MERSEN FUSE 400V FA 0,1 A 6.32 MI6FA40V0,1

MERSEN FUSE 400V FA 0,1 A 6.32 MI6FA40V0,1

Mersen H078920 MI6FA40V0.1 high-speed 6.3 x 32 mm ceramic miniature semiconductor fuse rated at 0.1 A and 400 V AC for clip mounting.

SKU: H078920Alt SKU: MI6FA40V0,1MPN: H078920
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Sold in packs of 50

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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.

Technical Specifications

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Current 0.1 A
Voltage 400 V
Device Type Fuse link
Fuse Type Miniature, Semiconductor
Fuse Class Fast acting
Manufacturer Mersen
Item number H078920
Catalogue number MI6FA40V0.1
Product type High-speed miniature semiconductor fuse
Series Semiconductor Miniature Fuses Size 6 × 32 FA 400V
Rated current 0.1 A
Rated voltage 400 V AC
Current type AC
Operating characteristic High speed / very fast-acting FA
Fuse dimensions 6.3 × 32 mm
Mounting type Clip mounting
Body material Ceramic
Breaking capacity 200 kA
Pre-arcing I²t 0.00057 A²s
Clearing I²t 0.0016 A²s
Pack quantity 50

Frequently Asked Questions

What is the Mersen H078920 used for?

The Mersen H078920 protects sensitive semiconductor and electronic circuits against overcurrent and short-circuit faults.

What is the current rating of the H078920 fuse?

The fuse has a rated current of 0.1 A.

What voltage is the Mersen H078920 rated for?

The H078920 is rated for operation at up to 400 V AC.

How is the Mersen H078920 installed?

The fuse is designed for clip mounting in a compatible 6.3 × 32 mm fuse holder.

Why is a very fast-acting fuse important?

A very fast-acting fuse interrupts fault currents rapidly, helping protect sensitive semiconductor components from damage caused by excessive electrical energy.

Trusted Circuit Protection from Mersen

Mersen high-speed semiconductor fuses are trusted by OEMs, panel builders and industrial engineers to provide dependable protection for sensitive electronic equipment and power conversion systems.