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MERSEN FUSE 500V FA 0,5 A 6.32 B084204
Mersen B084204 MI6FA50V0.5 high-speed semiconductor miniature fuse rated at 0.5 A and 500 V AC, featuring a compact 6.3 x 32 mm ceramic cartridge and 200 kA interrupting capacity.
£2.93
Why Choose the Mersen B084204 MI6FA50V0.5 Miniature Fuse?
The Mersen B084204 MI6FA50V0.5 is a compact 0.5 A high-speed semiconductor miniature fuse designed to protect sensitive electronic components and power semiconductor devices against damaging overcurrents and short circuits. Part of Mersen’s MI6FA 500 V fuse series, it combines very fast fault interruption with a space-saving 6.3 × 32 mm cartridge format.
Its high-speed FA operating characteristic helps restrict the thermal energy passed through to vulnerable semiconductor components during a fault. This makes the fuse particularly suitable for converters, rectifiers, diodes, thyristors, triacs and industrial electronic equipment where conventional general-purpose fuses may not respond quickly enough.
Rated at 0.5 A and 500 V AC, the Mersen B084204 offers a very high 200 kA interrupting capacity. Its ceramic body, nickel-plated brass end caps and clip-mounted construction provide dependable performance in demanding power electronic, automation and OEM applications.
Key Advantages
- High-speed semiconductor protection fuse.
- 0.5 A rated current for sensitive electronic circuits.
- 500 V AC voltage rating for industrial applications.
- Compact 6.3 × 32 mm cartridge format.
- 200 kA interrupting capacity for dependable fault clearance.
- Very fast operation helps minimise damage to semiconductor devices.
Key Features
- Mersen MI6FA semiconductor miniature fuse series.
- 0.5 A rated current.
- 500 V AC rated voltage.
- High-speed FA operating characteristic.
- Standard 6.3 × 32 mm fuse size.
- Clip-mounted installation in a compatible fuse holder.
- Ceramic body with nickel-plated brass end caps.
- Designed specifically for sensitive semiconductor protection.
High-Speed Protection for Sensitive Power Electronics
Power semiconductor devices can be permanently damaged by extremely short overcurrent events. The Mersen B084204 is engineered to interrupt fault current rapidly, helping limit the thermal energy transferred to protected components and improve equipment reliability.
Its very high breaking capacity supports safe fault clearance in installations with substantial prospective short-circuit currents. The compact cartridge format also makes it suitable for electronic assemblies and control equipment where installation space is limited.
Typical Applications
- Power semiconductor protection.
- Converters and rectifier circuits.
- Diode protection.
- Thyristor and triac circuits.
- Industrial electronic power supplies.
- Automation and OEM electronic equipment.
Technical Specifications
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| Current | 0.5 A | |
|---|---|---|
| Voltage | 500 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 6.3x32 mm | |
| Manufacturer | Mersen | |
| Series | MI6FA 500 V | |
| Catalogue number | MI6FA50V0.5 | |
| Manufacturer part number | B084204 | |
| Product type | Semiconductor miniature fuse | |
| Rated current | 0.5 A | |
| Rated voltage | 500 V AC | |
| Current type | AC | |
| Operating characteristic | High speed FA | |
| Fuse Size | 6.3 × 32 mm | |
| Product diameter | Approx. 6.35 mm | |
| Product length | Approx. 31.8 mm | |
| Interrupting capacity | 200 kA | |
| Clearing I²t at rated voltage | 0.2 A²s | |
| Mounting type | Clip mounting | |
| Connection type | Ferrule | |
| Indication system | None | |
| Body material | Ceramic | |
| End-cap material | Nickel-plated brass | |
| Product weight | Approx. 0.0025 kg | |
| EAN | 3605340060935 | |
| Standard | UL / CSA 248-1 recognised | |
| UL file number | E76491 | |
| Compliance | CE, UKCA, RoHS and REACH compliant |
Frequently Asked Questions
What is the Mersen B084204 used for?
The Mersen B084204 is a high-speed miniature fuse used to protect sensitive semiconductor devices, converters and electronic circuits against overcurrents and short circuits.
What is the current rating of the Mersen B084204?
The fuse has a rated current of 0.5 A.
What voltage is the Mersen B084204 rated for?
The Mersen B084204 is rated for operation at up to 500 V AC.
What is the interrupting capacity of this fuse?
The Mersen B084204 has a very high interrupting capacity of 200 kA.
What size is the Mersen B084204?
The fuse uses a compact 6.3 × 32 mm ceramic cartridge format and is designed for clip mounting in a compatible miniature fuse holder.
Trusted by Electronics and Automation Professionals
Mersen semiconductor miniature fuses are trusted by equipment manufacturers, electronics engineers and maintenance professionals for rapid fault interruption and dependable protection of sensitive power electronic components.
