Littelfuse 0.5A Resettable Fuse, 30V

View all Resettable Fuses

Subtotal (1 pack of 5 units)*

£2.62

(exc. VAT)

£3.145

(inc. VAT)

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  • 60 unit(s) ready to ship
  • Plus 5 unit(s) ready to ship from another location
  • Plus 405 unit(s) shipping from 21 October 2025
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Units
Per unit
Per Pack*
5 +£0.524£2.62

*price indicative

Packaging Options:
RS Stock No.:
506-971
Mfr. Part No.:
RHEF050
Brand:
Littelfuse
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Brand

Littelfuse

Trip Current

920mA

Voltage Rating

30V

Time to Trip

2.5s

Hold Current

0.5A

Maximum Current

40 A

Length

7.4mm

Height

12.7mm

Width

3mm

Minimum Resistance

0.48Ω

Maximum Resistance

1.1Ω

Power Dissipation

0.9W

Lead Orientation

Radial

PolySwitch™ PTC Devices RHEF Series


Approvals

UL, CSA, TUV


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


Features:


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

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