Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
MERSEN FUSE 250V FC 0,4A 5X20 MI5FC25V0,4
Mersen X206031 fast-acting miniature semiconductor fuse, catalogue number MI5FC25V0.4, rated 0.4 A and 250 V AC in a 5 × 20 mm clip-mounted cartridge format.
£1.01
Why Choose the Mersen X206031 Miniature Semiconductor Fuse?
The Mersen X206031 is a compact 5 × 20 mm fast-acting semiconductor fuse designed to protect sensitive electronic components against overcurrent and short-circuit faults. Also identified by catalogue number MI5FC25V0.4, it has a rated current of 0.4 A and a rated voltage of 250 V AC.
Part of the Mersen FC miniature semiconductor fuse series, the X206031 provides rapid interruption during electrical fault conditions. Its fast operating characteristic helps limit thermal and electrical stress on semiconductor devices, control circuits and precision electronic equipment.
The X206031 features a standard cylindrical cartridge format designed for clip mounting in compatible 5 × 20 mm fuse holders. Its compact dimensions and reliable electrical performance make it suitable for industrial automation, electronic power supplies, instrumentation and OEM equipment.
Key Advantages
- Fast-acting fuse designed for sensitive semiconductor protection.
- 0.4 A rated current for low-current electronic circuits.
- 250 V AC rated voltage.
- Compact 5 × 20 mm cartridge format.
- Clip-mounted design for straightforward replacement.
- Helps protect electronic components against overcurrent and short circuits.
Key Features
- Mersen FC miniature semiconductor fuse series.
- Item number: X206031.
- Catalogue number: MI5FC25V0.4.
- 0.4 A current rating.
- 250 V AC voltage rating.
- Fast (F) operating characteristic.
- Standard 5 × 20 mm cylindrical cartridge.
- Designed for clip mounting.
- Suitable for sensitive electronic and semiconductor circuits.
- Compact construction for space-conscious equipment designs.
Fast Protection for Sensitive Electronic Components
Semiconductor devices can be damaged by excessive current in a very short period. Fast-acting fuses respond rapidly to fault conditions, helping limit the energy allowed to pass through the protected circuit before sensitive components are exposed to damaging thermal stress.
The Mersen X206031 provides compact, replaceable protection for low-current electronic circuits. When installed in a correctly rated 5 × 20 mm fuse holder, it is suitable for protecting power electronics, control equipment and precision devices within industrial and commercial systems.
Typical Applications
- Industrial electronic control equipment.
- Semiconductor protection circuits.
- Power supplies and converters.
- Automation and instrumentation systems.
- Electronic test and measurement equipment.
- OEM electronic and electrical assemblies.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 0.4 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 5x20 mm | |
| Manufacturer | Mersen | |
| Series | FC Miniature Semiconductor Fuses | |
| Model | X206031 | |
| Catalogue number | MI5FC25V0.4 | |
| Product type | Miniature semiconductor fuse | |
| Fuse format | Cylindrical cartridge | |
| Fuse size | 5 × 20 mm | |
| Rated current | 0.4 A | |
| Rated voltage | 250 V AC | |
| Electrical system | AC | |
| Speed / characteristic | Fast (F) | |
| Mounting type | Clip mounting | |
| Application | Semiconductor and electronic circuit protection | |
| EAN / UPC | 3605340190731 |
Frequently Asked Questions
What is the Mersen X206031 used for?
The X206031 is a fast-acting miniature fuse designed to protect sensitive semiconductor devices and electronic circuits against excessive current and short-circuit faults.
What are the electrical ratings of the X206031?
The fuse has a rated current of 0.4 A and a rated voltage of 250 V AC.
What size is the Mersen X206031?
It is manufactured in the standard 5 × 20 mm cylindrical cartridge format.
Is the X206031 a fast-acting fuse?
Yes. It has a fast (F) operating characteristic intended to provide rapid protection for sensitive electronic components.
How is the X206031 installed?
The fuse is designed for clip mounting in a compatible fuse holder rated for 5 × 20 mm cartridge fuses and the required circuit voltage and current.
Trusted by Electronics and Electrical Professionals
Mersen miniature semiconductor fuses are used by equipment manufacturers, automation engineers and maintenance professionals to provide fast, dependable protection for sensitive electronic components and industrial control systems.
