{"id":2290,"date":"2020-08-18T11:04:21","date_gmt":"2020-08-18T11:04:21","guid":{"rendered":"https:\/\/ibex.tech\/resources\/?p=2290"},"modified":"2022-02-18T15:05:15","modified_gmt":"2022-02-18T15:05:15","slug":"ptc-thermistors","status":"publish","type":"post","link":"https:\/\/ibex.tech\/resources\/geek-area\/electronics\/resistors\/ptc-thermistors","title":{"rendered":"PTC \/ Thermistors"},"content":{"rendered":"\n<p>PTC stands for Positive Temperature Coefficient and is simply another name for a thermistor.<\/p>\n\n\n\n<p>A PTC device will have a nominal resistance, for instance 1kohm, that it is normally at.  If it gets hot then its resistance increases.<\/p>\n\n\n\n<p>PTC&#8217;s are often used to protect inputs for instance in multimeters but not they are no fast-acting.  They have a thermal mass and take time to heat up and increase their resistance.  They are great for protecting against long term overload events, but not for fast-acting overloads &#8211; for those a MOV Metal Oxide Varistor is often used (often in combination with a PTC)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PTC stands for Positive Temperature Coefficient and is simply another name for a thermistor. A PTC device will have a nominal resistance, for instance 1kohm, that it is normally at. If it gets hot then its resistance increases. PTC&#8217;s are often used to protect inputs for instance in multimeters but not they are no fast-acting. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[82],"tags":[],"class_list":["post-2290","post","type-post","status-publish","format-standard","hentry","category-resistors"],"_links":{"self":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/2290","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=2290"}],"version-history":[{"count":1,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/2290\/revisions"}],"predecessor-version":[{"id":2291,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/2290\/revisions\/2291"}],"wp:attachment":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/media?parent=2290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/categories?post=2290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/tags?post=2290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}