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 G093317 MI5FA40V0.4 high-speed semiconductor miniature fuse rated 0.4 A and 400 V AC in a 5 x 20 mm ceramic cartridge format.
£2.71
The Mersen G093317, catalogue reference MI5FA40V0.4, is a high-speed semiconductor miniature fuse designed to provide rapid protection for sensitive electronic and semiconductor components against overcurrents and short circuits. Its very fast-acting FA operating characteristic limits fault energy quickly, helping protect valuable power electronic devices from damage.
Part of Mersen's 5 × 20 mm 400 V semiconductor fuse range, the G093317 features a ceramic cylindrical cartridge designed for clip mounting in compatible fuse holders. Its compact construction makes it ideal for industrial electronics, instrumentation, power supplies, converters and automation equipment requiring dependable high-speed circuit protection.
With a rated current of 0.4 A and a rated voltage of 400 V AC, the Mersen G093317 offers excellent protection for low-current semiconductor circuits. Its high breaking capacity and low pre-arcing and clearing I²t values help minimise thermal stress on protected components during fault conditions.
Semiconductor devices are highly sensitive to excessive fault energy. The Mersen G093317 uses a very fast-acting fuse element to interrupt fault currents rapidly, reducing thermal stress and helping extend the service life of expensive electronic components.
Its ceramic construction, compact size and low I²t performance make it an excellent choice for industrial automation equipment, electronic power supplies, converters, instrumentation and precision control systems where dependable circuit protection is essential.
Tick the specs you need, then view products that match.
| Current | 0.4 A | |
|---|---|---|
| Voltage | 400 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Item number | G093317 | |
| Catalogue reference | MI5FA40V0.4 | |
| Product type | High-speed semiconductor miniature fuse | |
| Series | Semiconductor Miniature Fuses Size 5 × 20 FA 400 V | |
| Rated current | 0.4 A | |
| Rated voltage | 400 V AC | |
| Current type | AC | |
| Operating characteristic | Very fast-acting (FA) | |
| Fuse size | 5 × 20 mm | |
| Fuse format | Cylindrical cartridge | |
| Mounting type | Clip mounting | |
| Body material | Ceramic | |
| Pre-arcing I²t | 0.03 A²s | |
| Total clearing I²t | 0.18 A²s | |
| RoHS compliant | Yes |
The Mersen G093317 protects semiconductor devices and sensitive electronic circuits against damaging overcurrents and short circuits.
The fuse has a rated current of 0.4 A.
The fuse is rated for operation up to 400 V AC.
The fuse is supplied as a 5 × 20 mm ceramic cartridge designed for installation in compatible clip-mounted fuse holders.
A very fast-acting FA fuse rapidly limits fault energy, helping protect semiconductor devices and sensitive electronic components from damage.
Mersen high-speed semiconductor fuses are trusted worldwide by OEMs, panel builders and industrial engineers for protecting sensitive electronic equipment and power conversion systems.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.