The VPORT0603L331V05 from Inpaq Technology is a Varistor with AC Voltage Rating 4 V, DC Voltage Rating 5.5 V, Clamping Voltage 32 V, Capacitance 231 to 429 pF, Temperature Operating Range -40 to 85 ºC. Tags: Surface Mount. More details for VPORT0603L331V05 can be seen below.