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MERSEN FUSE 250V SA 0,63 A 6.32 MI6SA25V0,63
Mersen K084419 MI6SA25V0.63 medium time-lag semiconductor protection fuse rated at 0.63 A and 250 V AC in a compact 6.3 by 32 mm ceramic cartridge format.
£3.15
Why Choose the Mersen K084419 MI6SA25V0.63 Semiconductor Fuse?
The Mersen K084419, catalogue reference MI6SA25V0.63, is a compact medium time-lag semiconductor protection fuse designed to protect sensitive electronic components and control equipment against overcurrent and short-circuit faults. Its SA operating characteristic allows the fuse to tolerate brief current surges while still providing dependable protection against sustained fault conditions.
Part of the Mersen 6.3 × 32 mm SA miniature fuse series, the K084419 combines a compact ceramic cartridge format with a very high breaking capacity. This makes it suitable for industrial control systems, instrumentation, power supplies and electronic assemblies where reliable circuit protection and resistance to temporary inrush currents are required.
With a rated current of 0.63 A and a rated voltage of 250 V AC, the Mersen K084419 is designed for clip mounting within a compatible fuse holder. Its ceramic body and cylindrical end caps provide dependable electrical insulation, mechanical strength and straightforward replacement during maintenance.
Key Advantages
- Medium time-lag semiconductor protection fuse.
- 0.63 A rated current for sensitive electronic circuits.
- 250 V AC rated voltage.
- Compact 6.3 × 32 mm ceramic cartridge.
- Allows short-duration current surges without unnecessary operation.
- Very high breaking capacity for reliable fault interruption.
Key Features
- Mersen MI6SA semiconductor miniature fuse series.
- Catalogue number: MI6SA25V0.63.
- 0.63 A rated current.
- 250 V AC rated voltage.
- Medium time-lag SA operating characteristic.
- Designed for semiconductor devices and control apparatus.
- Compact cylindrical ceramic cartridge construction.
- Clip mounting for compatible fuse holders.
Reliable Protection with Inrush Current Tolerance
Electronic control equipment can experience temporary current surges during start-up or switching. The medium time-lag characteristic of the Mersen K084419 allows these short-duration surges to pass without unnecessary fuse operation while still disconnecting the circuit when a sustained overload or short circuit occurs.
Its compact 6.3 × 32 mm format makes it suitable for space-restricted equipment and control panels. When installed within a correctly rated fuse holder, the K084419 provides a replaceable and dependable protection solution for sensitive industrial electronics and semiconductor circuits.
Typical Applications
- Semiconductor device protection.
- Industrial control equipment.
- Electronic power supplies.
- Instrumentation and measuring apparatus.
- Automation and monitoring systems.
- OEM electronic and control assemblies.
Technical Specifications
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| Current | 0.63 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Semiconductor | |
| Fuse Class | Time delay | |
| Manufacturer | Mersen | |
| Series | Semiconductor Miniature Fuses Size 6.3 × 32 SA 125–250 V | |
| Model | K084419 | |
| Catalogue number | MI6SA25V0.63 | |
| Product type | Semiconductor protection cartridge fuse | |
| Rated current | 0.63 A | |
| Rated voltage | 250 V AC | |
| Current type | AC | |
| Operating characteristic | Medium time-lag SA | |
| Minimum breaking capacity | 200 kA | |
| Pre-arcing I²t | 0.11 A²s | |
| Total clearing I²t | 0.2 A²s | |
| Fuse dimensions | 6.3 × 32 mm | |
| Product diameter | 6.3 mm | |
| Product length | 32 mm | |
| Mounting type | Clip mounting | |
| Connection type | Cylindrical end caps | |
| Body material | Ceramic | |
| Product weight | Approx. 2.5 g | |
| EAN / UPC | 3605340063196 |
Frequently Asked Questions
What is the Mersen K084419 used for?
The K084419 is a medium time-lag cartridge fuse designed to protect sensitive semiconductor devices, electronic components and control equipment against sustained overloads and short-circuit faults.
What is the current rating of the K084419?
The Mersen K084419 has a rated current of 0.63 A.
What voltage is this fuse rated for?
The fuse has a rated operating voltage of 250 V AC.
What does the SA characteristic mean?
The SA characteristic provides medium time-lag operation, allowing brief inrush currents to pass while protecting the circuit against sustained overcurrent and short-circuit conditions.
How is the Mersen K084419 installed?
The fuse is designed for clip mounting within a compatible holder suitable for 6.3 × 32 mm cartridge fuses and the required electrical ratings.
Trusted for Sensitive Circuit Protection
Mersen miniature semiconductor fuses are widely used by electrical engineers, equipment manufacturers and automation specialists to provide dependable protection for sensitive electronic and industrial control systems.
