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.
