Materials for packaging circuit protection devices

Details Materials for packaging circuit protection devices Materials for packaging circuit protection devices

1985-03-14

1987-03-03

Goldberg, E. A.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

338 20, 338319, H01C 710

Patent

active

046478965

ABSTRACT:
Circuit protection devices which have a PTC conductive polymer element and an enclosure which is spaced apart from the PTC element and at least a part of whose interior surface is composed of a material which has an oxygen index of at least 70 and has a thermoset polymer, preferably an alkyd resin, and a filler, such as alumina trihydrate, which, when heated in the absence of air, decomposes to give a gaseous by-product.

REFERENCES:
patent: 4481498 (1984-11-01), McTavish et al.

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