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Description
Eimac grid-controlled mercury vapor rectifier, introduced pre-World War II as a grid-controlled version of the RX21. According to the 1953 product sheet,"a pair of KY21's in a conventional single phase full wave circuit will supply a d-c power output of 5 kilowatts (3500 volts at 1.5 amperes) with a choke input filter." White ceramic base with five pins.
Type
image
Identifier
D464E328-F385-4F92-A0EC-234062325121 2003-1-479
Subject
Nineteen forties Eitel-McCullough, Inc Nineteen thirties Nineteen fifties Electric current rectifiers
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