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MERSEN FUSE 250V FB 0,04 A 5.20 MI5FB25V0,04
Mersen K084051 MI5FB25V0.04 ultra-fast semiconductor fuse rated at 40 mA and 250 V AC in a compact 5 × 20 mm ceramic cartridge format.
£5.54
Why Choose the Mersen K084051 MI5FB25V0.04 Semiconductor Fuse?
The Mersen K084051, catalogue reference MI5FB25V0.04, is an ultra-fast semiconductor protection fuse developed to safeguard sensitive electronic components and semiconductor devices against overloads and short-circuit faults. Its extremely rapid operating characteristic helps minimise fault energy, reducing the risk of costly damage to power electronic equipment.
Part of the proven Mersen MI5FB 5 × 20 mm miniature fuse series, this ceramic cartridge fuse provides dependable protection in industrial automation, instrumentation, power supplies and control equipment. Its compact dimensions allow installation in applications where panel space is limited while maintaining high interruption performance.
With a rated current of 0.04 A (40 mA) and a 250 V AC voltage rating, the K084051 is suitable for protecting precision electronic circuits requiring very low current protection and extremely fast fault clearing.
Key Advantages
- Ultra-fast FB semiconductor protection fuse.
- 40 mA current rating for sensitive low-current circuits.
- 250 V AC rated voltage.
- Compact 5 × 20 mm ceramic cartridge.
- High breaking capacity for dependable fault interruption.
- Ideal for protecting semiconductor devices and electronic equipment.
Key Features
- Mersen MI5FB miniature semiconductor fuse series.
- Catalogue number: MI5FB25V0.04.
- 0.04 A rated current.
- 250 V AC rated voltage.
- Ultra-fast FB operating characteristic.
- Ceramic cartridge construction.
- 5 × 20 mm cylindrical format.
- Clip mounting in compatible fuse holders.
Ultra-Fast Protection for Sensitive Electronic Circuits
The Mersen K084051 is engineered to interrupt fault currents within extremely short timescales, helping protect delicate semiconductor devices and electronic assemblies from thermal and electrical damage. Its ultra-fast operating characteristic makes it suitable for applications where conventional fuses cannot provide adequate protection.
Its compact 5 × 20 mm ceramic construction allows easy integration into industrial control equipment, instrumentation, electronic power supplies and automation systems requiring dependable low-current circuit protection.
Typical Applications
- Semiconductor device protection.
- Industrial control equipment.
- Electronic power supplies.
- Instrumentation systems.
- Automation equipment.
- Precision electronic circuits.
Technical Specifications
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| Current | 0.04 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Semiconductor | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | MI5FB Semiconductor Miniature Fuses | |
| Model | K084051 | |
| Catalogue number | MI5FB25V0.04 | |
| Product type | High-speed semiconductor cartridge fuse | |
| Rated current | 0.04 A (40 mA) | |
| Rated voltage | 250 V AC | |
| Current type | AC | |
| Operating characteristic | FB ultra-fast acting | |
| Breaking capacity | 4 kA | |
| Fuse dimensions | 5 × 20 mm | |
| Body material | Ceramic | |
| Mounting type | Clip mounting | |
| EAN | 3605340060072 |
Frequently Asked Questions
What is the Mersen K084051 used for?
The K084051 is an ultra-fast semiconductor fuse designed to protect sensitive electronic and semiconductor circuits against overloads and short-circuit faults.
What is the current rating of the K084051?
The Mersen K084051 has a rated current of 0.04 A (40 mA).
What voltage is this fuse rated for?
The fuse has a rated operating voltage of 250 V AC.
What size is the Mersen K084051?
The fuse uses the industry standard 5 × 20 mm ceramic cartridge format.
Where is this fuse typically installed?
The K084051 is installed in compatible 5 × 20 mm fuse holders within industrial electronics, instrumentation and semiconductor protection circuits.
Trusted for High-Speed Semiconductor Protection
Mersen miniature semiconductor fuses are trusted by OEM manufacturers, panel builders and electrical engineers worldwide for providing reliable protection of sensitive electronic and power semiconductor equipment.
