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MERSEN FUSE 250V FC 6,3A. 5X20 AL MI5FCP25V6,3
Mersen Z205044 fast-acting miniature semiconductor fuse, catalogue number MI5FCP25V6.3, rated 6.3 A and 250 V AC with a 5 × 20 mm ceramic body and axial leads.
£1.14
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.
Technical Specifications
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| Current | 6.3 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | FC Miniature Semiconductor Fuses 250 V AC | |
| Model | Z205044 | |
| Catalogue number | MI5FCP25V6.3 | |
| Product type | Miniature semiconductor fuse | |
| Fuse format | Cylindrical cartridge with axial leads | |
| Fuse size | 5 × 20 mm | |
| Rated current | 6.3 A | |
| Rated voltage | 250 V AC | |
| Electrical system | AC | |
| Speed / characteristic | Fast acting (F) | |
| Design characteristic | FC | |
| Mounting type | Axial leads | |
| Connection type | Soldered connection | |
| Minimum interrupting rating | 1.5 kA | |
| Melting I²t | 25 A²s | |
| Clearing I²t at rated voltage | 45 A²s | |
| Body / insulating material | Ceramic | |
| Product diameter | 5.5 mm | |
| Overall product length | 76 mm | |
| Product weight | Approx. 1.5 g | |
| EAN / UPC | 3605340185225 | |
| RoHS compliant | Yes | |
| Manufacturer sell-pack quantity | 2,000 pieces |
Frequently Asked Questions
What is the Mersen Z205044 used for?
The Z205044 is a fast-acting miniature fuse designed to protect semiconductor devices and sensitive electronic circuits against overcurrent and short-circuit faults.
What are the electrical ratings of the Z205044?
The fuse has a rated current of 6.3 A and a rated voltage of 250 V AC.
What size is the Mersen Z205044?
The fuse body uses the standard 5 × 20 mm cylindrical format, with an overall axial-lead length of approximately 76 mm.
How is the Z205044 installed?
The fuse has axial leads designed for soldered connection directly onto a printed circuit board or within a compatible electronic assembly.
What is the interrupting rating of this fuse?
The Mersen Z205044 has a minimum interrupting rating of 1.5 kA.
Trusted by Electronics and Electrical Professionals
Mersen miniature semiconductor fuses are trusted by equipment manufacturers, automation engineers and maintenance professionals for rapid fault interruption and dependable protection of sensitive electronic systems.
