The VCAS080512A250 from Kyocera AVX is a Varistor with AC Voltage Rating 8.5 V, DC Voltage Rating 12 V, Clamping Voltage 27 V, Capacitance 525 pF, Temperature Operating Range -55 to 125 ºC. Tags: Surface Mount. More details for VCAS080512A250 can be seen below.