Littelfuse 2.5A Hold current, Radial Leaded PCB Mount Resettable Fuse, 72V

  • RS Stock No. 517-6736
  • Mfr. Part No. RXEF250
  • Manufacturer Littelfuse
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

PolySwitch™ RXE Series

TE PolySwitch™ RXE represents series of low hold current (down to 50mA) and high voltage rating (up to 72V) devices. Typically used in printers, satellite video receivers, industrial controls, transformers, computer motherboards, modems, USB hubs, ports and peripherals, game machines, phones, fax machines, analog and digital line cards applications.

Current ratings from 50mA to 15A
Voltage ratings from 6V (computer and electronic applications) to 99V
Fast time-to-trip
Low resistance
RoHS compliant
Halogen free

PCB Wire Ended

All are UL, CSA, TUV approved
Protection of electrical and electronic circuits against excessive currents
Rapid switch from low resistance state to very high resistance with electrical overload or short circuit
Quick and automatic reset and return to low resistance state when fault condition corrected and power removed


Automatically resets itself thousands of times
Maintenance free
Small size and no fuseholder required

Main applications:

Security systems
Power supplies and transformers
Power switching devices
Automotive and medical equipment
Instrumentation and control
Computers and peripherals
Audio visual and telecommunications

Attribute Value
Lead Orientation Radial
Trip Current 5A
Time to Trip 16s
Hold Current 2.5 A
Voltage Rating 72 V
Maximum Current 40 A
Minimum Resistance 0.05Ω
Maximum Resistance 130mΩ
Power Dissipation 2.5W
Body Height 25.4mm
Body Length 20.8mm
Body Width 3mm
Wire Pitch 9.4 → 10.9mm
Wire Length 7.6mm
Wire Diameter 0.81mm
410 In stock for delivery within 2 working days
Unit of sale: Each (In a Pack of 10)
(exc. VAT)
(inc. VAT)
Per unit
Per Pack*
10 - 40
50 - 240
250 - 490
500 - 990
1000 +
*price indicative
Packaging Options:
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