Why Choose the Mersen Z084409 Miniature Semiconductor Fuse?
The Mersen Z084409 is a compact 6.3 × 32 mm miniature semiconductor fuse designed to provide dependable overcurrent protection for sensitive electronic components, semiconductor devices and industrial control apparatus. Also identified by catalogue number MI6SA25V3.15, it has a rated current of 3.15 A and a rated voltage of 250 V AC.
Part of the Mersen SA miniature semiconductor fuse series, the Z084409 features a medium time-lag operating characteristic. This enables the fuse to tolerate brief inrush currents and temporary electrical surges while maintaining reliable protection against sustained overloads and short-circuit faults.
The fuse is manufactured with a durable ceramic insulating body and ferrule terminals for clip mounting in compatible fuse holders. Its compact cartridge format, controlled time-current response and exceptionally high breaking capacity make it suitable for industrial electronics, power supplies, automation systems, instrumentation and OEM equipment.
Key Advantages
- Reliable protection for semiconductor and electronic circuits.
- 3.15 A rated current for industrial control equipment.
- 250 V AC rated voltage.
- Medium time-lag characteristic tolerates temporary inrush currents.
- 200 kA minimum breaking capacity for dependable fault interruption.
- Compact 6.3 × 32 mm ceramic cartridge format.
Key Features
- Mersen SA miniature semiconductor fuse series.
- Item number: Z084409.
- Catalogue number: MI6SA25V3.15.
- 3.15 A rated current.
- 250 V AC rated voltage.
- Medium time-lag SA operating characteristic.
- 6.3 × 32 mm cylindrical cartridge.
- Ceramic insulating body.
- Ferrule terminals for clip mounting.
- Designed for semiconductor and control-apparatus protection.
Dependable Protection with Inrush-Current Tolerance
Medium time-lag semiconductor fuses are designed to withstand brief current peaks that can occur when electronic equipment starts or changes operating state. This helps prevent unnecessary fuse operation while retaining dependable protection against sustained overloads and short circuits.
The Mersen Z084409 combines controlled time-delay performance with an exceptionally high breaking capacity. When correctly selected and coordinated with the protected circuit, it helps improve equipment reliability and reduce damage to semiconductor devices and control apparatus during electrical faults.
Typical Applications
- Industrial power supplies.
- Semiconductor protection circuits.
- Electronic control apparatus.
- Automation and instrumentation equipment.
- Circuits with temporary inrush currents.
- OEM electronic and electrical assemblies.
