{"id":1415,"date":"2018-04-30T20:42:16","date_gmt":"2018-04-30T20:42:16","guid":{"rendered":"https:\/\/riedon.com\/blog\/?p=1415"},"modified":"2018-04-30T20:42:16","modified_gmt":"2018-04-30T20:42:16","slug":"temperature-coefficient-of-resistance","status":"publish","type":"post","link":"https:\/\/riedon.com\/blog\/temperature-coefficient-of-resistance\/","title":{"rendered":"Temperature Coefficient of Resistance in Foil Resistors"},"content":{"rendered":"<h5>Temperature Coefficient of Resistance refers to how the resistance value varies due to changes in temperature.<\/h5>\n<div id=\"attachment_1427\" style=\"width: 160px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/riedon.com\/blog\/wp-content\/uploads\/2018\/04\/USR-2-0808.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1427\" class=\"wp-image-1427 size-thumbnail\" src=\"https:\/\/riedon.com\/blog\/wp-content\/uploads\/2018\/04\/USR-2-0808-150x150.png\" alt=\"USR 2-0808 image\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-1427\" class=\"wp-caption-text\">USR 2-0808 resistor<\/p><\/div>\n<p>One of a foil <a href=\"http:\/\/www.shunts.com\">resistor\u2019s<\/a> most important properties is Low Temperature Coefficient of Resistance, or TCR.\u00a0\u00a0This is especially true for applications like precision analog circuits that require tight temperature stability.\u00a0 A low temperature coefficient of resistance occurs in foil resistors not only because of the properties of the foil itself, the resistance of the foil will typically rise as the temperature increases.\u00a0 However, the difference in thermal expansion between the base material and the foil will cause a compression stress which acts to lower the resistance.\u00a0 Controlling and designing for these opposing effects can allow for a very stable resistor, resulting in specialized and unique construction techniques to optimize the nature of that interaction.\u00a0 TCRs of \u00b10.05ppm\/\u00b0C or even less are available with today\u2019s technology such as <a href=\"http:\/\/riedon.com\/media\/pdf\/USR2-0808.pdf\">Riedon\u2019s USR 2-0808 series.<\/a><\/p>\n<div id=\"attachment_1418\" style=\"width: 310px\" 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=\"wp-image-1418 size-medium\" src=\"https:\/\/riedon.com\/blog\/wp-content\/uploads\/2018\/04\/USR-TCR-graph-300x146.png\" alt=\"Temperature Coefficient of Resistance (TCR) curves for USR 2-0808\" width=\"300\" height=\"146\" srcset=\"https:\/\/riedon.com\/blog\/wp-content\/uploads\/2018\/04\/USR-TCR-graph-300x146.png 300w, https:\/\/riedon.com\/blog\/wp-content\/uploads\/2018\/04\/USR-TCR-graph.png 493w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1418\" class=\"wp-caption-text\">USR 2-0808 TCR characteristics<\/p><\/div>\n<h4>Foil products also exhibit a low power coefficient of resistance.<\/h4>\n<p>That is, they exhibit low self-heating due to the power they dissipate, which adds to their temperature stability.\u00a0 Known as thermal stabilization, this is a measure of how quickly the device\u2019s resistance stabilizes when exposed to a change in temperature, whether that\u2019s a result of ambient temperature changes or self-heating due to an increase in power dissipation. \u00a0Foil resistors are also a clear winner over other technologies in this case, stabilizing within a few seconds, while other technologies\u2019 response is in the order of minutes.<\/p>\n<p>In summary, there is far more that goes into extremely stable foil resistors than just selecting a foil.\u00a0 There are many foil materials available, and many substrates and the interactions of the two materials to each other must be fully understood to maximize the key performance factor of Temperature Coefficient of Resistance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Temperature Coefficient of Resistance refers to how the resistance value varies due to changes in temperature. One of a foil resistor\u2019s most important properties is Low Temperature Coefficient of Resistance, or TCR.\u00a0\u00a0This is especially true for applications like precision analog circuits that require tight temperature stability.\u00a0 A low temperature coefficient of resistance occurs in foil [&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":[382],"tags":[30,312,395],"class_list":["post-1415","post","type-post","status-publish","format-standard","hentry","category-precision-resistors","tag-foil","tag-foil-resistor","tag-resistors"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Temperature Coefficient of Resistance in Foil Resistors - Riedon Company Blog<\/title>\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\/temperature-coefficient-of-resistance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Temperature Coefficient of Resistance in Foil Resistors - Riedon Company Blog\" \/>\n<meta property=\"og:description\" content=\"Temperature Coefficient of Resistance refers to how the resistance value varies due to changes in temperature. One of a foil resistor\u2019s most important properties is Low Temperature Coefficient of Resistance, or TCR.\u00a0\u00a0This is especially true for applications like precision analog circuits that require tight temperature stability.\u00a0 A low temperature coefficient of resistance occurs in foil [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/riedon.com\/blog\/temperature-coefficient-of-resistance\/\" \/>\n<meta property=\"og:site_name\" content=\"Riedon Company Blog\" \/>\n<meta property=\"article:published_time\" content=\"2018-04-30T20:42:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/riedon.com\/blog\/wp-content\/uploads\/2018\/04\/USR-2-0808-150x150.png\" \/>\n<meta name=\"author\" content=\"Riedon\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Riedon\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/riedon.com\/blog\/temperature-coefficient-of-resistance\/\",\"url\":\"https:\/\/riedon.com\/blog\/temperature-coefficient-of-resistance\/\",\"name\":\"Temperature Coefficient of Resistance in Foil Resistors - Riedon Company Blog\",\"isPartOf\":{\"@id\":\"https:\/\/riedon.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/riedon.com\/blog\/temperature-coefficient-of-resistance\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/riedon.com\/blog\/temperature-coefficient-of-resistance\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/riedon.com\/blog\/wp-content\/uploads\/2018\/04\/USR-2-0808-150x150.png\",\"datePublished\":\"2018-04-30T20:42:16+00:00\",\"author\":{\"@id\":\"https:\/\/riedon.com\/blog\/#\/schema\/person\/681e90c5633c6da902462c1621100cf5\"},\"breadcrumb\":{\"@id\":\"https:\/\/riedon.com\/blog\/temperature-coefficient-of-resistance\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/riedon.com\/blog\/temperature-coefficient-of-resistance\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/riedon.com\/blog\/temperature-coefficient-of-resistance\/#primaryimage\",\"url\":\"https:\/\/riedon.com\/blog\/wp-content\/uploads\/2018\/04\/USR-2-0808.png\",\"contentUrl\":\"https:\/\/riedon.com\/blog\/wp-content\/uploads\/2018\/04\/USR-2-0808.png\",\"width\":293,\"height\":263},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/riedon.com\/blog\/temperature-coefficient-of-resistance\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/riedon.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Temperature Coefficient of Resistance in Foil Resistors\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/riedon.com\/blog\/#website\",\"url\":\"https:\/\/riedon.com\/blog\/\",\"name\":\"Riedon Company Blog\",\"description\":\"Resistors industry blog for manufacturers that use resistors\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/riedon.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/riedon.com\/blog\/#\/schema\/person\/681e90c5633c6da902462c1621100cf5\",\"name\":\"Riedon\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/riedon.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/e5622d9ef093e52bc70535e91fc42b2a?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/e5622d9ef093e52bc70535e91fc42b2a?s=96&d=mm&r=g\",\"caption\":\"Riedon\"},\"url\":\"https:\/\/riedon.com\/blog\/author\/Riedon\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Temperature Coefficient of Resistance in Foil Resistors - Riedon Company Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/riedon.com\/blog\/temperature-coefficient-of-resistance\/","og_locale":"en_US","og_type":"article","og_title":"Temperature Coefficient of Resistance in Foil Resistors - Riedon Company Blog","og_description":"Temperature Coefficient of Resistance refers to how the resistance value varies due to changes in temperature. 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