Why Choose the Mersen Y093309 Miniature Semiconductor Fuse?
The Mersen Y093309 is a compact and dependable 5 × 20 mm high-speed semiconductor fuse designed to protect sensitive electronic components against overcurrent and short-circuit faults. Also identified by catalogue number MI5FA40V0.16, it has a rated current of 0.16 A and a rated voltage of 400 V AC.
Part of the Mersen FA miniature semiconductor fuse series, the Y093309 uses a very fast-acting design to interrupt abnormal currents before excessive fault energy reaches the protected equipment. This rapid response helps minimise electrical and thermal stress on diodes, thyristors, triacs and other sensitive semiconductor devices.
The fuse features a ceramic cylindrical body with ferrule terminals for clip mounting in compatible 5 × 20 mm fuse holders. Its compact dimensions, low let-through energy and 10 kA minimum interrupting rating make it suitable for industrial electronics, power converters, control systems and OEM equipment.
Key Advantages
- Very fast-acting protection for sensitive semiconductor devices.
- 0.16 A rated current for low-current electronic circuits.
- 400 V AC rated voltage.
- Compact 5 × 20 mm ceramic cartridge.
- 10 kA minimum interrupting rating for dependable fault clearance.
- Clip-mounted design supports straightforward installation and replacement.
Key Features
- Mersen FA miniature semiconductor fuse series.
- Item number: Y093309.
- Catalogue number: MI5FA40V0.16.
- 0.16 A rated current.
- 400 V AC rated voltage.
- High-speed FA operating characteristic.
- 5 × 20 mm cylindrical cartridge.
- Ceramic insulating body.
- Ferrule terminals for clip mounting.
- RoHS-compliant construction.
High-Speed Protection for Sensitive Electronic Components
Semiconductor devices can suffer permanent damage when excessive current is allowed to flow for even a short period. High-speed fuses respond rapidly to electrical faults, helping limit peak current and the total energy transferred to sensitive components.
The Mersen Y093309 combines low-current protection with compact ceramic construction and dependable interrupting performance. When correctly selected and coordinated with the protected circuit, it helps improve equipment reliability and reduce damage during overload and short-circuit conditions.
Typical Applications
- Semiconductor protection circuits.
- Power converters and rectifiers.
- Diode, thyristor and triac protection.
- Industrial automation equipment.
- Electronic control and instrumentation systems.
- OEM electrical and electronic assemblies.
