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MERSEN FUSE 500V FA 0,315 A 6.32 MI6FA50V0,315
Mersen A084203 MI6FA high-speed semiconductor miniature fuse rated at 0.315 A and 500 V AC, with a 200 kA interrupting rating and compact 6.3 x 32 mm ceramic construction.
£3.08
Why Choose the Mersen A084203 High-Speed Miniature Fuse?
The Mersen A084203, catalogue number MI6FA50V0.315, is a compact high-speed semiconductor miniature fuse designed to protect sensitive electronic components and semiconductor devices against damaging overcurrent and short-circuit conditions.
Part of Mersen’s MI6FA miniature fuse range, the A084203 combines a standard 6.3 × 32 mm cylindrical format with a rated current of 0.315 A and a rated voltage of 500 V AC. Its very fast-acting FA characteristic interrupts fault current rapidly, helping limit the electrical and thermal energy passed into vulnerable components.
The Mersen A084203 features a ceramic body, ferrule terminals and an exceptionally high 200 kA minimum interrupting rating. Its clip-mounted construction makes it suitable for industrial control equipment, instrumentation, electronic power supplies and other applications requiring dependable semiconductor circuit protection.
Key Advantages
- High-speed FA characteristic provides rapid fault interruption.
- 0.315 A current rating for sensitive electrical circuits.
- 500 V AC voltage rating for industrial applications.
- Very high 200 kA minimum interrupting rating.
- Compact 6.3 × 32 mm cylindrical format.
- Durable ceramic construction with ferrule terminals.
Key Features
- Mersen MI6FA semiconductor miniature fuse series.
- 0.315 A rated current.
- 500 V AC rated voltage.
- High-speed, very fast-acting FA fuse characteristic.
- 200 kA minimum breaking capacity.
- Low melting and clearing I²t values.
- Clip-mounted cylindrical fuse construction.
- Ferrule terminal connection.
- High-quality ceramic insulating body.
- RoHS-compliant construction.
Rapid Protection for Sensitive Electronic Equipment
Semiconductor devices can be damaged by short-duration overcurrent events. High-speed fuses such as the Mersen A084203 respond rapidly when excessive current occurs, helping restrict the energy passed into sensitive components before significant thermal or electrical damage develops.
The A084203 combines low I²t values with a very high interrupting capacity, making it suitable for circuits where fast and dependable fault clearance is essential. Its standard 6.3 × 32 mm dimensions allow straightforward installation in a correctly rated compatible clip-mounted fuse holder.
Typical Applications
- Semiconductor device protection.
- Electronic measuring equipment.
- Industrial control apparatus.
- Automation and process control systems.
- Electronic power supplies.
- Instrumentation and monitoring equipment.
Technical Specifications
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| Current | 0.315 A | |
|---|---|---|
| Voltage | 500 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 6.3x32 mm | |
| Manufacturer | Mersen | |
| Item number | A084203 | |
| Catalogue number | MI6FA50V0.315 | |
| Product type | Semiconductor miniature fuse | |
| Product group | Miniature fuses | |
| Fuse series | MI6FA | |
| Rated current | 0.315 A | |
| Rated voltage | 500 V AC | |
| Current type | AC | |
| Speed / characteristic | High speed | |
| Design characteristic | FA | |
| Minimum interrupting rating | 200 kA | |
| Clearing I²t at rated voltage | 0.06 A²s | |
| Melting I²t | 0.016 A²s | |
| Fuse size | 6.3 × 32 mm | |
| Product diameter | 6.3 mm | |
| Product length | 32 mm | |
| Product height | 6.3 mm | |
| Mounting type | Clip mounting | |
| Connection type | Ferrule | |
| Body material | Ceramic | |
| Product weight | Approx. 2.5 g | |
| EAN / UPC | 3605340060904 | |
| Sales pack quantity | 50 | |
| Compliance | RoHS compliant |
Frequently Asked Questions
What is the Mersen A084203 used for?
The Mersen A084203 provides high-speed protection for semiconductor devices, electronic components and industrial control equipment against overcurrent and short-circuit faults.
What is the current rating of the A084203 fuse?
The Mersen A084203 has a rated current of 0.315 A, equivalent to 315 mA.
What voltage is the Mersen A084203 rated for?
The fuse has a rated voltage of 500 V AC.
What size is the A084203 fuse?
The A084203 has a standard cylindrical fuse size of 6.3 × 32 mm and is designed for clip mounting in a compatible fuse holder.
Is the Mersen A084203 a time-delay fuse?
No. The A084203 has a high-speed FA characteristic and is designed to interrupt overcurrent faults rapidly rather than tolerate extended temporary overloads.
Trusted Semiconductor Protection from Mersen
Mersen high-speed miniature fuses are used by equipment manufacturers, control engineers and maintenance professionals to provide dependable protection for sensitive semiconductor, instrumentation and industrial control circuits.
