The B72230M0381M401 from TDK Corporation is a Varistor with AC Voltage Rating 385 V, DC Voltage Rating 505 V, Clamping Voltage 1500 V, Capacitance 1250 pF, Temperature Operating Range -40 to 85 Degree C. Tags: PCB Mount, Through Hole. More details for B72230M0381M401 can be seen below.