Littelfuse 3A Resettable Fuse, 30V dc
- RS Stock No.:
- 517-6821
- Mfr. Part No.:
- RUEF300
- Brand:
- Littelfuse
Bulk discount available
Subtotal (1 pack of 10 units)*
£4.74
(exc. VAT)
£5.69
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 670 unit(s) ready to ship
- Plus 210 unit(s) ready to ship from another location
- Plus 13,720 unit(s) shipping from 28 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 10 - 90 | £0.474 | £4.74 |
| 100 - 490 | £0.375 | £3.75 |
| 500 - 1490 | £0.297 | £2.97 |
| 1500 - 2490 | £0.263 | £2.63 |
| 2500 + | £0.237 | £2.37 |
*price indicative
- RS Stock No.:
- 517-6821
- Mfr. Part No.:
- RUEF300
- 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 | 6A | |
| Voltage Rating | 30V dc | |
| Time to Trip | 10.8s | |
| Hold Current | 3A | |
| Maximum Current | 100 A | |
| Length | 11.4mm | |
| Height | 16.5mm | |
| Width | 3mm | |
| Minimum Resistance | 0.02Ω | |
| Maximum Resistance | 80mΩ | |
| Power Dissipation | 2W | |
| Lead Orientation | Radial | |
Select all | ||
|---|---|---|
Brand Littelfuse | ||
Trip Current 6A | ||
Voltage Rating 30V dc | ||
Time to Trip 10.8s | ||
Hold Current 3A | ||
Maximum Current 100 A | ||
Length 11.4mm | ||
Height 16.5mm | ||
Width 3mm | ||
Minimum Resistance 0.02Ω | ||
Maximum Resistance 80mΩ | ||
Power Dissipation 2W | ||
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
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