Why Choose the Mersen V084359 MI6FA40V2.5 Miniature Fuse?
The Mersen V084359, catalogue number MI6FA40V2.5, is a compact high-speed semiconductor miniature fuse designed to protect sensitive electronic components against damaging overcurrents and short circuits. Its very fast-acting FA characteristic enables rapid fault interruption, helping limit the electrical energy reaching vulnerable semiconductor devices.
With a rated current of 2.5 A and a rated voltage of 400 V, the V084359 is suitable for industrial electronics, power conversion equipment, automation systems and other applications requiring responsive circuit protection. Its standard 6.3 x 32 mm cartridge format enables straightforward installation in compatible fuse clips and holders.
The fuse combines compact dimensions with a very high breaking capacity, helping it safely interrupt substantial prospective fault currents. Manufactured by Mersen using high-quality materials, it provides consistent protection and supports the reliable operation of electronic and industrial equipment.
Key Advantages
- Very fast-acting protection for sensitive semiconductor devices.
- 2.5 A rated current for electronic and industrial circuits.
- 400 V rated voltage for higher-voltage applications.
- Rapid fault interruption helps minimise damaging let-through energy.
- Very high breaking capacity for dependable short-circuit protection.
- Standard 6.3 x 32 mm format for convenient replacement.
- Manufactured by Mersen for reliable long-term performance.
Key Features
- Mersen semiconductor miniature fuse range.
- 2.5 A rated current.
- 400 V rated voltage.
- High-speed FA operating characteristic.
- Compact 6.3 x 32 mm cartridge construction.
- Clip-mounted installation.
- Very high breaking capacity.
- Designed for semiconductor and sensitive electronic protection.
High-Speed Protection for Sensitive Electronic Circuits
Semiconductor devices can be damaged by excessive current that lasts for only a fraction of a second. High-speed fuses such as the Mersen V084359 react rapidly during fault conditions, helping reduce the thermal and electrical stress placed on protected components.
The compact cartridge format allows the fuse to be installed in compatible clips and fuse holders within power supplies, converters, industrial control equipment and electronic assemblies. Its combination of fast operation and high fault interruption capability supports reliable equipment protection.
Typical Applications
- Semiconductor protection circuits.
- Industrial power supplies.
- Power electronic converters.
- Automation and control equipment.
- Electronic control systems.
- Instrumentation and measurement equipment.
- OEM machinery and electronic assemblies.
- Circuits requiring high-speed fault protection.
