Why Choose the Mersen Y205411 Miniature Semiconductor Fuse?
The Mersen Y205411 is a compact and dependable 5 × 20 mm fast-acting semiconductor fuse designed to protect sensitive electronic components against overcurrent and short-circuit faults. Also identified by catalogue number MI5FC25V5, 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 Y205411 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 has a durable ceramic insulating body with ferrule terminals for clip mounting in compatible fuse holders. Its compact format, dependable interruption performance and 1.5 kA minimum breaking capacity make it suitable for industrial electronics, automation equipment, power supplies 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 cartridge.
- Clip-mounted construction supports quick installation and replacement.
- 1.5 kA minimum interrupting rating.
Key Features
- Mersen FC miniature semiconductor fuse series.
- Item number: Y205411.
- Catalogue number: MI5FC25V5.
- 5 A rated current.
- 250 V AC rated voltage.
- Fast-acting F operating characteristic.
- 5 × 20 mm cylindrical cartridge format.
- Ferrule terminals for clip mounting.
- 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 Y205411 combines compact semiconductor protection with a standard clip-mounted cartridge format. When correctly selected for the protected circuit, it helps improve equipment reliability and reduce damage during overload and short-circuit conditions.
Typical Applications
- Semiconductor protection circuits.
- Industrial power supplies and converters.
- Automation and electronic control equipment.
- Instrumentation and monitoring systems.
- Electronic switching equipment.
- OEM electrical and electronic products.
