Why Choose the Mersen Y208263 Miniature Semiconductor Fuse?
The Mersen Y208263 is a compact 5 × 20 mm high-speed semiconductor fuse designed to provide rapid protection for sensitive electronic components and semiconductor devices against damaging overcurrent and short-circuit faults. Also identified by catalogue number MI5FAP25V5, it has a rated current of 5 A and a rated voltage of 250 V AC.
Part of the Mersen FA miniature semiconductor fuse series, the Y208263 features a very fast-acting characteristic that rapidly interrupts abnormal currents before excessive electrical energy reaches protected components. This helps minimise thermal stress on diodes, thyristors, converters, rectifiers and precision electronic equipment.
The fuse incorporates axial leads for direct soldering onto printed circuit boards or installation within electronic assemblies. Its ceramic body, compact construction and 10 kA minimum interrupting rating make it ideal for industrial automation, power electronics, instrumentation and OEM equipment.
Key Advantages
- High-speed protection for sensitive semiconductor devices.
- 5 A rated current for electronic and power-control circuits.
- 250 V AC rated voltage.
- Compact 5 × 20 mm ceramic fuse body.
- Axial leads support direct printed circuit board integration.
- 10 kA minimum interrupting rating for dependable fault clearance.
Key Features
- Mersen FA miniature semiconductor fuse series.
- Item number: Y208263.
- Catalogue number: MI5FAP25V5.
- 5 A rated current.
- 250 V AC rated voltage.
- High-speed FA operating characteristic.
- 5 × 20 mm cylindrical ceramic body.
- Axial-lead mounting configuration.
- Soldered electrical connections.
- RoHS-compliant construction.
High-Speed Protection for Sensitive Electronic Components
Semiconductor devices can be permanently damaged when excessive fault energy passes through a circuit. High-speed fuses interrupt abnormal currents rapidly, helping limit peak current, thermal stress and the total electrical energy transferred to sensitive components.
The Mersen Y208263 combines compact semiconductor protection with axial-lead mounting for direct integration into printed circuit boards and electronic assemblies. When correctly coordinated with the protected equipment, it helps improve reliability and reduce damage during overload and short-circuit conditions.
Typical Applications
- Printed circuit board assemblies.
- Semiconductor protection circuits.
- Industrial power supplies and converters.
- Automation and electronic control equipment.
- Instrumentation and monitoring systems.
- OEM electrical and electronic products.
