Why Choose the Mersen D084367 High-Speed Miniature Fuse?
The Mersen D084367, catalogue reference MI6FA40V0.315, is a compact high-speed semiconductor miniature fuse developed to protect sensitive electronic components and semiconductor devices from damaging overcurrents and short circuits. As part of Mersen's 6.3 × 32 mm FA/FB 400 V fuse range, it provides extremely fast fault interruption for industrial electronics, automation systems and power conversion equipment.
Rated at 0.315 A and 400 V AC, the D084367 features a very fast FA operating characteristic designed to minimise fault energy before sensitive semiconductor devices can be damaged. This makes it ideal for protecting diodes, thyristors, rectifiers, inverters and other power electronic components.
Its compact 6.3 × 32 mm ceramic cartridge is designed for clip mounting in compatible fuse holders, providing reliable protection whilst simplifying installation and maintenance. With a 200 kA breaking capacity, the D084367 delivers dependable fault protection even in demanding industrial environments.
Key Advantages
- Very fast-acting semiconductor protection fuse.
- 0.315 A rated current for sensitive electronic equipment.
- 400 V AC voltage rating.
- High-speed FA characteristic minimises damaging let-through energy.
- Compact 6.3 × 32 mm ceramic cartridge.
- 200 kA breaking capacity for dependable fault interruption.
- Designed for industrial electronics and semiconductor protection.
Key Features
- Mersen semiconductor miniature fuse series.
- MI6FA40V0.315 catalogue reference.
- 0.315 A rated current.
- 400 V AC rated voltage.
- Very fast FA operating characteristic.
- 6.3 × 32 mm ceramic body.
- Clip mounting installation.
- Non-indicating fuse construction.
- Very high interrupting capability.
- RoHS, REACH, UKCA and CE compliant.
Reliable Protection for Semiconductor Devices
Modern semiconductor components require protection that reacts significantly faster than conventional fuses. The Mersen D084367 interrupts excessive fault currents rapidly, helping minimise thermal stress and protecting valuable electronic assemblies from damage.
Its compact ceramic construction, high interrupting rating and low I²t values make it particularly suitable for industrial automation, converters, drives, measuring equipment and other power electronic applications where reliability is essential.
Typical Applications
- Semiconductor device protection.
- Industrial power supplies.
- Power converters and rectifiers.
- Variable speed drives.
- Automation and control equipment.
- Electronic measuring equipment.
- Industrial power electronic assemblies.
