PPS are non-inductively wound with polypropylene,dielectric and metallized polypropylene film in series with aluminum foil for electrodes using copper-clad steel leads anf epoxy resin coating.

• PPS为非感应式,用聚丙烯电介质和镀金属聚丙烯薄膜串联以铝箔为电极绕制而成，导线采用镀锡铜包线，采用环氧树脂包封。