Metal oxide varistor with controllable breakdown voltage and cap

Details Metal oxide varistor with controllable breakdown voltage and cap Metal oxide varistor with controllable breakdown voltage and cap

1983-06-16

1985-01-22

Bueker, Richard

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

357 10, 427101, 427103, 4273722, 427404, 4274192, 29621, 338 20, H01C 712

Patent

active

044954824

ABSTRACT:
A metal oxide varistor with controllable breakdown voltage and capacitance characteristics is fabricated by controlled diffusion of lithium into conventional metal oxide varistor material at elevated temperature. The varistor layer containing lithium exhibits an increased breakdown voltage, lowered capacitance, and low leakage current while maintaining a high coefficient of nonlinearity.

REFERENCES:
patent: 3723175 (1973-03-01), Masuyama et al.
patent: 3760318 (1973-09-01), Masuyama et al.
patent: 3899451 (1975-08-01), Ichinose et al.
patent: 4147670 (1979-04-01), Shohata et al.

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