The B72440T8040S160 from TDK Corporation is a Varistor with AC Voltage Rating 4 V, DC Voltage Rating 5.5 V, Clamping Voltage 70 V, Capacitance 10 pF, Temperature Operating Range -40 to 85 Degree C. Tags: Surface Mount. More details for B72440T8040S160 can be seen below.