{"id":2278,"date":"2020-08-17T13:46:44","date_gmt":"2020-08-17T13:46:44","guid":{"rendered":"https:\/\/ibex.tech\/resources\/?p=2278"},"modified":"2022-02-18T15:05:15","modified_gmt":"2022-02-18T15:05:15","slug":"collector-emitter-sustaining-voltage","status":"publish","type":"post","link":"https:\/\/ibex.tech\/resources\/geek-area\/electronics\/transistors\/collector-emitter-sustaining-voltage","title":{"rendered":"Collector-Emitter Sustaining Voltage"},"content":{"rendered":"\n<p>Transistors are often specified with two collector-emitter max voltages:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>(Vces) collector-emitter voltage (Vbe=0V)<\/li><li>(Vceo) collector-emitter voltage (Ib=0A)<\/li><\/ul>\n\n\n\n<p>Vceo(sus) is the Collector-Emitter Sustaining Voltage and its confusing.  It&#8217;s basically the the collector-emitter breakdown voltage with the base open circuit, which is the most vulnerable state for a transistor.  This diagram from <a rel=\"noreferrer noopener\" href=\"http:\/\/personal.strath.ac.uk\/barry.williams\/Book\/Chapter%204old.pdf\" target=\"_blank\">Electrical Ratings and Characteristics of Power Semiconductor Switching Devices<\/a> gives a good explanation of what&#8217;s at play: <\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/collector-emitter-sustaining-voltage.png\" alt=\"\" class=\"wp-image-2279\" width=\"594\" height=\"561\" srcset=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/collector-emitter-sustaining-voltage.png 501w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/collector-emitter-sustaining-voltage-300x283.png 300w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/collector-emitter-sustaining-voltage-60x57.png 60w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/collector-emitter-sustaining-voltage-150x142.png 150w\" sizes=\"auto, (max-width: 594px) 100vw, 594px\" \/><\/figure>\n\n\n\n<p>Vceo is the left most line, demonstrating the maximum voltage before the transistor will breakdown with the base floating.<\/p>\n\n\n\n<p>If your transistor base won&#8217;t ever be floating, then this specification is not a limiting factor for you and your breakdown voltage will be based on one of the lines to the right of it (with the typical Vces specification being the 3rd line).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Transistors are often specified with two collector-emitter max voltages: (Vces) collector-emitter voltage (Vbe=0V) (Vceo) collector-emitter voltage (Ib=0A) Vceo(sus) is the Collector-Emitter Sustaining Voltage and its confusing. It&#8217;s basically the the collector-emitter breakdown voltage with the base open circuit, which is the most vulnerable state for a transistor. This diagram from Electrical Ratings and Characteristics of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[130],"tags":[],"class_list":["post-2278","post","type-post","status-publish","format-standard","hentry","category-transistors"],"_links":{"self":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/2278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/comments?post=2278"}],"version-history":[{"count":2,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/2278\/revisions"}],"predecessor-version":[{"id":2281,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/2278\/revisions\/2281"}],"wp:attachment":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/media?parent=2278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/categories?post=2278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/tags?post=2278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}