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HIGH_SPEED_TRANSISTOR_RELAY

2016-05-07 20:09  
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HIGH_SPEED_TRANSISTOR_RELAY
Push-pull switch handles up to 10 amp with rise time of 50 microsec. Rising d-c voltage at input produces no output until predetermined level is reached, when power supply voltage is suddenly switched across load. Circuit remains locked in until input voltage drops below trip level. Trip voltage is determined largely by breakdown voltage of 1N437 zener diode.-D. L. Anderson, Fast Transistor Relay, Electronics, 31:11, p 145.