Kyocera Avx Vc120603D100Dp.
VARISTOR, 5V, 12V, 1206; Voltage Rating VAC:2.3V; Voltage Rating VDC:3.3V; Product Range:TransGuard Series; Clamping Voltage Vc Max:12V; Varistor Case Style:1206 ^3216 Metric]; Peak Surge Current @ 8/20µS:150A; Capacitance, Cd:4700pF