The V5.5MLN41206 from Littelfuse is a Varistor with AC Voltage Rating 4 V, DC Voltage Rating 5.5 V, Clamping Voltage 15 V, Capacitance 430 to 520 pF, Temperature Operating Range -40 to 125 ºC. Tags: Surface Mount. More details for V5.5MLN41206 can be seen below.