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Littlefuse RXEF040 0.4A Polyswitch Fuse

Order Code:  

26-0715

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Brand: Raychem  Copy to clipboard MPN: RXEF040 Copy to clipboard
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Qty Unit Price (Ex VAT)
5+ £0.365
50+ £0.299
100+ £0.248

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Order in multiples of 5
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176 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.

Height 13.5mm
Hold Current 0.4A
Initial Resistance 0.86Ω
Lead Pitch 5.1mm
Length 7.6mm
Max Current Rating 40A
Max Voltage Rating 72V
Package/Case Style Radial leaded
Trip Current 0.8A
Trip Time 3.8s

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