The MVS0402A5V5N900 from Meritek Electronics Corporation is a Varistor with AC Voltage Rating 4 V, DC Voltage Rating 5.5 V, Clamping Voltage 30 V, Capacitance 90 pF, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for MVS0402A5V5N900 can be seen below.