Littlefuse RXEF040 0.4A Polyswitch Fuse

The Littelfuse Polyswitch is a resettable device that performs like a fuse under overcurrent conditions, but is unique in that it will reset. As soon as an overcurrent condition is reached the Polyswitch heats up to its trip temperature.

* Trip current 0.8A * Trip time 3.8 sec * Hold current 0.4A * Max voltage 72V * Max current 40A * Radial leaded package * Initial resistance 0.55 to 0.86R * Post-trip resistance 1.29R * Lead pitch 5.1mm * Dimensions 7.6mm x 7.6mm x 13.5mm * UL and TUV approved

Note: Previously manufactured by Raychem.