Polycrystalline varistors with reduced overshoot

Details Polycrystalline varistors with reduced overshoot Polycrystalline varistors with reduced overshoot

1977-10-20

1979-06-05

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

H01C 710

Patent

active

041575270

ABSTRACT:
A metal oxide varistor structure having a reduced voltage overshoot is disclosed. In accordance with one embodiment of the invention, the varistor disk, for example, is provided with a relatively small region of reduced thickness, the amount of said thickness reduction being dependent upon the original thickness of the varistor substrate. The area of region of reduced thickness is selected to control conduction duration in the region of reduced thickness.

REFERENCES:
patent: 1995737 (1935-03-01), Everett
patent: 2253376 (1941-08-01), Johnson
patent: 4069465 (1978-01-01), Kouchich et al.

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