The B72225M0381M301 from TDK Corporation is a Varistor with AC Voltage Rating 385 V, DC Voltage Rating 505 V, Clamping Voltage 1800 V, Capacitance 900 pF, Temperature Operating Range -40 to 85 Degree C. Tags: PCB Mount, Through Hole. More details for B72225M0381M301 can be seen below.