MERSEN FUSE 400V FA 0,4 A 5.20 G093317

MERSEN FUSE 400V FA 0,4 A 5.20 G093317

Mersen G093317 MI5FA40V0.4 high-speed semiconductor miniature fuse rated 0.4 A and 400 V AC in a 5 x 20 mm ceramic cartridge format.

SKU: G093317MPN: G093317
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Why Choose the Mersen G093317 High-Speed Miniature Fuse?

The Mersen G093317, catalogue reference MI5FA40V0.4, is a high-speed semiconductor miniature fuse designed to provide rapid protection for sensitive electronic and semiconductor components against overcurrents and short circuits. Its very fast-acting FA operating characteristic limits fault energy quickly, helping protect valuable power electronic devices from damage.

Part of Mersen's 5 × 20 mm 400 V semiconductor fuse range, the G093317 features a ceramic cylindrical cartridge designed for clip mounting in compatible fuse holders. Its compact construction makes it ideal for industrial electronics, instrumentation, power supplies, converters and automation equipment requiring dependable high-speed circuit protection.

With a rated current of 0.4 A and a rated voltage of 400 V AC, the Mersen G093317 offers excellent protection for low-current semiconductor circuits. Its high breaking capacity and low pre-arcing and clearing I²t values help minimise thermal stress on protected components during fault conditions.

Key Advantages

  • Very fast-acting FA operating characteristic for semiconductor protection.
  • 0.4 A rated current for sensitive electronic circuits.
  • 400 V AC rated voltage for industrial applications.
  • Compact 5 × 20 mm ceramic cartridge.
  • Low I²t values help reduce damage to semiconductor devices.
  • High breaking capacity for dependable fault interruption.
  • Clip mounting enables simple installation and replacement.
  • RoHS-compliant construction.

Key Features

  • Mersen semiconductor miniature fuse.
  • Manufacturer item number G093317.
  • Catalogue reference MI5FA40V0.4.
  • 0.4 A rated current.
  • 400 V AC rated voltage.
  • Very fast-acting FA characteristic.
  • 5 × 20 mm fuse size.
  • Ceramic cartridge construction.
  • Clip-mounted installation.
  • Designed specifically for semiconductor protection.

Reliable Protection for Sensitive Semiconductor Circuits

Semiconductor devices are highly sensitive to excessive fault energy. The Mersen G093317 uses a very fast-acting fuse element to interrupt fault currents rapidly, reducing thermal stress and helping extend the service life of expensive electronic components.

Its ceramic construction, compact size and low I²t performance make it an excellent choice for industrial automation equipment, electronic power supplies, converters, instrumentation and precision control systems where dependable circuit protection is essential.

Typical Applications

  • Semiconductor device protection.
  • Industrial automation equipment.
  • Electronic power supplies.
  • Power converters and inverters.
  • Instrumentation and measurement equipment.
  • Electronic control systems.
  • Printed circuit assemblies.
  • OEM industrial electronics.

Technical Specifications

Current 4 A
Voltage 400 V
Manufacturer Mersen
Item number G093317
Catalogue reference MI5FA40V0.4
Product type High-speed semiconductor miniature fuse
Series Semiconductor Miniature Fuses Size 5 × 20 FA 400 V
Rated current 0.4 A
Rated voltage 400 V AC
Current type AC
Operating characteristic Very fast-acting (FA)
Fuse size 5 × 20 mm
Fuse format Cylindrical cartridge
Mounting type Clip mounting
Body material Ceramic
Pre-arcing I²t 0.03 A²s
Total clearing I²t 0.18 A²s
RoHS compliant Yes
Device Type Fuse link
Fuse Type Miniature, Semiconductor
Fuse Size 5x20 mm
Fuse Class Fast acting

Frequently Asked Questions

What is the Mersen G093317 used for?

The Mersen G093317 protects semiconductor devices and sensitive electronic circuits against damaging overcurrents and short circuits.

What is the current rating of the G093317?

The fuse has a rated current of 0.4 A.

What voltage is the Mersen G093317 rated for?

The fuse is rated for operation up to 400 V AC.

How is the G093317 installed?

The fuse is supplied as a 5 × 20 mm ceramic cartridge designed for installation in compatible clip-mounted fuse holders.

Why is a very fast-acting FA fuse important?

A very fast-acting FA fuse rapidly limits fault energy, helping protect semiconductor devices and sensitive electronic components from damage.

Trusted Semiconductor Protection from Mersen

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

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