Metal Alloy Resistors Offer Robustness And Other Benefits For Current Sensing
by Bryan Yarborough, Vishay, Wendell, N.C., How2Power Today, May 16 2016
Focus:
For current-sensing applications, metal alloy resistors provide a more robust technology
than thick film devices. Although metal alloy resistors have been around for decades,
their capabilities have evolved to offer higher power ratings, extended resistance ranges,
and Kelvin connections for increased accuracy. Vishay's Power Metal Strip resistors
feature the Kelvin connection in combination with the ability to operate at very high
temperature (275°C) and tight tolerance (0.1%). This article offers background on how the
different resistor technologies (mainly thick film and metal alloy) compare with respect
to current sensing and discusses the specific features of the Power Metal Strip series.
What you’ll learn:
- How to understand the benefits of the latest metal alloy resistors in current sensing applications
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