Why Choose the Mersen Y208033 Miniature Semiconductor Fuse?
The Mersen Y208033 is a compact 5 × 20 mm high-speed semiconductor fuse designed to protect sensitive electronic components against damaging overcurrent and short-circuit faults. Also identified by catalogue number MI5FAP25V6.3, it has a rated current of 6.3 A and a rated voltage of 250 V AC.
Part of the Mersen FA/FB miniature semiconductor fuse series, the Y208033 features a very fast-acting FA characteristic that rapidly interrupts abnormal currents before excessive electrical energy reaches protected semiconductor devices. This helps reduce thermal stress and improve the reliability of power supplies, converters and electronic control equipment.
The fuse incorporates axial leads for direct soldering onto printed circuit boards or connection within electronic assemblies. Its ceramic body, compact design and 10 kA minimum interrupting rating make it suitable for industrial automation, power electronics, instrumentation and OEM applications.
Key Advantages
- High-speed protection for sensitive semiconductor devices.
- 6.3 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/FB miniature semiconductor fuse series.
- Item number: Y208033.
- Catalogue number: MI5FAP25V6.3.
- 6.3 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 energy transferred to sensitive components.
The Mersen Y208033 combines compact semiconductor protection with axial-lead mounting for direct integration into printed circuit boards and electronic assemblies. When correctly selected and 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.
