The M3E250E5LB7 from Littelfuse is a Varistor with AC Voltage Rating 250 V, DC Voltage Rating 320 V, Clamping Voltage 650 V, Capacitance 340 pF, Temperature Operating Range -40 to 105 ºC. Tags: Through Hole. More details for M3E250E5LB7 can be seen below.