Novel designs for packaging circuit protection devices

Details Novel designs for packaging circuit protection devices Novel designs 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

361 12, 361106, 339111, H01C 710

Patent

active

046478949

ABSTRACT:
Circuit protection devices which comprise a PTC conductive polymer element and an enclosure, and which are less likely to cause damage to other electrical components through release of carbonaceous dust. On the interior surface of the enclosure, there is a projection or other disconformity which is spaced apart from the electrodes and which provides a site for arc initiation. In this way, the danger of erosion creating a hole in the enclosure is reduced. Preferably each of the electrodes is surrounded by a projection.

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