Wima MKS4 Series Metallised Polyester Capacitors 10% – Wima MKS4C042204C00KS, A 63V 2200nF industry standard metallised polyester (PET) capacitor. The capacitor has a high volume/capacitance ratio and is suitable for general purpose DC applications such as by-pass, blocking, coupling and decoupling, timing. Wima MKS4C042204C00KS MKS4 2.2uF ±10% 63V Radial Polyester Film Capacitor