PTC thermal protector

Details PTC thermal protector PTC thermal protector

1986-04-04

1987-10-06

Goldberg, E. A.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

338 22SD, 338 25, 338 26, 338 30, 338328, 338332, 219544, H01C 710

Patent

active

046986146

ABSTRACT:
A thermal protector using a polymeric PTC element, with broad upper and lower surfaces, sandwiched between and held in intimate mechanical and electrical contact over substantially its entire broad surfaces with inner broad surfaces of upper and lower plate-terminals. Electrical insulation between the upper and lower plate-terminals outside the areas of contact of the plate-terminals and the PTC element electrically insulates the upper and lower plate-terminals from one another. The plate-terminals are clamped mechanically, preferably in such a way that the PTC element is biased continuously against the broad surfaces of the plate-terminals.

REFERENCES:
patent: 4327282 (1982-04-01), Nauerth
patent: 4395623 (1983-07-01), Shimoda et al.
patent: 4399423 (1983-08-01), Nield

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