The MVS0603A090N491 from Meritek Electronics Corporation is a Varistor with AC Voltage Rating 7 V, DC Voltage Rating 9 V, Clamping Voltage 29 V, Capacitance 490 pF, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for MVS0603A090N491 can be seen below.