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MERSEN FUSE 250V FA 0,63A 5.20 AL MI5FAP25V0,63
Mersen N208254 MI5FAP25V0.63 high-speed 5 x 20 mm miniature cartridge fuse with axial leads, rated at 0.63 A and 250 V AC for semiconductor and electronic circuit protection.
£2.61
Why Choose the Mersen N208254 High-Speed Fuse?
The Mersen N208254, catalogue number MI5FAP25V0.63, is a compact high-speed miniature cartridge fuse with axial leads designed to protect sensitive semiconductor devices and electronic components against damaging overcurrents and short circuits. Its very fast-acting FA characteristic rapidly interrupts electrical faults, helping to minimise the thermal and electrical energy reaching protected circuitry.
Rated at 0.63 A and 250 V AC, the N208254 is suitable for industrial electronics, automation equipment, power supplies and OEM assemblies requiring dependable semiconductor protection. Its standard 5 × 20 mm cartridge format provides a compact solution for applications where installation space is restricted.
The integrated axial leads allow the fuse to be soldered directly onto printed circuit boards or connected to other electronic components without requiring a separate fuse holder. Manufactured as part of Mersen’s semiconductor miniature fuse range, the N208254 combines straightforward integration with dependable high-speed circuit protection.
Key Advantages
- Very fast-acting FA characteristic for semiconductor protection.
- 0.63 A current rating for sensitive electronic circuits.
- 250 V AC voltage rating.
- Compact 5 × 20 mm miniature cartridge format.
- Axial leads enable direct installation onto printed circuit boards.
- Very high breaking capacity helps provide reliable fault interruption.
Key Features
- Mersen semiconductor miniature fuse range.
- MI5FAP25V0.63 catalogue reference.
- 0.63 A rated current.
- 250 V AC rated voltage.
- High-speed FA operating characteristic.
- 5 × 20 mm cartridge dimensions.
- Axial lead mounting for direct soldered connections.
- Designed for semiconductor and sensitive electronic circuit protection.
Fast Protection for Sensitive Electronic Components
Semiconductor devices can be damaged by short-duration overcurrent events before conventional general-purpose fuses have time to operate. The Mersen N208254 uses a high-speed FA characteristic to interrupt fault currents rapidly and reduce the electrical and thermal stress placed on sensitive components.
Its axial lead construction allows direct integration into printed circuit boards and compact electronic assemblies. This simplifies installation while providing dependable protection for control electronics, power conversion equipment and OEM systems where reliable operation is essential.
Typical Applications
- Semiconductor device protection.
- Printed circuit boards.
- Industrial electronic control circuits.
- Automation and monitoring equipment.
- Power supplies and conversion electronics.
- OEM electrical and electronic assemblies.
Technical Specifications
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| Current | 0.63 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 5x20 mm | |
| Manufacturer | Mersen | |
| Series | Semiconductor Miniature Fuses Size 5 × 20 FA/FB 250 V AL | |
| Model | N208254 | |
| Catalogue number | MI5FAP25V0.63 | |
| Product type | High-speed miniature cartridge fuse | |
| Rated current | 0.63 A | |
| Rated voltage | 250 V AC | |
| Current type | AC | |
| Operating characteristic | High speed / FA | |
| Fuse size | 5 × 20 mm | |
| Mounting type | Axial leads | |
| Installation method | Direct PCB soldering or component connection | |
| Breaking capacity | Very high breaking capacity | |
| EAN / UPC | 3605340209020 |
Frequently Asked Questions
What is the Mersen N208254 used for?
The Mersen N208254 provides high-speed overcurrent and short-circuit protection for sensitive semiconductor devices, printed circuit boards and electronic equipment.
What is the current rating of the N208254?
The fuse has a rated current of 0.63 A, equivalent to 630 mA.
What voltage is the Mersen N208254 rated for?
The N208254 is rated for operation at up to 250 V AC.
What size is the Mersen N208254?
It is a compact miniature cartridge fuse measuring 5 × 20 mm.
How is the N208254 installed?
The fuse has axial leads that allow it to be soldered directly onto a printed circuit board or connected to other components within an electronic assembly.
Trusted for High-Speed Circuit Protection
Mersen high-speed miniature fuses are trusted by electronic equipment manufacturers, automation engineers and maintenance professionals for dependable protection of sensitive semiconductor components.
