Why Choose the Mersen A099107 MI6SA40V6.3 Miniature Fuse?
The Mersen A099107 MI6SA40V6.3 is a compact 6.3 A semiconductor miniature fuse designed to protect sensitive electronic components, control equipment and industrial circuits against overcurrents and short circuits. Part of Mersen’s MI6SA 400 V miniature fuse series, it combines reliable circuit protection with a compact 6.3 × 32 mm cartridge format.
Its medium time-lag SA operating characteristic allows the fuse to withstand brief inrush and transient currents without unnecessary operation. This makes it particularly suitable for circuits and equipment that experience temporary current surges during start-up while still requiring effective protection against sustained overloads and electrical faults.
Rated at 6.3 A and 400 V AC, the Mersen A099107 is designed for clip mounting in a compatible fuse holder. Its ceramic construction, compact dimensions and high breaking capacity provide dependable performance in demanding industrial automation, electronic control and OEM equipment applications.
Key Advantages
- Compact 6.3 × 32 mm miniature fuse for space-constrained equipment.
- 6.3 A rated current for protecting electronic and control circuits.
- 400 V AC rated voltage for industrial applications.
- Medium time-lag characteristic tolerates brief inrush and transient currents.
- High breaking capacity for dependable short-circuit interruption.
- Designed to protect semiconductor devices and control apparatus.
Key Features
- Mersen MI6SA semiconductor miniature fuse series.
- 6.3 A rated current.
- 400 V AC rated voltage.
- Medium time-lag SA operating characteristic.
- Standard 6.3 × 32 mm cartridge size.
- Clip-mounted installation in a compatible fuse holder.
- Designed for circuits with inrush or transient current conditions.
- No integrated fuse operation indicator.
Reliable Protection for Circuits with Inrush Current
Electronic control equipment and semiconductor components can be damaged when excessive current generates heat beyond their operating limits. The Mersen A099107 helps protect connected equipment by interrupting sustained overloads and short-circuit currents before damaging energy reaches sensitive components.
The medium time-lag characteristic allows harmless start-up surges and transient currents to pass without immediately operating the fuse. This helps reduce nuisance fuse replacement while maintaining reliable protection against genuine electrical faults.
Typical Applications
- Semiconductor device protection.
- Industrial electronic control equipment.
- Power supplies and control circuits.
- Automation and instrumentation systems.
- Equipment with inrush or transient current conditions.
- OEM electronic and electrical assemblies.
