The MVS1206B390K-S from Meritek Electronics Corporation is a Varistor with AC Voltage Rating 25 V, DC Voltage Rating 30 V, Clamping Voltage 65 V, Capacitance 620 pF, Temperature Operating Range -50 to 85 Degree C. Tags: Surface Mount. More details for MVS1206B390K-S can be seen below.