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 400V SA 0,8 A 5.20 MI5SA40V0,8
Mersen G095479 MI5SA40V0.8 medium time-lag semiconductor miniature fuse rated 0.8 A and 400 V AC in a 5 x 20 mm ceramic cartridge format.
£3.00
Why Choose the Mersen G095479 Medium Time-Lag Miniature Fuse?
The Mersen G095479, catalogue reference MI5SA40V0.8, is a medium time-lag semiconductor miniature fuse designed to provide dependable overcurrent protection for sensitive electronic equipment operating on high-voltage AC circuits. Its SA operating characteristic allows the fuse to withstand temporary inrush currents while providing reliable protection against sustained overloads and short circuits.
Part of Mersen's 5 × 20 mm 400 V SA miniature fuse range, the G095479 features a ceramic cylindrical cartridge designed for installation in compatible clip-mounted fuse holders. Its compact design makes it ideal for industrial automation, instrumentation, power supplies and semiconductor equipment where nuisance fuse operation must be minimised.
With a rated current of 0.8 A and a rated voltage of 400 V AC, the Mersen G095479 combines dependable surge tolerance with rapid fault protection, making it suitable for protecting circuits exposed to temporary start-up currents while maintaining excellent electrical reliability.
Key Advantages
- Medium time-lag SA operating characteristic reduces nuisance fuse operation.
- 0.8 A rated current for sensitive electronic circuits.
- 400 V AC rated voltage for industrial applications.
- Compact 5 × 20 mm ceramic cartridge.
- Suitable for circuits with temporary inrush currents.
- Low I²t values help protect sensitive electronic components.
- Clip mounting enables quick installation and replacement.
- RoHS-compliant construction.
Key Features
- Mersen semiconductor miniature fuse.
- Manufacturer item number G095479.
- Catalogue reference MI5SA40V0.8.
- 0.8 A rated current.
- 400 V AC rated voltage.
- Medium time-lag SA characteristic.
- 5 × 20 mm fuse size.
- Ceramic cartridge construction.
- Clip-mounted installation.
- Designed for semiconductor and electronic equipment protection.
Reliable Protection for Equipment with Inrush Currents
Many electronic systems experience brief current surges when energised. The Mersen G095479 is engineered with a medium time-lag characteristic that tolerates these temporary inrush currents while continuing to provide dependable protection against sustained overloads and fault conditions.
Its ceramic construction, compact dimensions and carefully controlled operating characteristics make it suitable for industrial automation equipment, power supplies, instrumentation and semiconductor circuits where reliable overcurrent protection is essential.
Typical Applications
- Semiconductor protection circuits.
- Industrial automation equipment.
- Electronic power supplies.
- Instrumentation and measurement equipment.
- Electronic control systems.
- Industrial control panels.
- OEM electrical equipment.
- Power conversion equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 0.8 A | |
|---|---|---|
| Voltage | 400 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Time delay | |
| Manufacturer | Mersen | |
| Item number | G095479 | |
| Catalogue reference | MI5SA40V0.8 | |
| Product type | Medium time-lag semiconductor miniature fuse | |
| Series | Semiconductor Miniature Fuses Size 5 × 20 SA 400 V | |
| Rated current | 0.8 A | |
| Rated voltage | 400 V AC | |
| Current type | AC | |
| Operating characteristic | Medium time-lag (SA) | |
| Fuse size | 5 × 20 mm | |
| Fuse format | Cylindrical cartridge | |
| Mounting type | Clip mounting | |
| Body material | Ceramic | |
| Pre-arcing I²t | 0.17 A²s | |
| Total clearing I²t | 0.71 A²s | |
| Product weight | Approximately 0.0012 kg | |
| Indication system | None | |
| RoHS compliant | Yes |
Frequently Asked Questions
What is the Mersen G095479 used for?
The Mersen G095479 provides medium time-lag overcurrent protection for semiconductor devices and electronic equipment operating on circuits up to 400 V AC.
What is the current rating of the G095479?
The fuse has a rated current of 0.8 A.
What voltage is the Mersen G095479 rated for?
The fuse is rated for operation up to 400 V AC.
What does the SA characteristic mean?
The SA characteristic indicates a medium time-lag fuse that tolerates temporary inrush currents while protecting against sustained overloads and short circuits.
How is the G095479 installed?
The fuse is supplied as a 5 × 20 mm ceramic cartridge for installation in compatible clip-mounted fuse holders.
Trusted Circuit Protection from Mersen
Mersen miniature semiconductor fuses are trusted worldwide by OEMs, panel builders and industrial engineers for protecting electronic equipment, automation systems and semiconductor circuits in demanding applications.
