VARISTOR 1.025kV 10mm DISC; Peak Surge Current @ 8/20µS:2.5kA; Varistor Case:Disc 10mm; Clamping Voltage Vc Max:1.025kV; Peak Energy (10/1000uS):40J; Voltage Rating VDC:505V; Voltage Rating VAC:385V; Operating Temperature Min:-40°C