The MVS1210A180M312 from Meritek Electronics Corporation is a Varistor with AC Voltage Rating 14 V, DC Voltage Rating 18 V, Clamping Voltage 42 V, Capacitance 3100 pF, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for MVS1210A180M312 can be seen below.