![\"\"](\"\/blog\/wp-content\/uploads\/2011\/03\/Voltage-divider.png\" "\\"matched")
<\/a>matched resistors<\/p><\/div>\n
a resistance of 100\u03a9, a tolerance of 5%, and a TCR of 25 +<\/span> 5 ppm. You may add additional parameters to this set calling for the pair to be no more than 1% apart and also within 5ppm of each other. If resistor \u2018A\u2019 is 95\u03a9 and resistor \u2018B\u2019 is 105\u03a9, both of which are within their individual tolerances, then these resistors would not<\/em> be matched since they deviate more than 1% in comparison to each other. Conversely if resistor \u2018A\u2019 has a ppm of 20 while resistor \u2018B\u2019 has a ppm of 25, then the TCR of these resistors would be matched since they meet the requirement of being no more than 5ppm apart from each other. It is important to consider TCR as well due to the variation in resistance as the components heat up, which may flaw your design. This is not limited to only a pair of resistors and can be applied to as many as your application needs.<\/p>\nThere are applications<\/p>\n
where choosing matched resistors is sometimes necessary and advantageous financially. Take for example a simple voltage divider. If precision in the output voltage is important in your design then choosing a set of matched resistors is crucial. You may be wondering why you wouldn\u2019t select some precision resistors for your design instead and you wouldn\u2019t be wrong in assuming so. However in applications where the ratio of the resistors is more important thanthe precision of the resistors, it would cost less to purchase a set of resistors with a tolerance of 1% matched to 0.1% than to produce a set of resistors with a tolerance of 0.1%.<\/p>\n
Some industries of interest are oil and gas in their use of down-hole instruments and various military applications and scale instrumentation. If you are unsure whether or not you are able to apply matched resistors in your application, please do not hesitate to ask Riedon. With over x years of experience in producing custom resistors, we are confident in our ability to assist you in your design<\/p>\n","protected":false},"excerpt":{"rendered":"
Matched resistors are a set of resistors where an additional parameter(s) is given to link the resistors. For example, resistor \u2018A\u2019 and resistor \u2018B\u2019 have a resistance of 100\u03a9, a tolerance of 5%, and a TCR of 25 + 5 ppm. You may add additional parameters to this set calling for the pair to be […]<\/p>\n","protected":false},"author":3,"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":[3],"tags":[63,76,81,395,101],"class_list":["post-342","post","type-post","status-publish","format-standard","hentry","category-resistors","tag-matched-resistors","tag-power-resistors","tag-precision-resistors","tag-resistors","tag-riedon"],"yoast_head":"\n
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