Why Choose the Mersen F206039 Fast-Acting Miniature Fuse?
The Mersen F206039, catalogue reference MI5FC25V2.5, is a compact fast-acting miniature semiconductor fuse designed to protect sensitive electronic components and semiconductor devices against damaging overcurrents and short circuits. It forms part of Mersen’s 5 × 20 mm FC 250 V miniature fuse series, providing rapid and reliable circuit interruption for industrial and electronic equipment.
With a rated current of 2.5 A and a rated voltage of 250 V AC, the F206039 is suitable for electronic power supplies, instrumentation, industrial control equipment and semiconductor-based assemblies. Its fast FC operating characteristic helps limit the electrical energy passed during a fault, reducing thermal stress and the risk of damage to protected components.
The fuse is manufactured in a durable 5 × 20 mm ceramic cartridge format with ferrule end caps for installation in a compatible clip-mounted fuse holder. Its standard miniature dimensions and replaceable construction support straightforward installation and maintenance within control panels, electronic equipment and space-restricted assemblies.
Key Advantages
- Fast-acting semiconductor protection fuse for sensitive electronic equipment.
- 2.5 A rated current for industrial and electronic circuits.
- 250 V AC rated voltage.
- FC fast-acting characteristic provides rapid fault interruption.
- Compact 5 × 20 mm miniature fuse format.
- 1.5 kA minimum interrupting rating.
- Ceramic cartridge construction provides dependable electrical insulation.
- Ferrule end caps allow convenient clip mounting and replacement.
Key Features
- Mersen 5 × 20 mm FC 250 V semiconductor fuse series.
- 2.5 A rated current.
- 250 V AC rated voltage.
- Fast FC operating characteristic.
- 1.5 kA minimum interrupting rating.
- Ceramic cylindrical cartridge body.
- Ferrule terminals for clip-mounted fuse holders.
- Designed for semiconductor and sensitive electronic circuit protection.
- RoHS-compliant construction.
Fast Protection for Sensitive Electronic Circuits
Semiconductor devices and electronic components can be damaged by excessive current before conventional time-delay fuses operate. Fast-acting fuses such as the Mersen F206039 are designed to interrupt fault currents quickly, helping limit the thermal and electrical energy reaching protected components.
The F206039 combines a fast FC characteristic with a compact and replaceable cartridge design. Its ceramic body, ferrule connections and standard 5 × 20 mm dimensions make it suitable for electronic equipment requiring dependable protection and convenient fuse replacement.
Typical Applications
- Semiconductor device protection.
- Industrial automation and control equipment.
- Electronic power supplies.
- Instrumentation and measurement systems.
- Printed circuit board assemblies with fuse holders.
- Electronic control modules.
- Industrial control panels.
- Sensitive electronic circuits requiring fast fault interruption.
