The B72210P2551K101 from TDK Corporation is a Varistor with AC Voltage Rating 550 V, DC Voltage Rating 745 V, Clamping Voltage 1500 V, Capacitance 160 pF, Temperature Operating Range -40 to 105 ºC. Tags: Through Hole. More details for B72210P2551K101 can be seen below.