Solid state electronic protector with pressure release

Details Solid state electronic protector with pressure release Solid state electronic protector with pressure release

1990-08-20

1993-05-04

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361127, 361 56, H02H 322, H04M 174

Patent

active

052087239

ABSTRACT:
A telephone line overcurrent protector adapted to be mounted on a circuit board is shown having a cup shaped housing in which a PTC element is placed with leads extending out of the housing through apertures in a bottom cover. The bottom cover is formed in one embodiment with a frangible diaphragm to provide guided pressure release upon catastrophic failure of the PTC element, in another embodiment with open apertures in the bottom cover and in yet another embodiment with means to mount a snap out member closing an aperture in the bottom cover, both for the same purpose of providing guided pressure release.

REFERENCES:
patent: 3560794 (1971-02-01), Christener
patent: 3568013 (1971-03-01), Blaha
patent: 4876713 (1989-10-01), Crosby et al.

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