The RV301K20_-HE from Stackpole Electronics is a Varistor with AC Voltage Rating 190 V, DC Voltage Rating 250 V, Clamping Voltage 500 V, Capacitance 1300 pF, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for RV301K20_-HE can be seen below.