High current protection in a solid electrolytic capacitor

Details High current protection in a solid electrolytic capacitor High current protection in a solid electrolytic capacitor

1976-06-28

1978-10-17

Miller, Jr., Stanley D.

Electricity: electrical systems and devices

Miscellaneous

337290, 361275, H01G 900

Patent

active

041212770

ABSTRACT:
When solid electrolytic capacitors are connected with incorrect polarities to a current source, short circuit currents flow. The capacitors may heat up to such an extent that the capacitor internal portions ignite and the casings of the capacitors, such as plastic casings, begin to burn. By providing a gap between a cathode terminal and a cathode contacting within the capacitor whereby the gap is bridged with a meltable circuit breaker such as solder, burning of the capacitor may be prevented. When internal portions of the capacitor heat due to incorrect polarity connections, the solder will melt and the current will be interrupted.

REFERENCES:
patent: 3236976 (1966-02-01), Rayno
patent: 3638083 (1972-01-01), Dornfeld et al.
patent: 3935516 (1976-01-01), Petrikat
patent: 3971970 (1976-07-01), Voyles et al.

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