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Littlefuse RXEF030 0.3A Polyswitch Fuse

Standard range
Order Code:  

26-0710

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Brand: Raychem  Copy to clipboard MPN: RXEF030 Copy to clipboard
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Qty Unit Price (Ex VAT)
5+ £0.300
50+ £0.270
100+ £0.225

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Order in multiples of 5
Contact us for lead times on larger quantities
412 in stock, despatched same dayAdditional quantity lead time 11 weeks

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 0.6A
  • Trip time 3 sec
  • Hold current 0.3A
  • Max voltage 72V
  • Max current 40A
  • Radial leaded package
  • Initial resistance 0.88 to 1.33R
  • Post-trip resistance 2.1R
  • Lead pitch 5.1mm
  • Dimensions 7.4mm x 7.6mm x 13mm
  • UL and TUV approved

Note: Previously manufactured by Raychem.

Height 13mm
Hold Current 0.3A
Initial Resistance 1.33Ω
Lead Pitch 5.1mm
Length 7.4mm
Max Current Rating 40A
Max Voltage Rating 72V
Package/Case Style Radial leaded
Trip Current 0.6A
Trip Time 3s

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