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MERSEN FUSE 250V FA 0,4A 5.20 AL MI5FAP25V0,4
Mersen L208252 MI5FAP25V0.4 high speed semiconductor miniature fuse rated at 0.4 A and 250 V AC, with a compact 5 x 20 mm body and axial leads for PCB mounting.
£2.61
Why Choose the Mersen L208252 High Speed Semiconductor Fuse?
The Mersen L208252 is a compact high speed semiconductor miniature fuse designed to provide rapid protection for sensitive electronic components and semiconductor devices. Part of the Mersen MI5FA 250 V axial-lead fuse series, it features a very fast-acting FA characteristic that helps interrupt overcurrent and short-circuit faults before excessive energy can damage protected equipment.
This miniature fuse combines dependable fault protection with a compact cylindrical construction suitable for printed circuit boards, electronic assemblies and industrial control equipment. Its axial wire leads allow the fuse to be soldered directly onto a PCB or connected to other components, supporting straightforward integration into original equipment designs.
With a rated current of 0.4 A, a rated voltage of 250 V AC and a standard 5 × 20 mm body, the Mersen L208252 provides precise protection for low-current electronic circuits. Its very high breaking capacity helps prevent fault damage and supports dependable long-term system performance.
Key Advantages
- Very fast-acting semiconductor protection fuse.
- 0.4 A rated current for sensitive electronic circuits.
- 250 V AC voltage rating.
- Compact 5 × 20 mm miniature fuse format.
- Axial wire leads support direct PCB installation.
- Very high breaking capacity for dependable fault protection.
Key Features
- Mersen MI5FA semiconductor miniature fuse series.
- 0.4 A rated current.
- 250 V AC rated voltage.
- High Speed FA operating characteristic.
- 5 × 20 mm cylindrical fuse body.
- Axial wire leads for direct solder mounting.
- Suitable for printed circuit boards and electronic assemblies.
- Designed for sensitive semiconductor component protection.
- RoHS-compliant construction.
Fast Protection for Sensitive Electronic Components
Semiconductor devices can be damaged by excessive current within a fraction of a second. The Mersen L208252 uses a very fast FA operating characteristic to interrupt electrical faults rapidly, helping minimise the let-through energy transferred to protected components.
Its axial lead construction allows direct soldering onto printed circuit boards, providing a compact and secure installation. This makes the fuse particularly suitable for original equipment manufacturers, electronics engineers and industrial control system designers.
Typical Applications
- Semiconductor device protection.
- Printed circuit boards.
- Industrial electronic equipment.
- Power supplies and control circuits.
- Automation and process control equipment.
- Electronic measuring and instrumentation systems.
Technical Specifications
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| Current | 0.4 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 5x20 mm | |
| Manufacturer | Mersen | |
| Series | MI5FA/FB 250 V Axial-Lead Semiconductor Miniature Fuses | |
| Item number | L208252 | |
| Catalogue number | MI5FAP25V0.4 | |
| Product type | High speed semiconductor miniature fuse | |
| Rated current | 0.4 A | |
| Rated voltage | 250 V AC | |
| Current type | AC | |
| Speed / characteristic | High Speed FA | |
| Fuse size | 5 × 20 mm | |
| Mounting type | Axial lead mounting | |
| Connection method | Direct soldering to PCB or electronic components | |
| Breaking capacity | Very high breaking capacity | |
| Primary application | Semiconductor and electronic component protection | |
| Compliance | RoHS compliant | |
| EAN / UPC | 3605340209006 |
Frequently Asked Questions
What is the Mersen L208252 used for?
The Mersen L208252 provides very fast overcurrent and short-circuit protection for sensitive semiconductor devices, electronic components and printed circuit board assemblies.
What is the current rating of the Mersen L208252?
The fuse has a rated current of 0.4 A, which is equivalent to 400 mA.
What voltage is the Mersen L208252 rated for?
The Mersen L208252 is rated for operation at up to 250 V AC.
What size is the Mersen L208252 fuse?
It has a compact cylindrical fuse body measuring 5 × 20 mm.
How is the Mersen L208252 installed?
The fuse has axial wire leads that allow it to be soldered directly onto a printed circuit board or connected to compatible electronic components.
Trusted by Electrical and Electronic Engineers Worldwide
Mersen high speed miniature fuses are widely used to protect sensitive semiconductor components, providing rapid fault interruption and compact integration within industrial and electronic equipment.
