Headquartered in Japan, KOA Corporation is one of the world's largest manufacturers of passive components such as special thick and thin film resistors, high voltage divider and precision resistor arrays, current sensing shunts as well as multilayer ceramic LTCC substrates. KOA Europe GmbH, based near Hamburg, serves a broad range of the European markets, including automotive, industrial, medical, alternative energy and various other market segments.The majority of the KOA parts are AEC-Q200 tested.KOA Corporation is certified acc. to DIN EN ISO 9001, IATF 16949 and ISO 14001.