Littlefuse RXEF040 0.4A Polyswitch Fuse

Raychem
Order Code:

26-0715

Brand: Raychem MPN: RXEF040
Qty Unit Price (Ex VAT)
5+ £0.294
50+ £0.260
100+ £0.251
Price per unit {{ this._page.IncVat ? 'Inc' : 'Ex' }} VAT
Order in multiples of 5
66 in stock, despatched same dayAdditional quantity lead time 5 months

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.

Current - Hold 0.4A
Current - Trip 0.8A
Current - Max 40A
Voltage - Max 72V
Time to Trip 3.8s
Package/ Case Radial leaded
Size/ Dimension 7.6mm
Lead Spacing 5.1mm
Height 13.5mm
Initial Resistance 0.86Ω

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