RXE090K polyswitch resettable fuse by Raychem (now littelfuse) Download Raychem RXE090K Polyswitch .pdf datasheet: Trip current: 1.8A Hold current: 900mA Max current: 40A Max voltage 72V Initial resistance 0.2R Lead pitch 5.1mm x 0.5mm diameter (24 AWG). Dimensions 15.8mm (to lead kink) x 10.2mm x 2.2mm UL , CSA and TUV approved RoHS compliant: no