12_V_CROWBAR

Published:2009/7/13 21:39:00 Author:May | From:SeekIC

Uses overvoltage-sensing zener to trigger SCR and place it across power supply line, blowing fuse within microseconds to protect transceiver. Optional diode provides protection from accidental reversal of supply polarity.-Circuits, 73 Magazine, July 1977, p 35.



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