The ERZC32EK781 from Panasonic Corporation is a Varistor with AC Voltage Rating 485 V, DC Voltage Rating 640 V, Clamping Voltage 1290 V, Capacitance 1900 pF, Temperature Operating Range -40 to 85 Degree C. Tags: Chassis Mount. More details for ERZC32EK781 can be seen below.