Wima MKS4 Series Metallised Polyester Capacitors 20% – Wima MKS4O111002B00MS, A 1000V 1nF 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 MKS4O111002B00MS MKS4 1000pF ±20% 1000V Radial Polyester Film Capacitor