Why Choose the Mersen K208251 MI5FAP25V0.315 Semiconductor Fuse?
The Mersen K208251, catalogue reference MI5FAP25V0.315, is a compact very fast-acting semiconductor protection fuse designed to protect sensitive electronic components against overloads and short-circuit faults. Its FA operating characteristic rapidly interrupts fault currents, helping minimise thermal and electrical stress on semiconductor devices.
Part of the Mersen 5 × 20 mm FA 250 V miniature fuse series with axial leads, the K208251 combines a ceramic cartridge body with axial wire terminations, making it ideal for direct PCB mounting or soldered installation within compact electronic assemblies.
With a rated current of 0.315 A, a 250 V AC voltage rating and a 10 kA breaking capacity, the Mersen K208251 delivers dependable protection for industrial controls, instrumentation, power supplies and other electronic equipment requiring rapid fault clearance.
Key Advantages
- Very fast-acting semiconductor protection fuse.
- 0.315 A rated current for sensitive electronic circuits.
- 250 V AC rated voltage.
- Compact 5 × 20 mm ceramic cartridge.
- Axial leads allow direct PCB soldering.
- 10 kA breaking capacity for dependable fault interruption.
Key Features
- Mersen MI5FAP semiconductor miniature fuse series.
- Catalogue number: MI5FAP25V0.315.
- 0.315 A rated current.
- 250 V AC rated voltage.
- Very fast-acting FA operating characteristic.
- Axial lead mounting for PCB installation.
- Ceramic cartridge construction.
- Designed for semiconductor and sensitive electronic circuit protection.
Reliable Protection for PCB-Mounted Electronics
The Mersen K208251 is engineered to interrupt fault currents extremely quickly, helping protect semiconductors, integrated circuits and sensitive electronic assemblies from damage caused by overloads and short circuits. Its ceramic construction and high interrupting rating provide dependable protection in demanding industrial environments.
The axial lead design enables direct soldering to printed circuit boards or electronic assemblies, making the fuse suitable for compact equipment where conventional fuse holders are not practical while still providing a replaceable, high-performance protection solution.
Typical Applications
- Semiconductor device protection.
- Printed circuit board assemblies.
- Industrial electronic equipment.
- Electronic power supplies.
- Instrumentation and measuring equipment.
- Automation and OEM control modules.