The MVS1210B330K-S from Meritek Electronics Corporation is a Varistor with AC Voltage Rating 20 V, DC Voltage Rating 26 V, Clamping Voltage 54 V, Capacitance 1400 pF, Temperature Operating Range -50 to 85 Degree C. Tags: Surface Mount. More details for MVS1210B330K-S can be seen below.