{"id":2258,"date":"2026-05-19T05:01:54","date_gmt":"2026-05-19T05:01:54","guid":{"rendered":"https:\/\/www.xkh-ceramics.com\/?post_type=product&#038;p=2258"},"modified":"2026-05-29T05:28:18","modified_gmt":"2026-05-29T05:28:18","slug":"alumina-ceramic-heat-sink-310x310-mm-al%e2%82%82o%e2%82%83-thermal-management-plate","status":"publish","type":"product","link":"https:\/\/www.xkh-ceramics.com\/pt\/product\/alumina-ceramic-heat-sink-310x310-mm-al%e2%82%82o%e2%82%83-thermal-management-plate\/","title":{"rendered":"Dissipador de calor de cer\u00e2mica de alumina 310\u00d7310 mm Al\u2082O\u2083 Placa de gest\u00e3o t\u00e9rmica"},"content":{"rendered":"<p data-start=\"394\" data-end=\"710\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium wp-image-2261 alignright\" src=\"https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/05\/Alumina-Ceramic-Heat-Sink-310\u00d7310-mm-Al\u2082O\u2083-Thermal-Management-Plate-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"\" sizes=\"(max-width: 300px) 100vw, 300px\" data-srcset=\"\" \/>A placa dissipadora de calor de cer\u00e2mica de alumina de 310 \u00d7 310 mm \u00e9 um componente de gest\u00e3o t\u00e9rmica de alto desempenho feito de \u00f3xido de alum\u00ednio de alta pureza (Al\u2082O\u2083). Foi concebida para aplica\u00e7\u00f5es que requerem uma dissipa\u00e7\u00e3o de calor eficiente, isolamento el\u00e9trico e estabilidade a longo prazo em ambientes de alta temperatura e alta tens\u00e3o.<\/p>\n<p data-start=\"712\" data-end=\"884\">Em compara\u00e7\u00e3o com os dissipadores de calor met\u00e1licos, a cer\u00e2mica de alumina oferece um isolamento el\u00e9trico superior, uma excelente resist\u00eancia \u00e0 corros\u00e3o e um desempenho est\u00e1vel em condi\u00e7\u00f5es de funcionamento dif\u00edceis.<\/p>\n<p data-start=\"886\" data-end=\"1033\">Esta placa de cer\u00e2mica de grande formato \u00e9 adequada para eletr\u00f3nica de pot\u00eancia, m\u00f3dulos LED, equipamentos de semicondutores e sistemas industriais de precis\u00e3o.<\/p>\n<hr data-start=\"1035\" data-end=\"1038\" \/>\n<h2 data-section-id=\"1y8un7j\" data-start=\"1040\" data-end=\"1058\">\u00a0Carater\u00edsticas principais<\/h2>\n<ul data-start=\"1060\" data-end=\"1389\">\n<li data-section-id=\"1x9683l\" data-start=\"1060\" data-end=\"1120\">Elevada condutividade t\u00e9rmica para uma dissipa\u00e7\u00e3o de calor eficiente<\/li>\n<li data-section-id=\"19srh1m\" data-start=\"1121\" data-end=\"1168\">Excelente desempenho de isolamento el\u00e9trico<\/li>\n<li data-section-id=\"s6vy75\" data-start=\"1169\" data-end=\"1217\">Elevada resist\u00eancia mec\u00e2nica e ao desgaste<\/li>\n<li data-section-id=\"bhsp01\" data-start=\"1218\" data-end=\"1276\">Desempenho est\u00e1vel em ambientes de alta temperatura<\/li>\n<li data-section-id=\"1b08t7j\" data-start=\"1277\" data-end=\"1319\">Boa resist\u00eancia qu\u00edmica e \u00e0 corros\u00e3o<\/li>\n<li data-section-id=\"1eoi0xe\" data-start=\"1320\" data-end=\"1389\">Superf\u00edcie rectificada de precis\u00e3o dispon\u00edvel para aplica\u00e7\u00f5es de elevada planicidade<\/li>\n<\/ul>\n<hr data-start=\"1391\" data-end=\"1394\" \/>\n<h2 data-section-id=\"14me2no\" data-start=\"1396\" data-end=\"1418\">\u00a0Op\u00e7\u00f5es de materiais<\/h2>\n<ul data-start=\"1420\" data-end=\"1580\">\n<li data-section-id=\"15swvgq\" data-start=\"1420\" data-end=\"1461\">95% Al\u2082O\u2083 (qualidade industrial padr\u00e3o)<\/li>\n<li data-section-id=\"1iieflf\" data-start=\"1462\" data-end=\"1513\">96% Al\u2082O\u2083 (op\u00e7\u00e3o de resist\u00eancia mec\u00e2nica melhorada)<\/li>\n<li data-section-id=\"1g5uvoo\" data-start=\"1514\" data-end=\"1580\">99% Al\u2082O\u2083 (Alta pureza, melhor isolamento e estabilidade t\u00e9rmica)<\/li>\n<\/ul>\n<hr data-start=\"1582\" data-end=\"1585\" \/>\n<h2 data-section-id=\"8lu2ky\" data-start=\"1587\" data-end=\"1617\">Especifica\u00e7\u00f5es t\u00e9cnicas<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1619\" data-end=\"2138\">\n<thead data-start=\"1619\" data-end=\"1643\">\n<tr data-start=\"1619\" data-end=\"1643\">\n<th class=\"last:pe-10\" data-start=\"1619\" data-end=\"1626\" data-col-size=\"sm\">Item<\/th>\n<th class=\"last:pe-10\" data-start=\"1626\" data-end=\"1643\" data-col-size=\"md\">Especifica\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1668\" data-end=\"2138\">\n<tr data-start=\"1668\" data-end=\"1706\">\n<td data-start=\"1668\" data-end=\"1679\" data-col-size=\"sm\">Material<\/td>\n<td data-col-size=\"md\" data-start=\"1679\" data-end=\"1706\">Cer\u00e2mica de alumina (Al\u2082O\u2083)<\/td>\n<\/tr>\n<tr data-start=\"1707\" data-end=\"1730\">\n<td data-start=\"1707\" data-end=\"1714\" data-col-size=\"sm\">Tamanho<\/td>\n<td data-start=\"1714\" data-end=\"1730\" data-col-size=\"md\">310 \u00d7 310 mm<\/td>\n<\/tr>\n<tr data-start=\"1731\" data-end=\"1775\">\n<td data-start=\"1731\" data-end=\"1743\" data-col-size=\"sm\">Espessura<\/td>\n<td data-start=\"1743\" data-end=\"1775\" data-col-size=\"md\">0,5 - 10,0 mm (personaliz\u00e1vel)<\/td>\n<\/tr>\n<tr data-start=\"1776\" data-end=\"1805\">\n<td data-start=\"1776\" data-end=\"1786\" data-col-size=\"sm\">Densidade<\/td>\n<td data-start=\"1786\" data-end=\"1805\" data-col-size=\"md\">3,6 - 3,9 g\/cm\u00b3<\/td>\n<\/tr>\n<tr data-start=\"1806\" data-end=\"1846\">\n<td data-start=\"1806\" data-end=\"1829\" data-col-size=\"sm\">Condutividade t\u00e9rmica<\/td>\n<td data-col-size=\"md\" data-start=\"1829\" data-end=\"1846\">20 - 30 W\/m-K<\/td>\n<\/tr>\n<tr data-start=\"1847\" data-end=\"1888\">\n<td data-start=\"1847\" data-end=\"1869\" data-col-size=\"sm\">Resist\u00eancia diel\u00e9ctrica<\/td>\n<td data-col-size=\"md\" data-start=\"1869\" data-end=\"1888\">\u2265 10 - 15 kV\/mm<\/td>\n<\/tr>\n<tr data-start=\"1889\" data-end=\"1925\">\n<td data-start=\"1889\" data-end=\"1910\" data-col-size=\"sm\">Resistividade de volume<\/td>\n<td data-col-size=\"md\" data-start=\"1910\" data-end=\"1925\">\u2265 10\u00b9\u2074 \u03a9-cm<\/td>\n<\/tr>\n<tr data-start=\"1926\" data-end=\"1965\">\n<td data-start=\"1926\" data-end=\"1946\" data-col-size=\"sm\">Resist\u00eancia \u00e0 flex\u00e3o<\/td>\n<td data-col-size=\"md\" data-start=\"1946\" data-end=\"1965\">\u2265 300 - 350 MPa<\/td>\n<\/tr>\n<tr data-start=\"1966\" data-end=\"1989\">\n<td data-start=\"1966\" data-end=\"1977\" data-col-size=\"sm\">Dureza<\/td>\n<td data-start=\"1977\" data-end=\"1989\" data-col-size=\"md\">\u2265 80 HRA<\/td>\n<\/tr>\n<tr data-start=\"1990\" data-end=\"2055\">\n<td data-start=\"1990\" data-end=\"2010\" data-col-size=\"sm\">Rugosidade da superf\u00edcie<\/td>\n<td data-start=\"2010\" data-end=\"2055\" data-col-size=\"md\">Ra \u2264 0,4 - 0,8 \u03bcm (op\u00e7\u00e3o de superf\u00edcie do solo)<\/td>\n<\/tr>\n<tr data-start=\"2056\" data-end=\"2112\">\n<td data-start=\"2056\" data-end=\"2067\" data-col-size=\"sm\">Planicidade<\/td>\n<td data-start=\"2067\" data-end=\"2112\" data-col-size=\"md\">\u2264 0,05 - 0,10 mm (consoante a espessura)<\/td>\n<\/tr>\n<tr data-start=\"2113\" data-end=\"2138\">\n<td data-start=\"2113\" data-end=\"2121\" data-col-size=\"sm\">Cor<\/td>\n<td data-start=\"2121\" data-end=\"2138\" data-col-size=\"md\">Marfim \/ Branco<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"2140\" data-end=\"2143\" \/>\n<h2 data-section-id=\"4t5b8m\" data-start=\"2145\" data-end=\"2163\"><img decoding=\"async\" class=\"size-medium wp-image-2260 alignright\" src=\"https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/05\/\u672a\u547d\u540d\u7684\u8bbe\u8ba1-69-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"\" sizes=\"(max-width: 300px) 100vw, 300px\" data-srcset=\"\" \/>Aplica\u00e7\u00f5es<\/h2>\n<ul data-start=\"2165\" data-end=\"2400\">\n<li data-section-id=\"1b2xr9q\" data-start=\"2165\" data-end=\"2200\">M\u00f3dulos de ilumina\u00e7\u00e3o LED de alta pot\u00eancia<\/li>\n<li data-section-id=\"1q2uxij\" data-start=\"2201\" data-end=\"2255\">Dispositivos semicondutores de pot\u00eancia (refrigera\u00e7\u00e3o IGBT, MOSFET)<\/li>\n<li data-section-id=\"rxjt36\" data-start=\"2256\" data-end=\"2286\">Equipamento de RF e micro-ondas<\/li>\n<li data-section-id=\"xhat7z\" data-start=\"2287\" data-end=\"2322\">Sistemas de isolamento de alta tens\u00e3o<\/li>\n<li data-section-id=\"ywzi5u\" data-start=\"2323\" data-end=\"2364\">Plataformas industriais de dissipa\u00e7\u00e3o de calor<\/li>\n<li data-section-id=\"1ujpytg\" data-start=\"2365\" data-end=\"2400\">Montagens electr\u00f3nicas de precis\u00e3o<\/li>\n<\/ul>\n<hr data-start=\"2402\" data-end=\"2405\" \/>\n<h2 data-section-id=\"128v01u\" data-start=\"2407\" data-end=\"2434\">Op\u00e7\u00f5es de personaliza\u00e7\u00e3o<\/h2>\n<ul data-start=\"2436\" data-end=\"2675\">\n<li data-section-id=\"v88utp\" data-start=\"2436\" data-end=\"2472\">Personaliza\u00e7\u00e3o do tamanho e da espessura<\/li>\n<li data-section-id=\"1sfyw6o\" data-start=\"2473\" data-end=\"2549\">Polimento de superf\u00edcies \/ lapida\u00e7\u00e3o \/ metaliza\u00e7\u00e3o (suporte de revestimento Ag, Au, Ni)<\/li>\n<li data-section-id=\"12ytxsi\" data-start=\"2550\" data-end=\"2585\">Corte a laser e maquinagem CNC<\/li>\n<li data-section-id=\"1wf7piy\" data-start=\"2586\" data-end=\"2621\">Perfura\u00e7\u00e3o e ranhura de precis\u00e3o<\/li>\n<li data-section-id=\"10r017e\" data-start=\"2622\" data-end=\"2675\">Grau de elevada planicidade para utiliza\u00e7\u00e3o em \u00f3tica\/semicondutores<\/li>\n<\/ul>\n<h2 data-start=\"0\" data-end=\"39\"><strong data-start=\"3\" data-end=\"39\">FAQ (Perguntas mais frequentes)<\/strong><\/h2>\n<p data-start=\"41\" data-end=\"423\"><strong data-start=\"41\" data-end=\"116\">Q1: A cer\u00e2mica de alumina \u00e9 melhor do que o alum\u00ednio para aplica\u00e7\u00f5es de dissipadores de calor?<\/strong><br data-start=\"116\" data-end=\"119\" \/>R: A cer\u00e2mica de alumina oferece uma condutividade t\u00e9rmica inferior \u00e0 do alum\u00ednio, mas proporciona um isolamento el\u00e9trico superior, maior resist\u00eancia \u00e0 temperatura e melhor estabilidade \u00e0 corros\u00e3o. \u00c9 ideal para ambientes de alta tens\u00e3o e eletr\u00f3nica de precis\u00e3o, onde os dissipadores de calor met\u00e1licos podem falhar devido a riscos de condutividade.<\/p>\n<p data-start=\"425\" data-end=\"752\"><strong data-start=\"425\" data-end=\"521\">Q2: A placa de cer\u00e2mica de 310 \u00d7 310 mm pode ser personalizada em diferentes formas ou padr\u00f5es de orif\u00edcios?<\/strong><br data-start=\"521\" data-end=\"524\" \/>R: Sim. A placa de cer\u00e2mica de alumina pode ser maquinada por CNC, cortada a laser, perfurada ou ranhurada de acordo com os requisitos do projeto. Est\u00e3o dispon\u00edveis geometrias, orif\u00edcios de montagem e padr\u00f5es de superf\u00edcie personalizados para necessidades espec\u00edficas de integra\u00e7\u00e3o de dispositivos.<\/p>\n<p data-start=\"754\" data-end=\"1145\" data-is-last-node=\"\" data-is-only-node=\"\"><strong data-start=\"754\" data-end=\"847\">Q3: O dissipador de calor em cer\u00e2mica ir\u00e1 fissurar sob altas temperaturas ou mudan\u00e7as r\u00e1pidas de temperatura?<\/strong><br data-start=\"847\" data-end=\"850\" \/>R: As cer\u00e2micas de alumina de elevada pureza t\u00eam uma excelente estabilidade t\u00e9rmica e podem suportar temperaturas de funcionamento elevadas. No entanto, como todas as cer\u00e2micas, s\u00e3o fr\u00e1geis sob choque mec\u00e2nico. A conce\u00e7\u00e3o adequada da montagem e o ciclo t\u00e9rmico controlado ajudam a garantir a fiabilidade a longo prazo em aplica\u00e7\u00f5es pr\u00e1ticas.<\/p>","protected":false},"excerpt":{"rendered":"<p>A placa dissipadora de calor de cer\u00e2mica de alumina de 310 \u00d7 310 mm \u00e9 um componente de gest\u00e3o t\u00e9rmica de alto desempenho feito de \u00f3xido de alum\u00ednio de alta pureza (Al\u2082O\u2083). Foi concebida para aplica\u00e7\u00f5es que requerem uma dissipa\u00e7\u00e3o de calor eficiente, isolamento el\u00e9trico e estabilidade a longo prazo em ambientes de alta temperatura e alta tens\u00e3o.<\/p>","protected":false},"featured_media":2260,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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