Semiconductor device having a surge protecting element

Details Semiconductor device having a surge protecting element Semiconductor device having a surge protecting element

1991-06-24

1992-11-10

Jackson, Jr., Jerome

Active solid-state devices (e.g., transistors, solid-state diode

Regenerative type switching device

Combined with field effect transistor

361100, 361101, 257328, 257360, 257363, H01L 2978, H01L 2990, H02H 322

Patent

active

051629666

ABSTRACT:
A MOSFET semiconductor device has a surge protecting element comprising a transistor element having a gate electrode, a source electrode, and a drain electrode. A Zener diode having a cathode electrode and an anode electrode is connected to the drain electrode of the transistor element. A lateral MOSFET element has a gate electrode and a drain electrode connected to the anode electrode of the Zener diode, a source electrode connected to the gate electrode of the transistor element, and a back gate electrode connected to the source electrode of the transistor element.

REFERENCES:
patent: 4061928 (1977-12-01), Kessler
patent: 4858055 (1989-08-01), Okitaka

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