The M3E230E5LB7 from Littelfuse is a Varistor with AC Voltage Rating 230 V, DC Voltage Rating 300 V, Clamping Voltage 595 V, Capacitance 370 pF, Temperature Operating Range -40 to 105 ºC. Tags: Through Hole. More details for M3E230E5LB7 can be seen below.