Why Choose the Mersen Z205044 Miniature Semiconductor Fuse?
The Mersen Z205044 is a compact 5 × 20 mm fast-acting semiconductor fuse designed to protect sensitive electronic components against damaging overcurrent and short-circuit faults. Also identified by catalogue number MI5FCP25V6.3, it has a rated current of 6.3 A and a rated voltage of 250 V AC.
Part of the Mersen FC miniature semiconductor fuse series, the Z205044 features a fast operating characteristic that interrupts abnormal currents before excessive fault energy reaches semiconductor devices and electronic control circuits. This helps reduce thermal stress and supports improved equipment reliability.
The fuse incorporates axial leads for direct soldering onto printed circuit boards or connection within electronic assemblies. Its ceramic body, compact construction and dependable interruption performance make it suitable for converters, power supplies, automation equipment and OEM electronic products.
Key Advantages
- Fast-acting 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.
- 1.5 kA minimum interrupting rating.
Key Features
- Mersen FC miniature semiconductor fuse series.
- Item number: Z205044.
- Catalogue number: MI5FCP25V6.3.
- 6.3 A rated current.
- 250 V AC rated voltage.
- Fast-acting F operating characteristic.
- 5 × 20 mm cylindrical ceramic body.
- Axial-lead mounting configuration.
- Soldered electrical connections.
- UL and CSA recognised.
Fast Protection for Sensitive Electronic Components
Semiconductor components can suffer permanent damage when excessive current flows 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 Z205044 combines dependable semiconductor protection with axial-lead mounting for direct integration into printed circuit boards and electronic assemblies. When correctly selected for the protected circuit, it supports improved equipment reliability and reduced damage during overload and short-circuit conditions.
Typical Applications
- Printed circuit board assemblies.
- Semiconductor protection circuits.
- Converters with diodes, thyristors and triacs.
- Industrial power supplies.
- Automation and electronic control equipment.
- OEM electrical and electronic products.
