The MV 40 K 105 MX from Bourns is a Varistor with AC Voltage Rating 40 V, DC Voltage Rating 56 V, Clamping Voltage 110 V, Capacitance 1000000 pF, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for MV 40 K 105 MX can be seen below.