MPN

Littelfuse 0.5 A Resettable Fuse, 60 V

RS Stock No.:: 712-7486
Mfr. Part No.:: RKEF050
Manufacturer:: Littelfuse

Bulk discount available

Subtotal (1 pack of 10 units)*

PHP303.64

(exc. VAT)

PHP340.08

(inc. VAT)

FREE delivery for orders over ₱3,000.00

In Stock

Plus 90 unit(s) shipping from March 02, 2026
Plus 4,770 unit(s) shipping from March 09, 2026

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

Units	Per Unit	Per Pack*
10 - 140	PHP30.364	PHP303.64
150 - 490	PHP29.455	PHP294.55
500 - 990	PHP28.569	PHP285.69
1000 - 2490	PHP27.936	PHP279.36
2500 +	PHP27.327	PHP273.27

*price indicative

RS Stock No.:: 712-7486
Mfr. Part No.:: RKEF050
Manufacturer:: Littelfuse

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Littelfuse
	Product Type	Resettable Fuse
	Trip Current	1A
	Voltage	60 V
	Current Rating	40 A
	Time to Trip	0.8s
	Hold Current	0.5A
	Length	7.1mm
	Height	11.43mm
	Width	3.56 mm
	Minimum Resistance	0.32Ω
	Minimum Operating Temperature	-40°C
	Maximum Resistance	900mΩ
	Power Dissipation	1W
	Maximum Operating Temperature	60°C
	Standards/Approvals	TUV, RoHS, CSA, UL
	Lead Orientation	Radial
	Series	RKEF

	Select all
	Brand Littelfuse
	Product Type Resettable Fuse
	Trip Current 1A
	Voltage 60 V
	Current Rating 40 A
	Time to Trip 0.8s
	Hold Current 0.5A
	Length 7.1mm
	Height 11.43mm
	Width 3.56 mm
	Minimum Resistance 0.32Ω
	Minimum Operating Temperature -40°C
	Maximum Resistance 900mΩ
	Power Dissipation 1W
	Maximum Operating Temperature 60°C
	Standards/Approvals TUV, RoHS, CSA, UL
	Lead Orientation Radial
	Series RKEF

COO (Country of Origin):: CN

Tyco PolySwitch™ PTC Devices RKEF 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