MPN

Littelfuse 1.1 A Resettable Fuse, 16 V dc

RS Stock No.:: 506-965
Mfr. Part No.:: RUSBF110
Brand:: Littelfuse

Littelfuse 1.1 A Resettable Fuse, 16 V dc

Bulk discount available

Subtotal (1 pack of 5 units)*

Kr. 33,98

(exc. VAT)

Kr. 42,475

(inc. VAT)

FREE delivery for online orders over 500,00 kr

In Stock

75 unit(s) ready to ship from another location
Plus 255 unit(s) shipping from 17 March 2026

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

Units	Per unit	Per Pack*
5 - 45	Kr. 6,796	Kr. 33,98
50 - 245	Kr. 6,384	Kr. 31,92
250 - 495	Kr. 4,942	Kr. 24,71
500 - 1245	Kr. 4,828	Kr. 24,14
1250 +	Kr. 4,714	Kr. 23,57

*price indicative

RS Stock No.:: 506-965
Mfr. Part No.:: RUSBF110
Brand:: Littelfuse

Specifications

Technical Reference

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	2.2A
	Voltage	16 V dc
	Time to Trip	2.3s
	Current Rating	40 A
	Hold Current	1.1A
	Length	7.4mm
	Height	14.2mm
	Width	3 mm
	Minimum Resistance	0.05Ω
	Minimum Operating Temperature	-40°C
	Maximum Resistance	140mΩ
	Maximum Operating Temperature	60°C
	Power Dissipation	0.7W
	Standards/Approvals	UL, RoHS, TUV, CSA
	Series	RUSBF
	Lead Orientation	Radial

	Select all
	Brand Littelfuse
	Product Type Resettable Fuse
	Trip Current 2.2A
	Voltage 16 V dc
	Time to Trip 2.3s
	Current Rating 40 A
	Hold Current 1.1A
	Length 7.4mm
	Height 14.2mm
	Width 3 mm
	Minimum Resistance 0.05Ω
	Minimum Operating Temperature -40°C
	Maximum Resistance 140mΩ
	Maximum Operating Temperature 60°C
	Power Dissipation 0.7W
	Standards/Approvals UL, RoHS, TUV, CSA
	Series RUSBF
	Lead Orientation Radial

PolySwitch™ PTC Devices RUSBF 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

Approvals

UL, CSA, TUV