ECA1HHG331 Electrolytic Capacitor, 330 µF, 50 V, NHG Series, ± 20%, Radial. The Panasonic NHG series is automotive grade Type A, radial leaded polarized aluminium electrolytic capacitor. NHG series parts cover broad range of voltage ratings and capacitance values. Typical applications include audio, video and general purpose electronic circuits.