MPN

Littelfuse 9 A Resettable Fuse, 30V dc

RS stock no.:: 517-6893
Mfr. Part No.:: RUEF900
Manufacturer:: Littelfuse

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Subtotal (1 pack of 10 units)*

R 221,36

(exc. VAT)

R 254,56

(inc. VAT)

FREE delivery for orders over R 1,500.00

In Stock

Plus 220 unit(s) shipping from 16 November 2026
Plus 210 unit(s) shipping from 20 November 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit	Per Pack*	Saving
10 - 140	R 22.136	R 221.36	-
150 - 490	R 21.583	R 215.83	2%
500 - 990	R 20.936	R 209.36	5%
1000 - 2490	R 20.099	R 200.99	9%
2500 +	R 19.295	R 192.95	12%

*price indicative

RS stock no.:: 517-6893
Mfr. Part No.:: RUEF900
Manufacturer:: Littelfuse

Specification

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Littelfuse
	Trip Current	18A
	Product Type	Resettable Fuse
	Voltage	30V dc
	Time to Trip	20s
	Current Rating	100A
	Hold Current	9A
	Length	24.1mm
	Height	29mm
	Width	3mm
	Minimum Resistance	0.005Ω
	Maximum Resistance	20mΩ
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	60°C
	Power Dissipation	4.2W
	Standards/Approvals	CSA, UL, CQC, TUV, RoHS
	Series	RUEF
	Lead Orientation	Radial

	Select all
	Brand Littelfuse
	Trip Current 18A
	Product Type Resettable Fuse
	Voltage 30V dc
	Time to Trip 20s
	Current Rating 100A
	Hold Current 9A
	Length 24.1mm
	Height 29mm
	Width 3mm
	Minimum Resistance 0.005Ω
	Maximum Resistance 20mΩ
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 60°C
	Power Dissipation 4.2W
	Standards/Approvals CSA, UL, CQC, TUV, RoHS
	Series RUEF
	Lead Orientation Radial

PolySwitch™ RUEF & RGEF Series

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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