Why Choose the Mersen Q078927 MI5SA40V0.05 Semiconductor Miniature Fuse?
The Mersen Q078927, catalogue reference MI5SA40V0.05, is a compact 5 × 20 mm semiconductor miniature fuse designed to protect sensitive electronic components and industrial control circuits from overloads and short circuits. Part of Mersen's proven MI5 SA 400 V miniature fuse series, it provides dependable circuit protection for demanding power-electronic applications.
Rated at 0.05 A and 400 V AC, this fuse features a medium time-lag (SA) characteristic that allows short-duration inrush currents while providing reliable protection against sustained fault conditions. Its compact cylindrical design is ideal for applications where installation space is limited.
Manufactured to Mersen's high quality standards, the Q078927 is suitable for protecting semiconductor devices, industrial electronics, instrumentation and automation equipment where reliable overcurrent protection is essential.
Key Advantages
- Reliable protection for semiconductor and electronic circuits.
- 0.05 A current rating for sensitive low-current applications.
- 400 V AC voltage rating for industrial electronic equipment.
- Medium time-lag characteristic tolerates brief inrush currents.
- Compact 5 × 20 mm cylindrical construction.
- Suitable for installation in compatible miniature fuse holders.
Key Features
- Mersen MI5 SA 400 V miniature fuse series.
- Catalogue number: MI5SA40V0.05.
- Manufacturer part number: Q078927.
- Rated current: 0.05 A.
- Rated voltage: 400 V AC.
- Medium time-lag SA characteristic.
- 5 × 20 mm miniature cylindrical fuse.
- Designed for clip or fuse-holder mounting.
- Very high breaking capacity.
- Suitable for semiconductor protection.
Reliable Protection for Sensitive Electronics
Semiconductor fuses are engineered to safeguard sensitive electronic equipment against damaging overcurrent conditions. Their carefully controlled operating characteristics help protect expensive components while reducing unnecessary fuse operation during normal equipment start-up.
The Mersen MI5 SA series is widely used in industrial automation, instrumentation, power electronics and OEM equipment where dependable low-current circuit protection is required.
Typical Applications
- Industrial control systems.
- Semiconductor protection.
- Electronic power supplies.
- Automation equipment.
- Instrumentation and monitoring systems.
- Power electronic assemblies.
- OEM machinery.
- Electronic control panels.
