{"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\/es\/special-requirements-for-varistors-in-pcba-design\/","title":{"rendered":"Requisitos especiales para varistores en el dise\u00f1o de PCBA"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Comprender las exigencias espec\u00edficas relativas a los varistores en <a href=\"https:\/\/www.mintecinno.com\/es\/\">Montaje de PCB<\/a> (<a href=\"https:\/\/www.cenpcba.com\/\">PCBA<\/a>) es esencial. He aqu\u00ed un desglose de lo que <a href=\"https:\/\/www.mintecinno.com\/es\/\">Dise\u00f1o de PCBA<\/a> demandas de los varistores:<\/p>\r\n\r\n\r\n\r\n<h2 id=\"h-operating-temperature-storage\" class=\"wp-block-heading\">Temperatura de funcionamiento\/almacenamiento:<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Mantenga la temperatura de trabajo del circuito dentro del rango especificado en las especificaciones del producto. Despu\u00e9s de <a href=\"https:\/\/www.cenpcba.com\/\">montaje<\/a>, almacene el circuito dentro del rango de temperatura especificado del producto cuando no est\u00e9 operativo. Evite utilizar temperaturas superiores a la temperatura m\u00e1xima de funcionamiento especificada.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Tensi\u00f3n de funcionamiento:<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Mantenga la tensi\u00f3n aplicada a trav\u00e9s de los terminales del varistor por debajo de la tensi\u00f3n m\u00e1xima admisible. Un uso incorrecto podr\u00eda provocar fallos en el producto, cortocircuitos o posibles problemas de calentamiento. Aunque la tensi\u00f3n de uso debe ser inferior a la tensi\u00f3n nominal, en casos de tensi\u00f3n continua de alta frecuencia o de impulsos, eval\u00fae detenidamente la fiabilidad del varistor.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Calefacci\u00f3n por componentes:<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Aseg\u00farese de que la temperatura de la superficie del varistor se mantiene por debajo de la temperatura de funcionamiento m\u00e1xima especificada (teniendo en cuenta la elevaci\u00f3n de temperatura causada por el autocalentamiento del componente), tal como se indica en las especificaciones del producto. Confirme la elevaci\u00f3n de la temperatura del varistor debida a las condiciones del circuito en el estado operativo real del equipo.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Zonas de uso restringido:<\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Los varistores no deben utilizarse en los siguientes entornos:<\/li>\r\n\r\n\r\n\r\n<li>Lugares con agua o agua salada.<\/li>\r\n\r\n\r\n\r\n<li>Zonas propensas a la condensaci\u00f3n.<\/li>\r\n\r\n\r\n\r\n<li>Lugares con gases corrosivos (como sulfuro de hidr\u00f3geno, di\u00f3xido de azufre, amon\u00edaco, etc.).<\/li>\r\n\r\n\r\n\r\n<li>Condiciones en las que la vibraci\u00f3n o el choque superan el rango especificado en las especificaciones del producto.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Selecci\u00f3n de PCB:<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">El rendimiento de las placas de circuitos de \u00f3xido de aluminio puede deteriorarse debido al choque t\u00e9rmico (ciclos de temperatura). Es crucial confirmar si la placa de circuito afecta a la calidad del producto durante su uso.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Ajuste del tama\u00f1o de la almohadilla:<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Un mayor volumen de soldadura aumenta la presi\u00f3n sobre el varistor, lo que provoca problemas de calidad como grietas superficiales. Por lo tanto, al dise\u00f1ar la almohadilla de soldadura en la placa de circuito, deben establecerse formas y tama\u00f1os adecuados en funci\u00f3n del volumen de soldadura. Mantenga un tama\u00f1o igual para las almohadillas de soldadura. Los vol\u00famenes de soldadura desiguales en las almohadillas izquierda y derecha pueden retrasar la solidificaci\u00f3n en el lado con m\u00e1s soldadura, lo que provocar\u00eda grietas inducidas por la tensi\u00f3n en el otro lado durante el enfriamiento de la soldadura.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Configuraci\u00f3n de componentes:<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Instalaci\u00f3n de varistores en <a href=\"https:\/\/www.mintecinno.com\/es\/\">PCBA<\/a> o someter las placas de circuito a flexiones durante el funcionamiento puede provocar fracturas en los varistores. Por lo tanto, al configurar los componentes debe tenerse en cuenta la resistencia a la flexi\u00f3n de la placa de circuito y evitar aplicar una presi\u00f3n excesiva.<\/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. 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