This easily-reproducible three-minute video demonstrates the comparative thermal shock and temperature coefficient of resistance (TCR) performance of three resistor technologies: thick film, thin film, and Bulk Metal Z-Foil technology. Also, because TCR is directly proportional to each technology's overall stability (such as load-life stability, short-term overload, shock and vibration, etc.), TCR can be used as a readily accessible figure of merit for each technology.
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