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MERSEN FUSE 250V FA 1,25 A 5.20 K084005
Mersen K084005 MI5FA25V1.25 high-speed ceramic semiconductor fuse rated at 1.25 A and 250 V AC in a compact 5 × 20 mm cartridge format.
£1.92
Why Choose the Mersen K084005 MI5FA25V1.25 Semiconductor Fuse?
The Mersen K084005, catalogue reference MI5FA25V1.25, is a compact high-speed ceramic cartridge fuse designed to provide rapid protection for sensitive electronic and semiconductor equipment. Its ultra-fast FA characteristic allows it to interrupt fault currents quickly, helping to minimise damage to power semiconductors, electronic circuits and associated equipment.
Manufactured by Mersen, this fuse forms part of the proven MI5FA 5 × 20 mm fuse series. Its ceramic body provides excellent mechanical strength and dependable arc suppression, making it suitable for industrial automation, instrumentation, power supplies and electronic control systems.
With a rated current of 1.25 A and a 250 V AC voltage rating, the K084005 is designed for installation in compatible 5 × 20 mm fuse holders where reliable overcurrent protection and compact installation are required.
Key Advantages
- Ultra-fast FA semiconductor protection fuse.
- 1.25 A current rating for sensitive electronic circuits.
- 250 V AC rated voltage.
- Compact 5 × 20 mm ceramic cartridge.
- High breaking capacity for dependable fault interruption.
- Suitable for industrial, OEM and electronic equipment.
Key Features
- Mersen MI5FA miniature fuse series.
- Catalogue number: MI5FA25V1.25.
- 1.25 A rated current.
- 250 V AC rated voltage.
- Ultra-fast FA operating characteristic.
- Ceramic cartridge construction.
- 5 × 20 mm cylindrical format.
- Clip mounting in compatible fuse holders.
Fast Protection for Electronic Equipment
The Mersen K084005 is designed to disconnect fault currents before they can damage sensitive semiconductor devices and electronic components. Its ultra-fast response helps reduce thermal stress and improves the reliability of power electronic equipment operating under demanding conditions.
Its compact ceramic construction and standard 5 × 20 mm dimensions make the fuse suitable for industrial control equipment, instrumentation, electronic assemblies and power supplies where dependable overcurrent protection is essential.
Typical Applications
- Industrial control equipment.
- Electronic power supplies.
- Semiconductor protection circuits.
- Instrumentation equipment.
- Automation systems.
- OEM electronic assemblies.
Technical Specifications
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| Current | 1.25 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Semiconductor | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | MI5FA Semiconductor Miniature Fuses | |
| Model | K084005 | |
| Catalogue number | MI5FA25V1.25 | |
| Product type | High-speed semiconductor cartridge fuse | |
| Rated current | 1.25 A | |
| Rated voltage | 250 V AC | |
| Current type | AC | |
| Operating characteristic | FA ultra-fast acting | |
| Fuse dimensions | 5 × 20 mm | |
| Body material | Ceramic | |
| Mounting type | Clip mounting | |
| EAN | 3605340059410 |
Frequently Asked Questions
What is the Mersen K084005 used for?
The K084005 is an ultra-fast semiconductor fuse designed to protect sensitive electronic and power semiconductor circuits against overloads and short-circuit faults.
What is the current rating of the K084005?
The Mersen K084005 has a rated current of 1.25 A.
What voltage is this fuse rated for?
The fuse has a rated operating voltage of 250 V AC.
What size is the Mersen K084005?
The fuse uses the industry standard 5 × 20 mm ceramic cartridge format.
Where is this fuse typically installed?
The K084005 is installed in compatible 5 × 20 mm fuse holders within industrial control panels, electronic equipment and power supply circuits.
Trusted for Semiconductor Circuit Protection
Mersen high-speed miniature fuses are trusted by electrical engineers, OEM manufacturers and industrial automation specialists for providing dependable protection to sensitive electronic and semiconductor equipment.
