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MERSEN FUSE 400V FA 0,25 A 6.32 MI6FA40V0,25
Mersen N084353 MI6FA40V0.25 high-speed 6.3 x 32 mm miniature cartridge fuse rated at 0.25 A and 400 V AC for semiconductor and sensitive electronic circuit protection.
£2.49
Why Choose the Mersen N084353 High-Speed Fuse?
The Mersen N084353, catalogue number MI6FA40V0.25, is a compact high-speed miniature cartridge fuse designed to protect sensitive semiconductor devices and electronic components against damaging overcurrents and short circuits. Its very fast-acting FA characteristic helps interrupt electrical faults rapidly, limiting the energy passed to protected equipment.
Rated at 0.25 A and 400 V AC, the N084353 is suitable for low-current electronic circuits where conventional general-purpose fuses may not operate quickly enough. Its standard 6.3 × 32 mm cylindrical format enables straightforward installation in compatible clip-mounted fuse holders.
As part of Mersen’s semiconductor miniature fuse range, the N084353 combines compact dimensions with dependable high-speed protection. It is well suited to industrial automation equipment, test instruments, power electronics and OEM assemblies containing sensitive electronic components.
Key Advantages
- High-speed FA fuse characteristic for sensitive semiconductor circuits.
- 0.25 A current rating for low-current protection applications.
- 400 V AC voltage rating for industrial electronic equipment.
- Compact 6.3 × 32 mm cylindrical cartridge format.
- Rapid fault interruption helps reduce damage to electronic components.
- Designed for clip mounting in compatible miniature fuse holders.
Key Features
- Mersen semiconductor miniature fuse range.
- MI6FA40V0.25 catalogue reference.
- 0.25 A rated current.
- 400 V AC rated voltage.
- High-speed FA operating characteristic.
- 6.3 × 32 mm cartridge dimensions.
- Compact clip-mounted construction.
- Designed for semiconductor and electronic circuit protection.
Fast Protection for Sensitive Electronic Components
Semiconductor components can be damaged by short-duration overcurrent events before a standard fuse has time to operate. The Mersen N084353 uses a high-speed FA characteristic to interrupt fault currents rapidly and reduce the electrical and thermal stress placed on protected components.
Its miniature cylindrical design makes it suitable for compact equipment where installation space is limited. When fitted in a correctly rated fuse holder, the N084353 provides dependable circuit isolation and helps improve the reliability and service life of electronic equipment.
Typical Applications
- Semiconductor device protection.
- Industrial electronic control circuits.
- Automation and monitoring equipment.
- Test and measurement instruments.
- Power conversion electronics.
- OEM electrical and electronic assemblies.
Technical Specifications
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| Current | 0.25 A | |
|---|---|---|
| Voltage | 400 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 6.3x32 mm | |
| Manufacturer | Mersen | |
| Series | Semiconductor Miniature Fuses Size 6 × 32 FA/FB 400 V | |
| Model | N084353 | |
| Catalogue number | MI6FA40V0.25 | |
| Product type | High-speed miniature cartridge fuse | |
| Rated current | 0.25 A | |
| Rated voltage | 400 V AC | |
| Current type | AC | |
| Operating characteristic | High speed / FA | |
| Fuse size | 6.3 × 32 mm | |
| Mounting type | Clip mounting | |
| EAN / UPC | 3605340062380 | |
| Protection application | Semiconductor and sensitive electronic circuits |
Frequently Asked Questions
What is the Mersen N084353 used for?
The Mersen N084353 provides high-speed overcurrent and short-circuit protection for sensitive semiconductor devices, electronic components and industrial control circuits.
What is the current rating of the N084353?
The fuse has a rated current of 0.25 A, equivalent to 250 mA.
What voltage is the Mersen N084353 rated for?
The N084353 is rated for operation at up to 400 V AC.
What size is the Mersen N084353?
It is a miniature cylindrical cartridge fuse measuring 6.3 × 32 mm.
Is the N084353 suitable for semiconductor protection?
Yes. Its high-speed FA operating characteristic is specifically designed to protect sensitive semiconductor devices and electronic circuits.
Trusted for High-Speed Circuit Protection
Mersen high-speed miniature fuses are trusted by automation engineers, equipment manufacturers and maintenance professionals for dependable protection of sensitive electronic components in industrial applications.
