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US 5,708,558 AGranted
Capacitor having dielectric material containing calcium oxide
AssigneeCommonwealth Sprague Capacitor Inc.
InventorAndrew E. Dequasie
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Abstract
A metalized film capacitor has a plurality of electrodes separated by dielectric spacers and contains a dielectric fill system including 1 to 50 wt % of calcium oxide scavenger. This dielectric fill system is especially useful in aluminum metalized film capacitors for AC service.
Claims5
A film capacitor comprising wound dielectric films having metalized surfaces, said wound films enclosed in a case, said case containing dielectric material surrounding said wound films, said material containing 1 to 50 weight percent of calcium oxide.
Dependencies are inferred from the claim text.