The MVS1812B270K-S from Meritek Electronics Corporation is a Varistor with AC Voltage Rating 17 V, DC Voltage Rating 22 V, Clamping Voltage 44 V, Capacitance 4150 pF, Temperature Operating Range -50 to 85 Degree C. Tags: Surface Mount. More details for MVS1812B270K-S can be seen below.