The MLVS0603L04 from INPAQ Technology is a Varistor with AC Voltage Rating 4 V, DC Voltage Rating 5.5 V, Clamping Voltage 24 V, Capacitance 270 pF, Temperature Operating Range -40 to 85 ºC. Tags: Surface Mount. More details for MLVS0603L04 can be seen below.