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MERSEN FUSE 250V FA 0,8 A 5.20 MI5FA25V0,8
Mersen C084021 MI5FA25V0.8 high-speed semiconductor miniature fuse rated at 0.8 A and 250 V AC with a 5 x 20 mm ceramic body and clip mounting.
£1.92
Why Choose the Mersen C084021 Semiconductor Miniature Fuse?
The Mersen C084021, catalogue number MI5FA25V0.8, is a high-speed 5 × 20 mm semiconductor miniature fuse designed to protect sensitive electronic components and semiconductor devices against overloads and short circuits. As part of Mersen's FA/FB 125 V to 250 V miniature fuse series, it delivers rapid fault interruption for industrial electronics, control equipment and OEM applications.
Featuring a 0.8 A current rating and a 250 V AC rated voltage, the C084021 provides exceptionally fast protection for circuits where sensitive semiconductor components require minimal let-through energy. Its ceramic body and clip mounting format ensure dependable performance and straightforward installation into compatible fuse holders.
Manufactured to Mersen's stringent quality standards, the C084021 offers a high breaking capacity in a compact package, helping improve equipment reliability and reduce downtime in demanding industrial and electronic environments.
Key Advantages
- High-speed 5 × 20 mm semiconductor miniature fuse.
- 0.8 A current rating for sensitive electronic protection.
- 250 V AC rated for industrial and electronic equipment.
- Very fast FA characteristic for semiconductor protection.
- Clip mounting for simple installation and replacement.
- High breaking capacity helps minimise equipment damage during fault conditions.
Key Features
- Mersen FA/FB 125–250 V miniature fuse series.
- Catalogue number: MI5FA25V0.8.
- 0.8 A rated current.
- 250 V AC rated voltage.
- Very fast-acting FA characteristic.
- 5 × 20 mm ceramic fuse body.
- Clip mounting installation.
- Designed for semiconductor and sensitive electronic circuit protection.
High-Speed Protection for Sensitive Electronic Equipment
High-speed semiconductor fuses are designed to interrupt fault currents before they can damage delicate electronic components. The Mersen C084021 provides rapid protection for semiconductor devices, measuring instruments and electronic control equipment while maintaining dependable long-term performance.
Its compact 5 × 20 mm construction makes it suitable for modern electronic assemblies where installation space is limited but reliable overcurrent protection remains essential. The clip-mounted design also allows straightforward servicing and replacement.
Typical Applications
- Semiconductor protection circuits.
- Industrial power supplies.
- Electronic control equipment.
- Measurement and instrumentation systems.
- Automation equipment.
- Printed circuit boards.
- OEM electronic assemblies.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 0.8 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 125–250 V | |
| Model | C084021 | |
| Catalogue number | MI5FA25V0.8 | |
| Product type | Semiconductor miniature fuse | |
| Rated current | 0.8 A | |
| Rated voltage | 250 V AC | |
| Current type | AC | |
| Fuse characteristic | High-speed FA | |
| Fuse size | 5 × 20 mm | |
| Mounting type | Clip mounting | |
| Breaking capacity | 10 kA | |
| Body material | Ceramic | |
| Compliance | RoHS compliant | |
| EAN | 3605340059854 |
Frequently Asked Questions
What is the Mersen C084021 used for?
The Mersen C084021 protects semiconductor devices and sensitive electronic circuits from overloads and short circuits.
What is the current rating of this fuse?
The Mersen C084021 has a 0.8 A current rating.
What voltage is the C084021 rated for?
This fuse is designed for operation on systems up to 250 V AC.
What type of operating characteristic does it have?
The fuse features a very fast-acting FA characteristic specifically developed for semiconductor protection.
How is the Mersen C084021 installed?
The fuse is designed for clip mounting in a compatible 5 × 20 mm miniature fuse holder.
Trusted by Electronics Manufacturers Worldwide
Mersen semiconductor miniature fuses are trusted worldwide by OEM manufacturers, panel builders and automation engineers to provide reliable high-speed protection for sensitive electronic and power semiconductor equipment.
