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MERSEN FUSE 250V FA 4A 5.20 AL MI5FAP25V4
Mersen X208262 very fast-acting miniature semiconductor fuse, catalogue number MI5FAP25V4, rated 4 A and 250 V AC in a 5 × 20 mm axial-lead cartridge format.
£2.61
Why Choose the Mersen X208262 Miniature Semiconductor Fuse?
The Mersen X208262 is a high-speed 5 × 20 mm miniature semiconductor fuse designed to protect sensitive electronic components against damaging overcurrent and short-circuit faults. Identified by catalogue number MI5FAP25V4, it has a rated current of 4 A and a rated voltage of 250 V AC.
Part of the Mersen FA/FB miniature semiconductor fuse series, the X208262 features a very fast-acting characteristic that limits the electrical energy passed into protected components during a fault. This rapid response helps reduce thermal stress on semiconductors, power electronics and precision control circuits.
The X208262 incorporates axial leads for direct soldering onto printed circuit boards or connection within electronic assemblies. Its compact dimensions, ceramic construction and high breaking capacity make it suitable for industrial automation equipment, power supplies, instrumentation and OEM electronics.
Key Advantages
- Very fast-acting fuse designed for semiconductor protection.
- 4 A rated current for electronic and power-control circuits.
- 250 V AC rated voltage.
- Compact 5 × 20 mm cartridge format.
- Axial leads allow direct integration into electronic assemblies.
- 10 kA breaking capacity for dependable fault interruption.
Key Features
- Mersen FA/FB miniature semiconductor fuse series.
- Item number: X208262.
- Catalogue number: MI5FAP25V4.
- 4 A rated current.
- 250 V AC rated voltage.
- Very fast-acting FA operating characteristic.
- 5 × 20 mm cylindrical cartridge.
- Axial-lead mounting configuration.
- High breaking capacity for effective fault protection.
- RoHS-compliant construction.
Fast Protection for Sensitive Electronic Components
Semiconductor devices can suffer permanent damage when exposed to excessive fault energy. Very fast-acting fuses interrupt abnormal currents rapidly, helping limit the heat and electrical stress transferred to power semiconductors, control circuits and other sensitive components.
The Mersen X208262 combines a compact cartridge format with axial leads, allowing direct integration into printed circuit boards and electronic assemblies. Its high breaking capacity and low let-through energy make it suitable for equipment requiring dependable and rapid overcurrent protection.
Typical Applications
- Industrial power supplies.
- Semiconductor and power-electronic protection.
- Printed circuit board assemblies.
- Automation and control equipment.
- Instrumentation and measurement systems.
- OEM electronic equipment.
Technical Specifications
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| Current | 4 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | FA/FB Miniature Semiconductor Fuses | |
| Model | X208262 | |
| Catalogue number | MI5FAP25V4 | |
| Product type | Miniature semiconductor fuse | |
| Fuse format | Cylindrical cartridge with axial leads | |
| Fuse size | 5 × 20 mm | |
| Rated current | 4 A | |
| Rated voltage | 250 V AC | |
| Electrical system | AC | |
| Speed / characteristic | Very fast acting FA | |
| Mounting type | Axial leads | |
| Minimum breaking capacity | 10 kA | |
| Pre-arcing I²t | 4.6 A²s | |
| Total clearing I²t | 10 A²s | |
| Application | Semiconductor and electronic circuit protection | |
| RoHS compliant | Yes | |
| EAN / UPC | 3605340209105 |
Frequently Asked Questions
What is the Mersen X208262 used for?
The X208262 is a very fast-acting miniature fuse designed to protect sensitive semiconductor devices and electronic circuits against excessive current and short-circuit faults.
What are the electrical ratings of the X208262?
The fuse has a rated current of 4 A and a rated voltage of 250 V AC.
What size is the Mersen X208262?
It is manufactured in a compact 5 × 20 mm cylindrical cartridge format.
How is the X208262 installed?
The fuse has axial leads that allow it to be soldered directly onto a printed circuit board or connected within a compatible electronic assembly.
What is the breaking capacity of this fuse?
The Mersen X208262 has a minimum breaking capacity of 10 kA, enabling dependable interruption of high fault currents.
Trusted by Electronics and Electrical Professionals
Mersen miniature semiconductor fuses are trusted by equipment manufacturers, automation engineers and maintenance professionals for providing rapid, reliable protection for sensitive electronic components and industrial control systems.
