The MVS1812A160M452 from Meritek Electronics Corporation is a Varistor with AC Voltage Rating 12 V, DC Voltage Rating 16 V, Clamping Voltage 40 V, Capacitance 4500 pF, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for MVS1812A160M452 can be seen below.