{"id":1789,"date":"2021-03-16T20:12:22","date_gmt":"2021-03-16T20:12:22","guid":{"rendered":"https:\/\/riedon.com\/blog\/?p=1789"},"modified":"2021-03-16T20:13:06","modified_gmt":"2021-03-16T20:13:06","slug":"what-is-tcr-and-how-is-this-value-calculated","status":"publish","type":"post","link":"https:\/\/riedon.com\/blog\/what-is-tcr-and-how-is-this-value-calculated\/","title":{"rendered":"What is TCR and how is this value calculated?"},"content":{"rendered":"<h4>What is TCR?<\/h4>\n<div id=\"attachment_1418\" style=\"width: 503px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/riedon.com\/blog\/wp-content\/uploads\/2018\/04\/USR-TCR-graph.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1418\" class=\"size-full wp-image-1418\" src=\"https:\/\/riedon.com\/blog\/wp-content\/uploads\/2018\/04\/USR-TCR-graph.png\" alt=\"\" width=\"493\" height=\"240\" srcset=\"https:\/\/riedon.com\/blog\/wp-content\/uploads\/2018\/04\/USR-TCR-graph.png 493w, https:\/\/riedon.com\/blog\/wp-content\/uploads\/2018\/04\/USR-TCR-graph-300x146.png 300w\" sizes=\"(max-width: 493px) 100vw, 493px\" \/><\/a><p id=\"caption-attachment-1418\" class=\"wp-caption-text\">USR 2-0808 TCR characteristics<\/p><\/div>\n<p>The resistance value of a resistor changes with temperature and TCR stands for <strong>T<\/strong>emperature <strong>C<\/strong>oefficient of <strong>R<\/strong>esistance, which indicates that when the temperature changes by 1\u2103, there will be a relative change of resistance value in ppm\/\u2103. The resistance value will return to its initial value when the temperature returns to normal temperature.<\/p>\n<p>Calculation formula: TCR=((R2-R1)\/R1(T2-T1))*10^6<\/p>\n<p>Where:<\/p>\n<p>R1\uff1a\u00a0Resistance (\u03a9) measured under room temperature<br \/>\nR2\uff1a Resistance (\u03a9) measured at -55\u2103 or +125\u2103 for example<br \/>\nT1\uff1a\u00a0Room temperature.<br \/>\nT2\uff1a -55\u2103 or +125\u2103 for example<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is TCR? The resistance value of a resistor changes with temperature and TCR stands for Temperature Coefficient of Resistance, which indicates that when the temperature changes by 1\u2103, there will be a relative change of resistance value in ppm\/\u2103. The resistance value will return to its initial value when the temperature returns to normal [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[408,383,382,3,416,1,210],"tags":[395],"class_list":["post-1789","post","type-post","status-publish","format-standard","hentry","category-low-tcr","category-power-resistors","category-precision-resistors","category-resistors","category-shunts","category-uncategorized","category-wirewound-resistors-2","tag-resistors"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is TCR and how is this value calculated? - Riedon Company Blog<\/title>\n<meta name=\"description\" content=\"The resistance value of a resistor changes with temperature and TCR stands for Temperature Coefficient of Resistance, which indicates that when the temperature changes by 1\u2103, there will be a relative change of resistance value in ppm\/\u2103.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/riedon.com\/blog\/what-is-tcr-and-how-is-this-value-calculated\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is TCR and how is this value calculated? 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