The B72220S0250K101 from TDK Corporation is a Varistor with AC Voltage Rating 25 V, DC Voltage Rating 31 V, Clamping Voltage 77 V, Capacitance 11100 pF, Temperature Operating Range -40 to 105 ºC. Tags: Through Hole. More details for B72220S0250K101 can be seen below.