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MERSEN FUSE 250V 5ST 0,1A 5.20 MI5ST25V0,1
Mersen F090533 MI5ST25V0.1 time-delay miniature fuse rated at 100 mA and 250 V AC, with a 5 x 20 mm glass cartridge and 35 A breaking capacity.
Why Choose the Mersen F090533 MI5ST25V0.1 Miniature Fuse?
The Mersen F090533 (MI5ST25V0.1) is a dependable 5 x 20 mm time-delay miniature fuse designed to protect electrical distribution circuits, industrial equipment and control systems against overloads and short circuits. As part of the Mersen 5ST IEC miniature fuse series, it provides reliable circuit protection while withstanding brief start-up currents.
This miniature fuse has a rated current of 0.1 A (100 mA) and a rated voltage of 250 V AC. Its time-delay operating characteristic allows temporary current surges to pass without unnecessary fuse operation, making it suitable for equipment containing small motors, transformers and power supplies.
Manufactured in the standard 5 x 20 mm glass cartridge format, the Mersen F090533 is designed for clip mounting in compatible miniature fuse holders. It offers a 35 A AC breaking capacity and meets the requirements of IEC 60127-2 Sheet 3 for time-delay miniature fuses.
Key Advantages
- Reliable time-delay overcurrent protection.
- 0.1 A rated current for low-current electrical circuits.
- 250 V AC rated voltage.
- Withstands brief start-up and inrush currents.
- 35 A AC breaking capacity.
- Standard 5 x 20 mm miniature fuse dimensions.
Key Features
- Mersen 5ST IEC miniature fuse series.
- 0.1 A (100 mA) rated current.
- 250 V AC rated voltage.
- Time-delay operating characteristic.
- 5 x 20 mm glass cartridge format.
- 35 A AC breaking capacity.
- Nickel-plated brass contact caps.
- RoHS-compliant construction.
Reliable Time-Delay Circuit Protection
Time-delay fuses such as the Mersen F090533 are designed to tolerate brief current surges that occur when motors, transformers and power supplies are energised. This helps reduce nuisance fuse operation while maintaining dependable protection against sustained overloads.
If excessive current continues beyond the permitted time-current limits, the fuse element melts and interrupts the electrical circuit. This helps protect wiring, electronic components and connected equipment from damage caused by overloads and short circuits.
Typical Applications
- Small motor protection circuits.
- Industrial control panels.
- Electrical distribution circuits.
- Power supplies and transformers.
- Electronic equipment and assemblies.
- Automation systems and OEM machinery.
Technical Specifications
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| Current | 0.1 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Time delay | |
| Manufacturer | Mersen | |
| Series | 5ST IEC Miniature Fuses | |
| Part number | F090533 | |
| Catalogue reference | MI5ST25V0.1 | |
| Product type | Time-delay miniature fuse | |
| Fuse size | 5 x 20 mm | |
| Rated current | 0.1 A (100 mA) | |
| Rated voltage | 250 V AC | |
| Current type | AC | |
| Operating characteristic | Time-delay | |
| Breaking capacity | 35 A AC | |
| Pre-arcing I²t | 0.048 A²s | |
| Power dissipation at rated current | 0.32 W | |
| Maximum voltage drop | 1.19 V | |
| Body material | Glass | |
| Contact caps | Nickel-plated brass | |
| Construction | Without extinguishing agent | |
| Mounting type | Clip mounting | |
| Product diameter | 5 mm | |
| Product length | 20 mm | |
| Applicable standard | IEC 60127-2 Sheet 3 | |
| RoHS compliant | Yes |
Frequently Asked Questions
What is the Mersen F090533 used for?
The Mersen F090533 provides time-delay overload and short-circuit protection for low-current electrical distribution circuits, industrial equipment and small motor applications.
What is the current rating of the Mersen F090533?
The fuse has a rated current of 0.1 A, equivalent to 100 mA.
What voltage is this miniature fuse rated for?
The Mersen F090533 is rated for operation at up to 250 V AC.
What does time-delay mean?
A time-delay fuse withstands brief start-up currents while still operating during sustained overloads and short circuits.
What size is the Mersen F090533?
It is a standard 5 x 20 mm glass cartridge fuse designed for installation in a compatible fuse holder or clip.
Trusted by Electrical Professionals Worldwide
Mersen miniature fuses are widely used by panel builders, OEMs and maintenance engineers for dependable protection across industrial automation, electrical distribution and electronic equipment.
