Littelfuse 4 A Resettable Fuse, 30V dc
- RS Stock No.:
- 517-6837P
- Mfr. Part No.:
- RUEF400
- Manufacturer:
- Littelfuse
This image is representative of the product range
Bulk discount available
View bulk pricing optionsSubtotal (100 units, supplied in a bag)*
SGD73.60
(exc. GST)
SGD80.20
(inc. GST)
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In Stock
- Plus 740 unit(s) shipping from 28 September 2026
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Units | Per unit |
|---|---|
| 100 - 490 | SGD0.736 |
| 500 - 1490 | SGD0.719 |
| 1500 - 7490 | SGD0.703 |
| 7500 + | SGD0.58 |
*price indicative
- RS Stock No.:
- 517-6837P
- Mfr. Part No.:
- RUEF400
- 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 | 8A | |
| Voltage | 30V dc | |
| Current Rating | 100A | |
| Time to Trip | 12.7s | |
| Hold Current | 4A | |
| Length | 14mm | |
| Height | 19.3mm | |
| Width | 3mm | |
| Minimum Resistance | 0.01Ω | |
| Maximum Resistance | 50mΩ | |
| Minimum Operating Temperature | -40°C | |
| Power Dissipation | 2.5W | |
| Maximum Operating Temperature | 60°C | |
| Standards/Approvals | UL, CSA, RoHS, TUV, CQC | |
| Series | RUEF | |
| Lead Orientation | Radial | |
| Select all | ||
|---|---|---|
Brand Littelfuse | ||
Product Type Resettable Fuse | ||
Trip Current 8A | ||
Voltage 30V dc | ||
Current Rating 100A | ||
Time to Trip 12.7s | ||
Hold Current 4A | ||
Length 14mm | ||
Height 19.3mm | ||
Width 3mm | ||
Minimum Resistance 0.01Ω | ||
Maximum Resistance 50mΩ | ||
Minimum Operating Temperature -40°C | ||
Power Dissipation 2.5W | ||
Maximum Operating Temperature 60°C | ||
Standards/Approvals UL, CSA, RoHS, TUV, CQC | ||
Series RUEF | ||
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
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