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Littlefuse RUEF500 5.0A Polyswitch Fuse

Order Code:  

26-0810

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Brand: Raychem  Copy to clipboard MPN: RUEF500 Copy to clipboard
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Qty Unit Price (Ex VAT)
5+ £0.670
50+ £0.544
100+ £0.453

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343 in Stock, despatched same dayAdditional quantity lead time 14 days

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 10A
  • Trip time 14.5 sec
  • Hold current 5A
  • Max voltage 30V
  • Max current 40A
  • Radial leaded package
  • Initial resistance 0.01 to 0.03R
  • Post-trip resistance 0.05R
  • Lead pitch 10.9mm
  • Dimensions 14mm x 7.6mm x 24.9mm
  • UL and TUV approved

Note: Previously manufactured by Raychem.

Trip Current 10A
Trip Time 14.5s
Max Current Rating 40A
Max Voltage Rating 30V
Height 24.1mm
Hold Current 5A
Initial Resistance 0.03Ω
Lead Pitch 10.9mm
Length 14mm
Package/Case Style Radial leaded

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