Metal Oxide VARISTOR, 330V 650V RAD; Peak Surge Current @ 8/20µS:6.5kA; Varistor Case:Disc 20mm; Clamping Voltage Vc Max:650V; Peak Energy (10/1000uS):130J; Voltage Rating VDC:330V; Voltage Rating VAC:250V; Series:LA; Voltage AC:250V;RoHS Compliant: Yes