The MLVS0805P04501 from Inpaq Technology is a Varistor with AC Voltage Rating 4 V, DC Voltage Rating 5.5 V, Clamping Voltage 22 V, Capacitance 500 pF, Temperature Operating Range -40 to 255 ºC. Tags: Surface Mount. More details for MLVS0805P04501 can be seen below.