The B72225S4231K101 from TDK Corporation is a Varistor with AC Voltage Rating 230 V, DC Voltage Rating 300 V, Clamping Voltage 595 V, Capacitance 2250 pF, Temperature Operating Range -40 to 105 Degree C. Tags: Through Hole. More details for B72225S4231K101 can be seen below.