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MERSEN FUSE 250V FC 3,15A. 5X20 AL MI5FCP25V3,15
Mersen W205041 MI5FCP25V3.15 high-speed semiconductor miniature fuse with a 3.15 A current rating, 250 V AC voltage rating, fast FC characteristic and axial leads.
£1.14
Why Choose the Mersen W205041 High-Speed Miniature Fuse?
The Mersen W205041, catalogue number MI5FCP25V3.15, is a high-speed miniature semiconductor fuse designed to provide rapid overcurrent protection for sensitive electronic components, semiconductor devices and industrial control equipment. Part of Mersen's 5 × 20 mm FC 250 V axial lead fuse range, it combines fast fault interruption with convenient axial lead mounting for printed circuit boards and compact electronic assemblies.
With a rated current of 3.15 A and a rated operating voltage of 250 V AC, the W205041 provides reliable protection for power supplies, instrumentation, industrial electronics and automation equipment. Its fast FC characteristic helps minimise fault energy, reducing the risk of damage to valuable semiconductor components.
The fuse features a robust 5 × 20 mm ceramic body with axial leads for direct soldering onto printed circuit boards or connection within electronic assemblies. Its low I²t values, ceramic construction and UL recognition make it a dependable solution for demanding electronic protection applications.
Key Advantages
- Designed for semiconductor and sensitive electronic circuit protection.
- 3.15 A rated current for industrial electronic applications.
- 250 V AC rated voltage.
- Fast-acting FC characteristic provides rapid fault interruption.
- Compact 5 × 20 mm ceramic cartridge.
- Axial leads simplify PCB mounting and assembly.
- Low I²t values help minimise fault energy.
- RoHS, REACH and UKCA compliant.
Key Features
- Mersen 5 × 20 mm FC 250 V semiconductor fuse series.
- Catalogue number: MI5FCP25V3.15.
- 3.15 A rated current.
- 250 V AC rated voltage.
- Fast-acting FC operating characteristic.
- Ceramic fuse body with axial leads.
- Direct PCB solder mounting.
- Pre-arcing I²t: 2.5 A²s.
- Clearing I²t: 5 A²s.
- UL/CSA recognised construction.
Reliable Protection for Electronic Equipment
The Mersen W205041 is specifically designed to protect semiconductor devices and electronic assemblies where rapid fault interruption is essential. Its fast FC characteristic limits the energy released during overload and short-circuit conditions, helping to prevent damage to sensitive components.
The axial lead construction allows direct integration into printed circuit boards and electronic assemblies, while the ceramic body delivers excellent thermal stability and electrical insulation for reliable long-term performance.
Typical Applications
- Semiconductor protection.
- Industrial electronic equipment.
- Power supplies.
- Automation and control systems.
- Instrumentation equipment.
- Printed circuit board assemblies.
- Power conversion equipment.
- OEM electronic machinery.
Technical Specifications
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| Current | 3.15 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Item number | W205041 | |
| Catalogue number | MI5FCP25V3.15 | |
| Product type | High-speed semiconductor miniature fuse | |
| Series | 5 × 20 mm FC 250 V Axial Lead | |
| Rated current | 3.15 A | |
| Rated voltage | 250 V AC | |
| Current type | AC | |
| Characteristic | Fast acting (FC) | |
| Fuse size | 5 × 20 mm | |
| Mounting type | Axial leads | |
| Terminal type | Axial wire leads | |
| Body material | Ceramic | |
| Pre-arcing I²t | 2.5 A²s | |
| Clearing I²t | 5 A²s | |
| EAN | 3605340185195 | |
| RoHS compliant | Yes | |
| UKCA compliant | Yes | |
| UL recognised | Yes |
Frequently Asked Questions
What is the Mersen W205041 used for?
The W205041 protects semiconductor devices and sensitive electronic equipment from overcurrent and short-circuit faults.
What is the current rating of the W205041?
This fuse has a rated current of 3.15 A.
What voltage is the fuse rated for?
The Mersen W205041 is rated for operation at up to 250 V AC.
How is the Mersen W205041 mounted?
The fuse features axial wire leads, allowing direct solder mounting onto printed circuit boards and electronic assemblies.
What type of operating characteristic does it have?
The fuse features a fast-acting FC characteristic, providing rapid protection for sensitive semiconductor devices and electronic circuits.
Trusted by Electrical and Automation Professionals
Mersen high-speed miniature semiconductor fuses are trusted worldwide by electronic equipment manufacturers, machine builders and automation engineers to provide dependable protection for sensitive semiconductor and power electronic applications.
