ECW Metallized Plastic Film Capacitors Panasonic Electronic Components ECW series Metallized Plastic Film Capacitors are small, low loss polypropylene capacitors with excellent frequency characteristics and low hum. The capacitors are available in 250VDC, 450VDC, and 630VDC, and 800VDC with a capacitance range from 0.1µF to 6.8µF (250VDC, 450VDC, and 630VDC), and from 0.010µF to 0.047µF (800VDC). Applications for the ECW series include Lighting Control, Inverter Circuits, Active Filter Circuits, Snubber Circuits, High Frequency, and High Current Circuits.