Low-Ohm Series UR73V from KOA – wider value range, better heat resistance

KOA now offers its thick-film low-ohm series UR73V in size 1206 with a significantly extended value range. Whereas the resistance range previously extended from 10 mOhm to 100 mOhm, now 10 mOhm to 1 Ohm is possible with the UR73VH2B. In addition, the terminal temperature has been increased from 95⁰C to 125⁰C (ambient temperature: 70⁰C). The rated power is also exceptional for a thick-film resistor in size 1206, it is 1 Watt. The T.C.R. is specified with 100 ppm/K.  (https://www.koaglobal.com/-/media/Files/KOA_Global/EN/product/commonpdf/ur73v.pdf)


The UR73(V) series is offered in a non-automotive version (UR73) and in an automotive version (UR73V). The UR73 is available in sizes 0402 to 2512 with power ratings from 0.125 Watt to 1 Watt. The value range goes from 10 mOhm to 100 mOhm.
The UR73V is available in sizes 0805 and 1206, with power ratings of 0.5 Watt and 1 Watt. The resistance range goes from 10 mOhm to 100 mOhm, for the UR73VH2B even up to 1 Ohm. Of course, the UR73V meets the requirements of AEC-Q200.

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