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MERSEN FUSE 250V FA 5 A 5.20 R084011
Mersen R084011 MI5FA25V5 high-speed semiconductor miniature fuse rated at 5 A and 250 V AC with a 5 x 20 mm ceramic body and FA very fast-acting characteristic.
£1.92
Why Choose the Mersen R084011 High-Speed Semiconductor Fuse?
The Mersen R084011, catalogue reference MI5FA25V5, is a high-speed ceramic miniature fuse designed to provide rapid overcurrent and short-circuit protection for sensitive semiconductor devices and electronic equipment. As part of Mersen's 5 × 20 mm FA miniature fuse series, it delivers reliable protection for industrial automation, measuring equipment and power electronics where fast fault interruption is essential.
Its FA very fast-acting characteristic helps minimise the energy transmitted during fault conditions, reducing the risk of damage to semiconductors such as diodes, thyristors, IGBTs and rectifiers. The ceramic body provides excellent thermal performance together with a high breaking capacity for demanding industrial applications.
With a rated current of 5 A and a rated voltage of 250 V AC, the R084011 is suitable for protecting compact electronic circuits and power control equipment. Its standard 5 × 20 mm clip-mounted format allows quick installation into compatible miniature fuse holders.
Key Advantages
- Very fast-acting FA semiconductor protection fuse.
- 5 A rated current for industrial electronic circuits.
- 250 V AC rated voltage.
- Compact 5 × 20 mm ceramic cartridge.
- High breaking capacity for dependable fault interruption.
- Suitable for semiconductor devices, instrumentation and control equipment.
Key Features
- Mersen MI5FA25V5 miniature semiconductor fuse.
- 5 A rated current.
- 250 V AC rated voltage.
- FA very fast-acting characteristic.
- 5 × 20 mm ceramic body.
- Clip mounting.
- High-speed protection for semiconductor devices.
- RoHS compliant.
Reliable Protection for Sensitive Electronic Equipment
Semiconductor devices require rapid protection because they can be permanently damaged by even short-duration fault currents. The Mersen R084011 is engineered to interrupt fault conditions quickly, helping reduce thermal stress and extending the service life of protected electronic components.
Its compact ceramic construction and standard 5 × 20 mm dimensions make it suitable for industrial automation equipment, measuring instruments, power supplies and other electronic systems where dependable, high-speed circuit protection is required.
Typical Applications
- Semiconductor protection.
- Industrial automation equipment.
- Electronic power supplies.
- Power converters and rectifiers.
- Instrumentation and measuring equipment.
- Industrial control systems.
Technical Specifications
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| Current | 5 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | Semiconductor Miniature Fuses Size 5 × 20 FA/FB 125 V to 250 V | |
| Model | R084011 | |
| Catalogue number | MI5FA25V5 | |
| Product type | High-speed semiconductor miniature fuse | |
| Rated current | 5 A | |
| Rated voltage | 250 V AC | |
| Fuse size | 5 × 20 mm | |
| Operating characteristic | FA (very fast acting) | |
| Body material | Ceramic | |
| Mounting type | Clip mounting | |
| Supply type | AC | |
| Compliance | RoHS | |
| EAN | 3605340059588 |
Frequently Asked Questions
What is the Mersen R084011 used for?
The Mersen R084011 provides very fast overcurrent protection for semiconductor devices, industrial electronics and sensitive control circuits.
What is the current rating of the R084011 fuse?
The fuse has a rated current of 5 A.
What voltage is the Mersen R084011 rated for?
The fuse is rated for operation on circuits up to 250 V AC.
Is the R084011 a time-delay fuse?
No. It has an FA very fast-acting characteristic, making it suitable for protecting sensitive semiconductor components.
How is the Mersen R084011 installed?
The fuse has a standard 5 × 20 mm ceramic body designed for installation in compatible clip-mounted miniature fuse holders.
Trusted Semiconductor Protection from Mersen
Mersen high-speed miniature fuses are trusted worldwide by panel builders, automation engineers and equipment manufacturers to provide dependable protection for semiconductor devices and industrial electronic systems.
