Littelfuse 4A Resettable Fuse, 60V
- RS Stock No.:
- 712-7509
- Mfr. Part No.:
- RKEF400
- Brand:
- Littelfuse
60 In stock - FREE next working day delivery available
40 available from Europe for delivery within 1 working day(s).
Added
Price Each (In a Pack of 10)
£0.699
(exc. VAT)
£0.839
(inc. VAT)
| Units | Per unit | Per Pack* |
| 10 - 140 | £0.699 | £6.99 |
| 150 - 490 | £0.605 | £6.05 |
| 500 - 990 | £0.586 | £5.86 |
| 1000 - 2490 | £0.572 | £5.72 |
| 2500 + | £0.557 | £5.57 |
| *price indicative | ||
- RS Stock No.:
- 712-7509
- Mfr. Part No.:
- RKEF400
- Brand:
- Littelfuse
Technical Reference
Legislation and Compliance
- COO (Country of Origin):
- CN
Product Details
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
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
Specifications
Attribute | Value |
|---|---|
| Trip Current | 8A |
| Voltage Rating | 60V |
| Time to Trip | 24s |
| Hold Current | 4A |
| Maximum Current | 40 A |
| Length | 21mm |
| Height | 24.9mm |
| Width | 3mm |
| Minimum Resistance | 0.014Ω |
| Maximum Resistance | 60mΩ |
| Power Dissipation | 3.7W |
| Lead Orientation | Radial |