Why Choose the Mersen H078920 High-Speed Miniature Fuse?
The Mersen H078920, catalogue reference MI6FA40V0.1, is a very fast-acting miniature semiconductor fuse engineered to protect sensitive electronic and semiconductor devices against overcurrent and short-circuit faults. As part of Mersen's 6.3 × 32 mm FA series, it delivers reliable high-speed circuit protection for industrial electronics, automation systems and power conversion equipment.
With a rated current of 0.1 A and a rated voltage of 400 V AC, the H078920 responds rapidly to fault conditions, helping minimise the energy passed to vulnerable semiconductor components. Its ceramic construction and high breaking capacity ensure dependable protection in demanding industrial applications.
Designed with a standard 6.3 × 32 mm cylindrical body, the fuse is intended for clip mounting in compatible fuse holders. Its compact size makes it suitable for electronic assemblies where reliable protection and efficient use of panel space are essential.
Key Advantages
- Very fast-acting protection for sensitive semiconductor devices.
- 0.1 A rated current for precision electronic protection.
- 400 V AC voltage rating for industrial electronic equipment.
- High breaking capacity for safe fault interruption.
- Compact 6.3 × 32 mm ceramic fuse.
- Clip mounting allows straightforward installation and replacement.
Key Features
- Mersen FA semiconductor miniature fuse series.
- Very fast-acting (FA) characteristic.
- 0.1 A rated current.
- 400 V AC rated voltage.
- 6.3 × 32 mm ceramic construction.
- Clip mounting configuration.
- High breaking capacity of 200 kA.
- UL recognised and RoHS compliant product range.
Reliable Protection for Semiconductor Circuits
Very fast-acting semiconductor fuses are designed to interrupt fault currents before excessive thermal and electrical energy can damage sensitive electronic components. Their rapid response makes them ideal for protecting diodes, thyristors, IGBTs and other semiconductor devices used in industrial equipment.
The Mersen H078920 combines a compact ceramic body with a high breaking capacity and dependable FA characteristic, providing reliable protection for power electronics, industrial controls and automation systems where fast fault clearance is essential.
Typical Applications
- Semiconductor protection.
- Industrial control equipment.
- Power supplies and converters.
- Automation systems.
- Instrumentation and measurement equipment.
- OEM electronic assemblies.
