Wima mks4 series metallised polyester capacitors 20 wima mks4j021002b00ms a 630v 10nf industry standard metallised polyester pet capacitor the capacitor has a high volumecapacitance ratio and is suitable for general purpose dc applications such as by pass blocking coupling and decoupling timing wima mks4j021002b00ms mks4 001uf 20 630v radial polyester film capacitor