The ZVX 17 S 0603 300 from Bourns is a Varistor with AC Voltage Rating 17 V, DC Voltage Rating 22 V, Clamping Voltage 48 V, Capacitance 100 pF, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for ZVX 17 S 0603 300 can be seen below.