Fail safe ceramic capacitor

Details Fail safe ceramic capacitor Fail safe ceramic capacitor

1986-09-29

1987-07-14

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

With protection or compensating means

361321, H01G 111, H01G 410

Patent

active

046806709

ABSTRACT:
A fail safe monolithic ceramic capacitor is disclosed, said capacitor being characterized in that a short circuit between an adjacent pairs of layers of electrode material functions merely to remove the shorted layers from the capacitor circuit leaving a capacitor which is intact but of a lower capacitive value. The capacitor includes a fuse defining a heating element which lies adjacent an external thin band of metal interposed between the fuse and a termination. Any overheating of the fuse results in a melting and shrinkage of the external band of metal with consequent disconnection of the pair of shorted electrodes.

REFERENCES:
patent: 3118095 (1964-01-01), Baron et al.
patent: 4433359 (1984-02-01), Hamabe et al.

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