FIELD-EFFECT CONTROLLED BI-DIRECTIONAL LATERAL THYRISTOR.

摘要

A five terminal solid-state relay which represents the merger in a single semiconductive body of a pair of DMOS transistors (13, 14) in a common drain configuration in shunt with a parallel pair of oppositely poled thyristors (16, 17). This relay is combined with special control circuitry to form a normally OFF switch which is bilateral, able to hold off high voltages, can withstand large current of overvoltage surges, and can be switched on either electrically or optically.