The B72225S4301K101 from TDK Corporation is a Varistor with AC Voltage Rating 300 V, DC Voltage Rating 385 V, Clamping Voltage 775 V, Capacitance 1750 pF, Temperature Operating Range -40 to 105 Degree C. Tags: Through Hole. More details for B72225S4301K101 can be seen below.