MERSEN FUSE 400V FA 0,125 A 6.32 MI6FA40V0,125

Why Choose the Mersen F084369 High-Speed Miniature Fuse?

The Mersen F084369, catalogue reference MI6FA40V0.125, is a compact high-speed miniature semiconductor fuse designed to protect sensitive electronic components and semiconductor devices against damaging overcurrents and short circuits. As part of Mersen’s 6.3 × 32 mm FA/FB 400 V fuse series, it provides rapid fault interruption for demanding electronic and industrial applications.

With a rated current of 0.125 A and a rated voltage of 400 V AC, the F084369 is suitable for precision instrumentation, industrial automation equipment, electronic power supplies and semiconductor control circuits. Its very fast-acting FA characteristic helps limit the electrical energy passed during a fault, reducing thermal stress and the risk of damage to valuable components.

The fuse is manufactured in a standard 6.3 × 32 mm cylindrical cartridge format and features ferrule end caps for clip mounting in a compatible fuse holder. Its compact construction supports straightforward installation and replacement within control equipment, electronic assemblies and other space-restricted applications.

Key Advantages

• High-speed semiconductor protection fuse for sensitive electronic equipment.
• 0.125 A rated current for precise low-current protection.
• 400 V AC rated voltage for industrial electronic circuits.
• Very fast-acting FA characteristic provides rapid fault interruption.
• Compact 6.3 × 32 mm miniature fuse format.
• Ferrule end caps allow convenient clip mounting.
• Very high breaking capacity supports dependable short-circuit protection.
• RoHS-compliant construction for modern electrical equipment.

Key Features

• Mersen 6.3 × 32 mm FA/FB 400 V semiconductor fuse series.
• 0.125 A rated current.
• 400 V AC rated voltage.
• High-speed FA operating characteristic.
• Cylindrical miniature cartridge construction.
• Ferrule ends for clip-mounted fuse holders.
• Designed specifically for semiconductor and electronic component protection.
• Compact format for space-restricted equipment.
• RoHS compliant.

Rapid Protection for Sensitive Electronic Components

High-speed semiconductor fuses are designed to interrupt excessive current before it can cause serious damage to delicate electronic components. Their very fast response helps minimise the thermal and electrical energy reaching semiconductor devices during overload or short-circuit conditions.

The Mersen F084369 combines a low current rating with a compact clip-mounted format, making it suitable for precision circuits where both rapid operation and straightforward fuse replacement are important. Its 400 V AC rating supports use across a broad range of industrial electronic and control applications.

Typical Applications

• Semiconductor device protection.
• Industrial automation equipment.
• Electronic power supplies.
• Measurement and instrumentation systems.
• Electronic control modules.
• Printed circuit board assemblies with fuse holders.
• Industrial control panels.
• Low-current power electronic circuits.