The RV561K20_-HE from Stackpole Electronics is a Varistor with AC Voltage Rating 350 V, DC Voltage Rating 460 V, Clamping Voltage 925 V, Capacitance 530 pF, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for RV561K20_-HE can be seen below.