The RV911K25_-HE from Stackpole Electronics is a Varistor with AC Voltage Rating 550 V, DC Voltage Rating 745 V, Clamping Voltage 1500 V, Capacitance 700 pF, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for RV911K25_-HE can be seen below.