The ZVX 2 S 0603 300 from Bourns is a Varistor with AC Voltage Rating 2 V, DC Voltage Rating 3.3 V, Clamping Voltage 10 V, Capacitance 200 pF, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for ZVX 2 S 0603 300 can be seen below.