Bulk discount available
View bulk pricing optionsSubtotal (1 pack of 10 units)*
£5.89
(exc. VAT)
£7.07
(inc. VAT)
FREE delivery for orders over £60.00
In Stock
- 540 unit(s) ready to ship
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 10 - 140 | £0.589 | £5.89 |
| 150 - 490 | £0.568 | £5.68 |
| 500 - 990 | £0.556 | £5.56 |
| 1000 - 2490 | £0.538 | £5.38 |
| 2500 + | £0.525 | £5.25 |
*price indicative
- RS Stock No.:
- 712-7496
- Mfr. Part No.:
- RKEF250
- 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 | 5A | |
| Voltage | 60V | |
| Time to Trip | 15.6s | |
| Current Rating | 40A | |
| Hold Current | 2.5A | |
| Length | 14mm | |
| Height | 20.6mm | |
| Width | 3mm | |
| Minimum Resistance | 0.04Ω | |
| Maximum Resistance | 140mΩ | |
| Minimum Operating Temperature | -40°C | |
| Power Dissipation | 2.8W | |
| Maximum Operating Temperature | 60°C | |
| Standards/Approvals | CSA, RoHS, TUV, UL | |
| Series | RKEF | |
| Lead Orientation | Radial | |
| Select all | ||
|---|---|---|
Brand Littelfuse | ||
Product Type Resettable Fuse | ||
Trip Current 5A | ||
Voltage 60V | ||
Time to Trip 15.6s | ||
Current Rating 40A | ||
Hold Current 2.5A | ||
Length 14mm | ||
Height 20.6mm | ||
Width 3mm | ||
Minimum Resistance 0.04Ω | ||
Maximum Resistance 140mΩ | ||
Minimum Operating Temperature -40°C | ||
Power Dissipation 2.8W | ||
Maximum Operating Temperature 60°C | ||
Standards/Approvals CSA, RoHS, TUV, UL | ||
Series RKEF | ||
Lead Orientation Radial | ||
- COO (Country of Origin):
- CN
Tyco PolySwitch™ PTC Devices RKEF 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