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MERSEN FUSE 250V HA 37 F 0,5 A 250VHA37F0.5A
Mersen A079028 miniature semiconductor fuse, 6 × 32 mm, 0.5 A, 250 V AC ultra-fast cartridge fuse for semiconductor and electronic circuit protection.
£9.78
Why Choose the Mersen A079028 Miniature Semiconductor Fuse?
The Mersen A079028 is a high-performance 6 × 32 mm miniature semiconductor fuse designed to provide ultra-fast protection for sensitive electronic and semiconductor devices. Identified by catalogue number MI6HA37F25V0.5, this fuse features a 0.5 A current rating and a 250 V AC voltage rating, making it ideal for protecting delicate circuits against short circuits and excessive fault currents.
Part of the proven Mersen HA37 miniature fuse range, the A079028 has been engineered specifically for semiconductor protection applications where extremely fast interruption characteristics are required. Its ceramic body construction and high breaking capacity provide dependable protection for power supplies, instrumentation, industrial electronics and other precision equipment.
Manufactured to demanding quality standards, the A079028 offers consistent electrical performance and compact dimensions for straightforward installation in fuse holders designed for 6 × 32 mm cartridge fuses. It is widely used by OEM manufacturers and maintenance engineers requiring reliable protection of electronic components.
Key Advantages
- Ultra-fast semiconductor protection fuse.
- 0.5 A current rating for sensitive electronic equipment.
- 250 V AC operating voltage.
- Compact 6 × 32 mm cartridge format.
- Ceramic construction for dependable performance.
- High interrupting capacity for effective fault protection.
Key Features
- Mersen HA37 miniature semiconductor fuse series.
- Model: A079028.
- Catalogue number: MI6HA37F25V0.5.
- Miniature cartridge fuse.
- 0.5 A rated current.
- 250 V AC rated voltage.
- 6 × 32 mm fuse size.
- Fast-acting semiconductor protection.
- Ceramic body construction.
- Suitable for industrial and electronic equipment.
Reliable Protection for Sensitive Electronic Equipment
Semiconductor fuses are specifically designed to interrupt fault currents extremely quickly, minimising damage to sensitive electronic components such as diodes, thyristors, rectifiers, IGBTs and power supplies. Their ultra-fast operating characteristics help reduce thermal and electrical stress during fault conditions.
The Mersen A079028 combines compact dimensions with dependable high-speed protection, making it suitable for industrial electronics, automation equipment, laboratory instruments and OEM electrical assemblies requiring reliable overcurrent protection.
Typical Applications
- Industrial power supplies.
- Electronic control equipment.
- Semiconductor protection.
- Instrumentation systems.
- Automation equipment.
- OEM electronic assemblies.
Technical Specifications
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| Current | 0.5 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 6x32 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | HA37 Miniature Semiconductor Fuses | |
| Model | A079028 | |
| Catalogue number | MI6HA37F25V0.5 | |
| Product type | Miniature semiconductor fuse | |
| Fuse size | 6 × 32 mm | |
| Rated current | 0.5 A | |
| Rated voltage | 250 V AC | |
| Breaking capacity | 10 kA | |
| Fuse characteristic | Ultra-fast acting | |
| Application | Semiconductor and electronic circuit protection | |
| Body material | Ceramic | |
| EAN | 3605340033595 | |
| Manufacturer pack quantity | 50 |
Frequently Asked Questions
What is the Mersen A079028 used for?
The A079028 is a miniature semiconductor fuse designed to protect sensitive electronic circuits and semiconductor devices from excessive fault currents.
What are the electrical ratings?
This fuse has a 0.5 A current rating and a 250 V AC voltage rating.
What size is the fuse?
The Mersen A079028 is manufactured in the standard 6 × 32 mm miniature cartridge fuse format.
Is this a fast-acting fuse?
Yes. It is an ultra-fast semiconductor fuse designed to protect sensitive electronic components during fault conditions.
Where is the A079028 commonly used?
It is widely used in power supplies, industrial electronics, automation equipment, instrumentation and semiconductor protection applications.
Trusted by Electrical Professionals Worldwide
Mersen miniature semiconductor fuses are trusted by OEM manufacturers, electrical engineers and maintenance professionals for delivering rapid fault protection, dependable performance and long-term reliability in sensitive electronic applications.
