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C37.90.1-1974  -  IEEE Guide for Surge Withstand Capability (SWC) Tests

Superseded by ANSI/IEEE Std C37.90.1-1989
StatusInactive  -  Superseded

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The development of the transistor resulted in semiconductor components being used in both relay and communication equipment. However, it was discovered that these components are sensitive to certain electrical surges. Surge withstand capability (SWC) tests are presented for relays so that the surges can be controlled and damage prevented.<>