Bi-directional overvoltage protection device

Details Bi-directional overvoltage protection device Bi-directional overvoltage protection device

1986-11-04

1988-07-26

Edlow, Martin H.

357 38, 357 86, H01L 29747, H01L 2974

Patent

active

047604395

ABSTRACT:
A five layer two electrode semiconductor switching device which provides bi-directional overvoltage protection. The device is constructed so that relatively high holding currents are achieved without substantially altering its turn-on switching time, or its power handling capabilities. This is achieved by providing a shorting junction along both sides of the outer diffused regions of the device thereby substantially reducing its resistance when conducting.

REFERENCES:
patent: 3360696 (1967-12-01), Neilson et al.
patent: 3476993 (1969-11-01), Aldrich et al.
patent: 3928093 (1975-12-01), Van Tongerloo et al.
patent: 4511913 (1985-04-01), Nagano

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