Wima MKS4 Series Metallised Polyester Capacitors 20% – Wima MKS4D031002A00MS, A 100V 100nF 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 MKS4D031002A00MS MKS4 0.1uF ±20% 100V Radial Polyester Film Capacitor