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MERSEN FUSE 250V FA 0,315 A 6.32 MI6FA25V0,315
Mersen D084321 MI6FA25V0.315 high-speed semiconductor miniature fuse rated at 0.315 A and 250 V AC, with a 6.3 x 32 mm ceramic body, clip mounting and a 200 kA minimum interrupting rating.
£2.37
Why Choose the Mersen D084321 High-Speed Miniature Fuse?
The Mersen D084321, catalogue reference MI6FA25V0.315, is a compact high-speed semiconductor miniature fuse designed to protect sensitive electronic components and semiconductor devices against damaging overcurrents and short circuits. Part of Mersen’s 6.3 × 32 mm FA fuse range, it delivers very fast fault interruption for industrial electronics, measuring equipment and control apparatus.
Rated at 0.315 A and 250 V AC, the D084321 features a high-speed FA operating characteristic that helps minimise the energy passed into protected components during a fault. This makes it particularly suitable for circuits containing sensitive diodes, thyristors, rectifiers and other semiconductor devices that require faster protection than a conventional general-purpose fuse can provide.
The fuse has a durable ceramic body with ferrule terminals and a compact 6.3 × 32 mm cylindrical format. Designed for clip mounting in a compatible fuse holder, it supports straightforward installation and replacement while providing a very high 200 kA minimum interrupting rating for dependable fault protection.
Key Advantages
- High-speed semiconductor protection fuse for sensitive circuits.
- 0.315 A rated current for low-current electronic equipment.
- 250 V AC voltage rating.
- Very fast FA characteristic helps limit damaging let-through energy.
- Very high 200 kA minimum interrupting rating.
- Compact 6.3 × 32 mm cylindrical cartridge.
- Clip mounting enables convenient installation and replacement.
Key Features
- Mersen semiconductor miniature fuse range.
- MI6FA25V0.315 catalogue reference.
- 0.315 A rated current.
- 250 V AC rated voltage.
- High-speed FA operating characteristic.
- 6.3 × 32 mm ceramic fuse body.
- Ferrule terminal configuration.
- Clip-mounted cartridge design.
- Very high fault interrupting capability.
- RoHS-compliant construction.
Fast Protection for Sensitive Electronic Components
Semiconductor components can be damaged by overcurrent events that develop too rapidly for conventional general-purpose fuses to interrupt effectively. The Mersen D084321 uses a high-speed FA characteristic to disconnect fault currents quickly, helping reduce thermal stress and electrical damage to protected devices.
Its low melting and clearing I²t values help restrict the amount of energy released during fault interruption. The compact clip-mounted design also allows the fuse to be installed in space-restricted electronic assemblies and replaced easily during inspection or maintenance.
Typical Applications
- Semiconductor device protection.
- Measuring and control apparatus.
- Industrial electronic equipment.
- Diode and thyristor protection.
- Rectifiers and power conversion circuits.
- Automation and machine control systems.
- Low-current power electronic assemblies.
Technical Specifications
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| Current | 0.315 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 6.3x32 mm | |
| Manufacturer | Mersen | |
| Series | Semiconductor Miniature Fuses 6.3 × 32 FA 125–250 V | |
| Item number | D084321 | |
| Catalogue number | MI6FA25V0.315 | |
| Product type | High-speed semiconductor miniature fuse | |
| Rated current | 0.315 A | |
| Rated voltage | 250 V AC | |
| Current type | AC | |
| Operating characteristic | High speed FA | |
| Fuse size | 6.3 × 32 mm | |
| Mounting type | Clip mounting | |
| Terminal type | Ferrule | |
| Minimum interrupting rating | 200 kA | |
| Melting I²t | 0.016 A²s | |
| Clearing I²t at rated voltage | 0.032 A²s | |
| Body material | Ceramic | |
| Product diameter | 6.3 mm | |
| Product length | 32 mm | |
| Product weight | Approx. 0.0025 kg | |
| EAN / UPC | 3605340062083 | |
| Compliance | RoHS compliant |
Frequently Asked Questions
What is the Mersen D084321 used for?
The Mersen D084321 provides high-speed overcurrent and short-circuit protection for semiconductor devices, measuring equipment, control apparatus and sensitive electronic circuits.
What is the current rating of the D084321?
The fuse has a rated current of 0.315 A.
What voltage is the Mersen D084321 rated for?
The D084321 is rated for operation at up to 250 V AC.
What is the interrupting rating of the D084321?
The fuse has a minimum interrupting rating of 200 kA, providing dependable fault interruption in suitable circuits.
How is the Mersen D084321 installed?
The fuse has a 6.3 × 32 mm cylindrical body with ferrule terminals and is designed for clip mounting in a compatible fuse holder.
Trusted for High-Speed Semiconductor Protection
Mersen high-speed miniature fuses are used by electronic equipment manufacturers, automation engineers and industrial maintenance professionals to provide reliable protection for sensitive semiconductor devices and control circuits.
