RXEF075 polyswitch resettable fuse by Littelfuse (formerly Raychem) Download Littelfuse resettable fuse datasheet: Trip current 1.55A Hold current 0.75A Max current 40A Max voltage 72V Initial resistance 0.25R Lead pitch 5.1mm x 0.15mm diameter. Dimensions 15.0mm x 10.2mm x 3mm UL and TUV approved RoHS compliant: YES