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MERSEN FUSE 400V FA 0,25 A 5.20 MI5FA40V0,25
Mersen E093315 MI5FA40V0.25 high-speed semiconductor fuse rated at 0.25 A and 400 V AC in a 5 x 20 mm miniature cartridge format for clip mounting.
£2.71
Why Choose the Mersen E093315 High-Speed Semiconductor Fuse?
The Mersen E093315 is a compact high-speed semiconductor protection fuse designed to protect sensitive electronic components against damaging overcurrents and short circuits. Also identified by the catalogue number MI5FA40V0.25, this miniature fuse delivers very fast fault interruption for semiconductor devices and precision electronic circuits.
With a rated current of 0.25 A and a 400 V AC voltage rating, the E093315 is ideal for protecting low-current semiconductor circuits where rapid fault clearance and minimal let-through energy are essential. Its high-speed FA characteristic helps minimise electrical and thermal stress on valuable electronic components.
Manufactured in a compact 5 × 20 mm cartridge format, the fuse is designed for clip mounting and is suitable for industrial automation equipment, instrumentation, power electronics and specialist electronic assemblies requiring dependable semiconductor protection.
Key Advantages
- Very fast-acting protection for sensitive semiconductor devices.
- 0.25 A current rating for precision electronic circuits.
- 400 V AC rated voltage.
- Compact 5 × 20 mm miniature cartridge format.
- Very high breaking capacity for dependable fault interruption.
- Clip-mounted design enables straightforward installation and replacement.
Key Features
- Mersen MI5FA40V0.25 semiconductor fuse.
- 0.25 A rated current.
- 400 V AC rated voltage.
- Very fast-acting FA operating characteristic.
- 5 × 20 mm miniature fuse body.
- Designed for clip mounting.
- Very high breaking capacity.
- RoHS and REACH compliant.
Reliable Protection for Sensitive Electronic Components
High-speed semiconductor fuses are engineered to interrupt fault currents significantly faster than conventional fuses. This rapid response helps prevent excessive energy from reaching semiconductor junctions, reducing the risk of permanent damage to expensive electronic components.
The Mersen E093315 combines a compact footprint with dependable high-speed performance, making it suitable for industrial automation equipment, instrumentation, power supplies and electronic control systems where reliable semiconductor protection is critical.
Typical Applications
- Semiconductor protection circuits.
- Industrial automation equipment.
- Electronic control systems.
- Instrumentation and measuring equipment.
- Industrial power supplies.
- Power converters and inverters.
- Electronic PCB assemblies.
- Sensitive industrial electronic equipment.
Technical Specifications
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| Current | 0.25 A | |
|---|---|---|
| Voltage | 400 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 5x20 mm | |
| Manufacturer | Mersen | |
| Series | Semiconductor Miniature Fuses Size 5 × 20 FA 400 V | |
| Model | E093315 | |
| Catalogue number | MI5FA40V0.25 | |
| Product type | High-speed miniature semiconductor fuse | |
| Rated current | 0.25 A | |
| Rated voltage | 400 V AC | |
| Current type | AC | |
| Operating characteristic | High Speed FA | |
| Fuse size | 5 × 20 mm | |
| Mounting type | Clip mounting | |
| Pre-arcing I²t | 0.009 A²s | |
| Clearing I²t | 0.054 A²s | |
| Application | Semiconductor and sensitive electronic circuit protection | |
| EAN / UPC | 3605340117424 |
Frequently Asked Questions
What is the Mersen E093315 used for?
The Mersen E093315 provides high-speed protection for semiconductor devices and sensitive electronic circuits against overloads and short circuits.
What are the current and voltage ratings?
The E093315 has a rated current of 0.25 A and a rated voltage of 400 V AC.
What size is the Mersen E093315?
The fuse is manufactured in the standard 5 × 20 mm miniature cartridge format.
How is the E093315 installed?
The fuse is designed for clip mounting within compatible 5 × 20 mm fuse holders.
Is this suitable for general-purpose cable protection?
No. The E093315 is specifically designed as a high-speed semiconductor protection fuse for sensitive electronic equipment.
Trusted for Semiconductor Protection
Mersen semiconductor miniature fuses are trusted worldwide by machine builders, panel manufacturers and automation engineers to provide fast, dependable protection for sensitive electronic equipment.
