Littelfuse 2.5 A Resettable Fuse, 30 V
- RS Stock No.:
- 517-6815P
- Mfr. Part No.:
- RUEF250
- Brand:
- Littelfuse
Bulk discount available
Subtotal 100 units (supplied in a bag)*
£33.60
(exc. VAT)
£40.30
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 15,330 unit(s) shipping from 09 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 100 - 490 | £0.336 |
| 500 - 1490 | £0.268 |
| 1500 - 2490 | £0.232 |
| 2500 + | £0.212 |
*price indicative
- RS Stock No.:
- 517-6815P
- Mfr. Part No.:
- RUEF250
- 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 | 5A | |
| Product Type | Resettable Fuse | |
| Voltage | 30 V | |
| Current Rating | 100 A | |
| Time to Trip | 10.3s | |
| Hold Current | 2.5A | |
| Length | 11.4mm | |
| Height | 18.3mm | |
| Width | 3 mm | |
| Minimum Resistance | 0.02Ω | |
| Maximum Resistance | 70mΩ | |
| Minimum Operating Temperature | -40°C | |
| Maximum Operating Temperature | 60°C | |
| Power Dissipation | 1.2W | |
| Standards/Approvals | UL, TUV, RoHS, CQC, CSA | |
| Lead Orientation | Radial | |
| Series | RUEF | |
| Select all | ||
|---|---|---|
Brand Littelfuse | ||
Trip Current 5A | ||
Product Type Resettable Fuse | ||
Voltage 30 V | ||
Current Rating 100 A | ||
Time to Trip 10.3s | ||
Hold Current 2.5A | ||
Length 11.4mm | ||
Height 18.3mm | ||
Width 3 mm | ||
Minimum Resistance 0.02Ω | ||
Maximum Resistance 70mΩ | ||
Minimum Operating Temperature -40°C | ||
Maximum Operating Temperature 60°C | ||
Power Dissipation 1.2W | ||
Standards/Approvals UL, TUV, RoHS, CQC, CSA | ||
Lead Orientation Radial | ||
Series RUEF | ||
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