Military- Vs. Commercial-Grade Resistors: Reliability, Performance And Cost Tradeoffs
by Kory Schroeder, Stackpole Electronics, Raleigh, N.C, How2Power Today, May 14 2021
Focus:
Military-spec resistors provide an essential function in high reliability applications.
However, unless you are dealing with such applications regularly, understanding what
military-spec (military-grade) resistors offer compared to commercial resistors can be
challenging. For example, a key distinction among military-spec resistors is whether or
not they offer established reliability. This article explains in broad terms how military
specifications address reliability in the manufacturing, testing, inspection and
processing of resistors, and how these aspects compare with those used to produce
commercial- and automotive-grade resistors. This article may help designers determine
whether they actually need mil-spec resistors or can accept automotive- or commercial-
grade components.
What you’ll learn:
- How to understand the differences between military-, automotive- and commercial-grade resistors
- How to determine whether mil-spec resistors are needed in an application
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