superf\u00edcie do varistor permane\u00e7a abaixo da temperatura operacional especificada mais alta (considerando a eleva\u00e7\u00e3o de temperatura causada pelo autoaquecimento do componente), conforme indicado nas especifica\u00e7\u00f5es do produto. Confirme a eleva\u00e7\u00e3o da temperatura do varistor devido \u00e0s condi\u00e7\u00f5es do circuito sob o estado operacional real do equipamento.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">\u00c1reas de uso restrito:<\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Os varistores n\u00e3o devem ser usados nos seguintes ambientes:<\/li>\r\n\r\n\r\n\r\n<li>Locais com \u00e1gua ou \u00e1gua salgada.<\/li>\r\n\r\n\r\n\r\n<li>\u00c1reas propensas \u00e0 condensa\u00e7\u00e3o.<\/li>\r\n\r\n\r\n\r\n<li>Locais com gases corrosivos (como sulfeto de hidrog\u00eanio, di\u00f3xido de enxofre, am\u00f4nia, etc.).<\/li>\r\n\r\n\r\n\r\n<li>Condi\u00e7\u00f5es em que a vibra\u00e7\u00e3o ou o choque excede a faixa especificada nas especifica\u00e7\u00f5es do produto.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Sele\u00e7\u00e3o de PCB:<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">O desempenho das placas de circuito de \u00f3xido de alum\u00ednio pode se deteriorar devido ao choque t\u00e9rmico (ciclo de temperatura). \u00c9 fundamental confirmar se a placa de circuito afeta a qualidade do produto durante o uso.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Ajuste do tamanho do bloco:<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Mais solda aumenta a press\u00e3o sobre o varistor, levando a problemas de qualidade, como rachaduras na superf\u00edcie. Portanto, ao projetar a almofada de solda na placa de circuito, as formas e os tamanhos adequados devem ser definidos de acordo com o volume de solda. Mantenha um tamanho igual para as almofadas de solda. Volumes de solda desiguais nas almofadas esquerda e direita podem causar solidifica\u00e7\u00e3o atrasada no lado com mais solda, levando a rachaduras induzidas por tens\u00e3o no outro lado durante o resfriamento da solda.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Configura\u00e7\u00e3o de componentes:<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Instala\u00e7\u00e3o de varistores em <a href=\"https:\/\/www.mintecinno.com\/pt_br\/\">PCBA<\/a> ou submeter as placas de circuito \u00e0 flex\u00e3o durante a opera\u00e7\u00e3o pode resultar em fraturas do varistor. Portanto, a configura\u00e7\u00e3o dos componentes deve considerar a resist\u00eancia da placa de circuito \u00e0 flex\u00e3o e evitar a aplica\u00e7\u00e3o de press\u00e3o excessiva.<\/p>","protected":false},"excerpt":{"rendered":"<p>Understanding the specific demands concerning varistors in PCB assembly (PCBA) design is essential. Here&#8217;s a breakdown of what PCBA design demands from varistors: Operating Temperature\/Storage: Maintain the working temperature of the circuit within the specified range outlined in the product&#8217;s specifications. After assembly, store the circuit within the product&#8217;s specified temperature range when it&#8217;s not [&hellip;]<\/p>","protected":false},"author":3,"featured_media":1905,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[45],"tags":[],"class_list":["post-1904","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Special Requirements for Varistors in PCBA Design - MTI PCBA<\/title>\n<meta name=\"description\" content=\"Explore the critical role of varistors in PCBA design. Learn about varistor specifications, operating conditions\" \/>\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.mintecinno.com\/pt_br\/special-requirements-for-varistors-in-pcba-design\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Special Requirements for Varistors in PCBA Design - MTI PCBA\" \/>\n<meta property=\"og:description\" content=\"Explore the critical role of varistors in PCBA design. Learn about varistor specifications, operating conditions\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mintecinno.com\/pt_br\/special-requirements-for-varistors-in-pcba-design\/\" \/>\n<meta property=\"og:site_name\" content=\"MTI PCBA\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-19T14:43:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-09T03:41:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.mintecinno.com\/wp-content\/uploads\/2023\/12\/Varistors.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"225\" \/>\n\t<meta property=\"og:image:height\" content=\"225\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"administrator\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"administrator\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/\",\"url\":\"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/\",\"name\":\"Special Requirements for Varistors in PCBA Design - MTI PCBA\",\"isPartOf\":{\"@id\":\"https:\/\/www.mintecinno.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.mintecinno.com\/wp-content\/uploads\/2023\/12\/Varistors.jpg\",\"datePublished\":\"2023-12-19T14:43:08+00:00\",\"dateModified\":\"2024-04-09T03:41:16+00:00\",\"author\":{\"@id\":\"https:\/\/www.mintecinno.com\/#\/schema\/person\/5165da83d54c7e4dccc90cbb37d02b71\"},\"description\":\"Explore the critical role of varistors in PCBA design. Learn about varistor specifications, operating conditions\",\"breadcrumb\":{\"@id\":\"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/#primaryimage\",\"url\":\"https:\/\/www.mintecinno.com\/wp-content\/uploads\/2023\/12\/Varistors.jpg\",\"contentUrl\":\"https:\/\/www.mintecinno.com\/wp-content\/uploads\/2023\/12\/Varistors.jpg\",\"width\":225,\"height\":225},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.mintecinno.com\/home\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Special Requirements for Varistors in PCBA Design\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.mintecinno.com\/#website\",\"url\":\"https:\/\/www.mintecinno.com\/\",\"name\":\"MTI PCBA\",\"description\":\"Electronic Manufacturing Service\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.mintecinno.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-BR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.mintecinno.com\/#\/schema\/person\/5165da83d54c7e4dccc90cbb37d02b71\",\"name\":\"administrator\",\"sameAs\":[\"http:\/\/www.mintecinno.com\"],\"url\":\"https:\/\/www.mintecinno.com\/pt_br\/author\/administrator\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Special Requirements for Varistors in PCBA Design - MTI PCBA","description":"Explore the critical role of varistors in PCBA design. Learn about varistor specifications, operating conditions","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.mintecinno.com\/pt_br\/special-requirements-for-varistors-in-pcba-design\/","og_locale":"pt_BR","og_type":"article","og_title":"Special Requirements for Varistors in PCBA Design - MTI PCBA","og_description":"Explore the critical role of varistors in PCBA design. Learn about varistor specifications, operating conditions","og_url":"https:\/\/www.mintecinno.com\/pt_br\/special-requirements-for-varistors-in-pcba-design\/","og_site_name":"MTI PCBA","article_published_time":"2023-12-19T14:43:08+00:00","article_modified_time":"2024-04-09T03:41:16+00:00","og_image":[{"width":225,"height":225,"url":"https:\/\/www.mintecinno.com\/wp-content\/uploads\/2023\/12\/Varistors.jpg","type":"image\/jpeg"}],"author":"administrator","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"administrator","Est. tempo de leitura":"2 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/","url":"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/","name":"Special Requirements for Varistors in PCBA Design - MTI PCBA","isPartOf":{"@id":"https:\/\/www.mintecinno.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/#primaryimage"},"image":{"@id":"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/#primaryimage"},"thumbnailUrl":"https:\/\/www.mintecinno.com\/wp-content\/uploads\/2023\/12\/Varistors.jpg","datePublished":"2023-12-19T14:43:08+00:00","dateModified":"2024-04-09T03:41:16+00:00","author":{"@id":"https:\/\/www.mintecinno.com\/#\/schema\/person\/5165da83d54c7e4dccc90cbb37d02b71"},"description":"Explore the critical role of varistors in PCBA design. Learn about varistor specifications, operating conditions","breadcrumb":{"@id":"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/#breadcrumb"},"inLanguage":"pt-BR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/"]}]},{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/#primaryimage","url":"https:\/\/www.mintecinno.com\/wp-content\/uploads\/2023\/12\/Varistors.jpg","contentUrl":"https:\/\/www.mintecinno.com\/wp-content\/uploads\/2023\/12\/Varistors.jpg","width":225,"height":225},{"@type":"BreadcrumbList","@id":"https:\/\/www.mintecinno.com\/special-requirements-for-varistors-in-pcba-design\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.mintecinno.com\/home\/"},{"@type":"ListItem","position":2,"name":"Special Requirements for Varistors in PCBA Design"}]},{"@type":"WebSite","@id":"https:\/\/www.mintecinno.com\/#website","url":"https:\/\/www.mintecinno.com\/","name":"MTI PCBA","description":"Servi\u00e7o de fabrica\u00e7\u00e3o eletr\u00f4nica","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.mintecinno.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pt-BR"},{"@type":"Person","@id":"https:\/\/www.mintecinno.com\/#\/schema\/person\/5165da83d54c7e4dccc90cbb37d02b71","name":"administrador","sameAs":["http:\/\/www.mintecinno.com"],"url":"https:\/\/www.mintecinno.com\/pt_br\/author\/administrator\/"}]}},"_links":{"self":[{"href":"https:\/\/www.mintecinno.com\/pt_br\/wp-json\/wp\/v2\/posts\/1904","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mintecinno.com\/pt_br\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mintecinno.com\/pt_br\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mintecinno.com\/pt_br\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mintecinno.com\/pt_br\/wp-json\/wp\/v2\/comments?post=1904"}],"version-history":[{"count":3,"href":"https:\/\/www.mintecinno.com\/pt_br\/wp-json\/wp\/v2\/posts\/1904\/revisions"}],"predecessor-version":[{"id":1923,"href":"https:\/\/www.mintecinno.com\/pt_br\/wp-json\/wp\/v2\/posts\/1904\/revisions\/1923"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mintecinno.com\/pt_br\/wp-json\/wp\/v2\/media\/1905"}],"wp:attachment":[{"href":"https:\/\/www.mintecinno.com\/pt_br\/wp-json\/wp\/v2\/media?parent=1904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mintecinno.com\/pt_br\/wp-json\/wp\/v2\/categories?post=1904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mintecinno.com\/pt_br\/wp-json\/wp\/v2\/tags?post=1904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}