Bulk discount available
Subtotal (1 pack of 5 units)*
£2.45
(exc. VAT)
£2.95
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 30 unit(s) ready to ship
- Plus 75 unit(s) ready to ship from another location
- Plus 200 unit(s) shipping from 22 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 5 - 45 | £0.49 | £2.45 |
| 50 - 245 | £0.46 | £2.30 |
| 250 - 495 | £0.356 | £1.78 |
| 500 - 1245 | £0.348 | £1.74 |
| 1250 + | £0.34 | £1.70 |
*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 | |
| Trip Current | 2.2A | |
| Voltage Rating | 16V dc | |
| Time to Trip | 2.3s | |
| Hold Current | 1.1A | |
| Maximum Current | 40 A | |
| Length | 7.4mm | |
| Height | 14.2mm | |
| Width | 3mm | |
| Minimum Resistance | 0.05Ω | |
| Maximum Resistance | 140mΩ | |
| Power Dissipation | 0.7W | |
| Lead Orientation | Radial | |
Select all | ||
|---|---|---|
Brand Littelfuse | ||
Trip Current 2.2A | ||
Voltage Rating 16V dc | ||
Time to Trip 2.3s | ||
Hold Current 1.1A | ||
Maximum Current 40 A | ||
Length 7.4mm | ||
Height 14.2mm | ||
Width 3mm | ||
Minimum Resistance 0.05Ω | ||
Maximum Resistance 140mΩ | ||
Power Dissipation 0.7W | ||
Lead Orientation Radial | ||
PolySwitch™ PTC Devices RUSBF 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
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
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
Power supplies and transformers
Power switching devices
Automotive and medical equipment
Instrumentation and control
Computers and peripherals
Audio visual and telecommunications