The ERZC32EK821 from Panasonic Corporation is a Varistor with AC Voltage Rating 510 V, DC Voltage Rating 670 V, Clamping Voltage 1355 V, Capacitance 1800 pF, Temperature Operating Range -40 to 85 Degree C. Tags: Chassis Mount. More details for ERZC32EK821 can be seen below.