{"id":634,"date":"2010-06-17T22:27:39","date_gmt":"2010-06-17T22:27:39","guid":{"rendered":"https:\/\/ibex.tech\/resources\/?p=634"},"modified":"2022-02-18T15:05:18","modified_gmt":"2022-02-18T15:05:18","slug":"rc-filter","status":"publish","type":"post","link":"https:\/\/ibex.tech\/resources\/geek-area\/electronics\/capacitors\/rc-filter","title":{"rendered":"RC Filter"},"content":{"rendered":"<h4>\n<a href=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/rc_filter.png\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" class=\"alignnone size-medium wp-image-1961\" height=\"115\" src=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/rc_filter-300x115.png\" width=\"300\" srcset=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/rc_filter-300x115.png 300w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/rc_filter-60x23.png 60w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/rc_filter-150x57.png 150w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/rc_filter.png 317w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\n<\/h4>\n<h4>\nRC calculation<br \/>\n<\/h4>\n<p>\nT=RC, so:\n<\/p>\n<pre>\r\n<code>\r\n          Time\r\n\r\n  Resistance&nbsp;&nbsp; Capacitance<\/code><\/pre>\n<p>\nor\n<\/p>\n<pre>\r\n<code>\r\n      mS\t  \r\n\r\n  Kohms   uF<\/code><\/pre>\n<p>\nor\n<\/p>\n<pre>\r\n<code>\r\n    Seconds\r\n\r\n  ohms      F<\/code><\/pre>\n<p>\nThe result gives you 1T. This is 1 time period. So for 1000uF and a 1K resistor T = 1000mS\n<\/p>\n<p>\nFor charging and discharging a capacitor:\n<\/p>\n<p style=\"padding-left: 30px;\">\n1T 63%<br \/>\n2T 86.5%<br \/>\n3T 95% (this tends to be the default usage with 95% considered basically there)<br \/>\n4T 98% (this tends to be considered as 100% charged \/ discharged)<br \/>\n(in theory 100% is infinite)\n<\/p>\n<p>\nDifferent voltages don&#39;t change the time to reach 1T, but will of course change the voltage&nbsp;measured at 1T (63% of the applied voltage).&nbsp; E.g. if a 12V supply is connected via 1K to a 1000uF cap it would take 1000mS to reach 7.56V, 3000mS to reach 11.4V. Its exactly the same for discharging a capacitor.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RC calculation T=RC, so: Time Resistance&nbsp;&nbsp; Capacitance or mS Kohms uF or Seconds ohms F The result gives you 1T. This is 1 time period. So for 1000uF and a 1K resistor T = 1000mS For charging and discharging a capacitor: 1T 63% 2T 86.5% 3T 95% (this tends to be the default usage with [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30,49],"tags":[],"class_list":["post-634","post","type-post","status-publish","format-standard","hentry","category-capacitors","category-filters"],"_links":{"self":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/634","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=634"}],"version-history":[{"count":4,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/634\/revisions"}],"predecessor-version":[{"id":1963,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/634\/revisions\/1963"}],"wp:attachment":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/media?parent=634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/categories?post=634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/tags?post=634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}