The ERZC20EK112Y from Panasonic Corporation is a Varistor with AC Voltage Rating 680 V, DC Voltage Rating 895 V, Clamping Voltage 1815 V, Capacitance 350 pF, Temperature Operating Range -40 to 85 Degree C. Tags: Chassis Mount. More details for ERZC20EK112Y can be seen below.