US Patent 7408761 Film capacitor and method of manufacturing the same

A film capacitor suited to car-mount application, excellent in heat cycle tolerance and humidity resistance, and high in productivity, while maintaining low heat generation and low inductance characteristic is provided. The film capacitor comprises a film capacitor element, a bus bar as metal terminal connected to electrode of this film capacitor element, and a case for containing them, in which the film capacitor element and bus bar are packed within the case by plural layers of epoxy resin compositions, and the plural layers of epoxy resin compositions are composed so that the coefficient of linear expansion is smallest in the composition disposed in the uppermost layer.