The B72220U3151K502 from TDK Corporation is a Varistor with AC Voltage Rating 150 V, DC Voltage Rating 200 V, Clamping Voltage 395 V, Capacitance 2050 pF, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for B72220U3151K502 can be seen below.