Why Choose the Mersen Y205043 Miniature Semiconductor Fuse?
The Mersen Y205043 is a compact and reliable 5 × 20 mm fast-acting semiconductor fuse designed to protect sensitive electronic components against overcurrent and short-circuit faults. Also identified by catalogue number MI5FCP25V5, it has a rated current of 5 A and a rated voltage of 250 V AC.
Part of the Mersen FC miniature semiconductor fuse series, the Y205043 features a fast operating characteristic that interrupts abnormal currents before excessive fault energy can damage semiconductor devices, control circuits and other electronic components.
The fuse is equipped with axial leads for direct soldering onto printed circuit boards or connection within electronic assemblies. Its ceramic body, compact format and dependable interruption performance make it suitable for industrial electronics, converters, automation equipment and OEM products.
Key Advantages
- Fast-acting protection for sensitive semiconductor devices.
- 5 A rated current for electronic and control circuits.
- 250 V AC rated voltage.
- Compact 5 × 20 mm ceramic fuse body.
- Axial leads support direct printed circuit board integration.
- 1.5 kA minimum interrupting rating.
Key Features
- Mersen FC miniature semiconductor fuse series.
- Item number: Y205043.
- Catalogue number: MI5FCP25V5.
- 5 A rated current.
- 250 V AC rated voltage.
- Fast-acting F operating characteristic.
- 5 × 20 mm cylindrical fuse element.
- Axial-lead mounting configuration.
- Ceramic insulating body.
- RoHS-compliant construction.
Fast Protection for Sensitive Electronic Components
Semiconductor components can be damaged when excessive current is allowed to flow for even a short period. Fast-acting fuses interrupt abnormal currents rapidly, helping limit the thermal stress and electrical energy transferred to sensitive devices.
The Mersen Y205043 combines compact semiconductor protection with axial-lead mounting, allowing straightforward integration into printed circuit boards and electronic assemblies. When correctly selected for the protected circuit, it helps improve equipment reliability and reduce damage during electrical faults.
Typical Applications
- Printed circuit board assemblies.
- Semiconductor protection circuits.
- Diode, thyristor and triac protection.
- Industrial power supplies and converters.
- Automation and electronic control equipment.
- OEM electrical and electronic products.
