MERSEN FUSE 125V FA 14 A 5.20 MI5FA12,5V14

Why Choose the Mersen F085933 High-Speed Miniature Fuse?

The Mersen F085933, catalogue reference MI5FA12.5V14, is a high-speed miniature semiconductor fuse designed to provide rapid protection for sensitive semiconductor devices, electronic circuits and industrial control equipment against damaging overcurrents and short circuits. It forms part of Mersen's 5 × 20 mm FA 125 V fuse series, delivering reliable protection for demanding electronic applications.

With a rated current of 14 A and a rated voltage of 125 V AC, the F085933 is ideal for protecting power supplies, industrial electronics, instrumentation and semiconductor equipment. Its very fast-acting FA characteristic rapidly interrupts fault currents, helping minimise thermal stress and damage to valuable electronic components.

Manufactured in a compact 5 × 20 mm ceramic cartridge format with ferrule end caps, the fuse is designed for installation into compatible clip-mounted fuse holders. Its robust construction makes it suitable for industrial environments where dependable overcurrent protection is essential.

Key Advantages

• High-speed semiconductor protection fuse.
• 14 A rated current for industrial electronic applications.
• 125 V AC rated voltage.
• Very fast-acting FA characteristic for rapid fault interruption.
• Compact 5 × 20 mm miniature fuse.
• Ceramic construction with ferrule end caps.
• Designed to protect sensitive semiconductor devices.
• Suitable for industrial automation and electronic equipment.

Key Features

• Mersen 5 × 20 mm FA 125 V fuse series.
• 14 A rated current.
• 125 V AC rated voltage.
• Very fast-acting FA operating characteristic.
• Ceramic cartridge body.
• Ferrule end cap construction.
• Clip mounting.
• Designed for semiconductor protection.
• RoHS compliant.

Rapid Protection for Sensitive Electronic Equipment

High-speed semiconductor fuses are engineered to interrupt fault currents extremely quickly, helping protect semiconductors, power electronic devices and sensitive control circuits from excessive thermal and electrical stress. Their rapid operation improves equipment reliability and reduces the likelihood of expensive component failures.

The Mersen F085933 combines a compact ceramic construction with a high-performance FA operating characteristic, making it suitable for demanding industrial electronics and semiconductor applications where dependable circuit protection is essential.

Typical Applications

• Semiconductor device protection.
• Industrial automation equipment.
• Electronic power supplies.
• Power electronic assemblies.
• Instrumentation systems.
• Industrial control panels.
• Electronic manufacturing equipment.
• Sensitive electronic circuits.