The RV471K10_-HE from Stackpole Electronics is a Varistor with AC Voltage Rating 300 V, DC Voltage Rating 385 V, Clamping Voltage 775 V, Capacitance 240 pF, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for RV471K10_-HE can be seen below.