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MERSEN FUSE 250V 5ST 0,2A 5.20 MI5ST25V0,2
Mersen J090536 5 x 20 mm time-lag miniature fuse with 0.2 A current rating and 250 V AC voltage rating for industrial and electronic circuit protection.
Why Choose the Mersen J090536 Time-Lag Miniature Fuse?
The Mersen J090536 is a high quality 5 × 20 mm time-lag (slow-blow) miniature fuse designed to protect electrical and electronic equipment against overcurrent conditions whilst allowing temporary inrush currents during equipment start-up. Manufactured by Mersen, a global leader in electrical protection solutions, this fuse delivers dependable circuit protection across industrial, commercial and OEM applications.
As part of the Mersen 5ST IEC miniature fuse series, the J090536 features a 250 V AC voltage rating with a 0.2 A current rating. Its time-delay characteristic makes it ideal for protecting equipment containing transformers, motors, switch mode power supplies and other circuits that experience brief current surges during normal operation.
Manufactured to IEC standards, the compact 5 × 20 mm cartridge design allows straightforward replacement in compatible fuse holders, providing reliable protection while helping minimise nuisance fuse operation.
Key Advantages
- Time-lag (slow-blow) characteristic withstands temporary inrush currents.
- Compact 5 × 20 mm IEC miniature fuse.
- 250 V AC rated for industrial and electronic equipment.
- 0.2 A current rating for sensitive circuit protection.
- Suitable for transformers, motors and power supply protection.
- Manufactured by trusted electrical protection specialist Mersen.
Key Features
- Manufacturer: Mersen.
- Series: 5ST IEC Miniature Fuses.
- Model: J090536.
- Catalogue number: MI5ST25V0.2.
- Fuse size: 5 × 20 mm.
- Fuse type: Time-lag (slow-blow).
- Rated current: 0.2 A.
- Rated voltage: 250 V AC.
- Designed for dependable overcurrent protection.
Reliable Protection for Electronic Equipment
Time-lag miniature fuses are designed to tolerate brief start-up currents while providing dependable protection against sustained overloads and fault conditions. This helps improve equipment reliability and reduces unnecessary fuse replacements caused by harmless inrush currents.
The Mersen 5ST series is widely used in industrial control panels, electronic equipment, instrumentation and OEM machinery where consistent circuit protection is essential for safe and reliable operation.
Typical Applications
- Industrial control panels.
- Electronic equipment.
- Power supplies.
- Instrumentation and test equipment.
- Transformers and auxiliary circuits.
- OEM machinery and automation systems.
Technical Specifications
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| Current | 0.2 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature | |
| Fuse Size | 5x20 mm | |
| Manufacturer | Mersen | |
| Series | 5ST IEC Miniature Fuses | |
| Model | J090536 | |
| Catalogue number | MI5ST25V0.2 | |
| Product type | Time-lag miniature fuse | |
| Fuse size | 5 × 20 mm | |
| Rated current | 0.2 A | |
| Rated voltage | 250 V AC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 35 A | |
| Pre-arcing I²t | 0.099 A²s | |
| Maximum voltage drop | 0.5 V | |
| Power dissipation | 0.33 W | |
| Standards | IEC miniature fuse |
Frequently Asked Questions
What is the Mersen J090536 used for?
The Mersen J090536 protects electrical and electronic equipment from overcurrent while allowing normal temporary inrush currents during start-up.
What is the current rating?
This miniature fuse has a 0.2 A rated current.
What voltage is the fuse rated for?
The fuse is rated for operation on circuits up to 250 V AC.
What does a time-lag fuse do?
A time-lag or slow-blow fuse withstands brief current surges during equipment start-up whilst still protecting against sustained overloads and short circuits.
Where is this fuse commonly installed?
It is commonly used in industrial controls, electronic equipment, instrumentation, power supplies and OEM machinery requiring dependable overcurrent protection.
Trusted by Engineers Worldwide
Mersen miniature fuses are trusted by OEMs, panel builders and maintenance engineers for dependable circuit protection, consistent quality and long-term reliability across industrial and electronic applications.
