The B72210P2421K101 from TDK Corporation is a Varistor with AC Voltage Rating 420 V, DC Voltage Rating 560 V, Clamping Voltage 1120 V, Capacitance 210 pF, Temperature Operating Range -40 to 105 ºC. Tags: Through Hole. More details for B72210P2421K101 can be seen below.