The MLVS1210AM04212 from Inpaq Technology is a Varistor with AC Voltage Rating 4 V, DC Voltage Rating 5.5 V, Clamping Voltage 28 V, Capacitance 2100 pF, Temperature Operating Range -40 to 125 ºC. Tags: Surface Mount. More details for MLVS1210AM04212 can be seen below.