Littelfuse 1A Resettable Fuse, 30V dc

View all Resettable Fuses

Subtotal (1 pack of 5 units)*

£2.83

(exc. VAT)

£3.395

(inc. VAT)

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  • 135 unit(s) ready to ship
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  • Plus 415 unit(s) shipping from 06 November 2025
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Units
Per unit
Per Pack*
5 +£0.566£2.83

*price indicative

Packaging Options:
RS Stock No.:
657-1772
Mfr. Part No.:
RHEF100
Brand:
Littelfuse
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Brand

Littelfuse

Trip Current

1.8A

Voltage Rating

30V dc

Time to Trip

5.2s

Hold Current

1A

Maximum Current

40 A

Length

9.7mm

Height

13.6mm

Width

3mm

Minimum Resistance

0.18Ω

Maximum Resistance

430mΩ

Power Dissipation

1.4W

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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