The ERZC20EK361Y from Panasonic Corporation is a Varistor with AC Voltage Rating 230 V, DC Voltage Rating 300 V, Clamping Voltage 595 V, Capacitance 1300 pF, Temperature Operating Range -40 to 85 Degree C. Tags: Chassis Mount. More details for ERZC20EK361Y can be seen below.