VARISTOR 320V 640V 40mm DISC; Product Range:FBMOV Series; Voltage Rating VDC:320V; Peak Surge Current @ 8/20 S:40kA; Varistor Case Style:-; Clamping Voltage Vc Max:640V; Peak Energy (10/1000uS):660J; Voltage Rating VAC:250V; MSL:-;RoHS Compliant: Yes