Wima mks4 series metallised polyester capacitors 10 wima mks4g031003f00ks a 400v 100nf 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 mks4g031003f00ks 100nf 10 400v 10mm pitch polyester capacitor