MERSEN FUSE 250V FA 1A 5.20 AL MI5FAP25V1

MERSEN FUSE 250V FA 1A 5.20 AL MI5FAP25V1

Mersen Q208256 MI5FAP25V1 high-speed 5 x 20 mm semiconductor miniature fuse rated at 1 A and 250 V AC with axial leads for PCB mounting.

SKU: Q208256Alt SKU: MI5FAP25V1MPN: Q208256
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Why Choose the Mersen Q208256 High-Speed Miniature Fuse?

The Mersen Q208256, catalogue reference MI5FAP25V1, is a compact high-speed semiconductor protection fuse designed to provide rapid protection against overcurrents and short circuits in sensitive electronic equipment. Part of Mersen's proven 5 × 20 mm FA miniature fuse range, it offers dependable protection for semiconductor devices and precision electronic circuits.

Its very fast-acting characteristic helps minimise the thermal and electrical energy delivered to protected components during fault conditions. This makes the fuse particularly suitable for safeguarding diodes, thyristors, transistors, rectifiers, power supplies and other semiconductor devices that require rapid fault interruption.

With a rated current of 1 A and a 250 V AC voltage rating, the Q208256 is well suited to industrial electronics, instrumentation and PCB assemblies. The integrated axial leads allow direct soldering to printed circuit boards or convenient installation within compact electronic equipment.

Key Advantages

  • Very fast-acting semiconductor protection fuse.
  • 1 A current rating for precision electronic circuits.
  • 250 V AC rated voltage for industrial and commercial electronics.
  • Compact 5 × 20 mm ceramic fuse design.
  • Axial leads enable direct PCB mounting.
  • High breaking capacity provides dependable fault protection.

Key Features

  • Mersen MI5FAP25V1 miniature fuse.
  • 1 A rated current.
  • 250 V AC rated voltage.
  • High-speed FA operating characteristic.
  • 5 × 20 mm ceramic fuse body.
  • Axial lead mounting.
  • Breaking capacity of 10 kA.
  • RoHS compliant construction.

Reliable Protection for Sensitive Electronics

Fast-acting semiconductor fuses are specifically designed to interrupt fault currents before excessive heat can damage sensitive electronic components. The Mersen Q208256 helps improve equipment reliability by limiting fault energy and protecting valuable semiconductor devices from catastrophic failure.

Its compact 5 × 20 mm format and axial lead construction make it suitable for direct PCB installation and use within industrial controls, instrumentation and electronic power systems where dependable overcurrent protection is essential.

Typical Applications

  • Industrial control electronics.
  • Power supplies and converters.
  • Semiconductor protection.
  • Printed circuit boards.
  • Instrumentation and test equipment.
  • Electronic control systems.

Technical Specifications

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Current 1 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 5 × 20 FA
Model Q208256
Catalogue number MI5FAP25V1
Product type High-speed semiconductor miniature fuse
Rated current 1 A
Rated voltage 250 V AC
Fuse size 5 × 20 mm
Characteristic FA (very fast acting)
Terminal type Axial leads
Breaking capacity 10 kA
Pre-arcing I²t 0.11 A²s
Clearing I²t 0.25 A²s
Compliance RoHS

Frequently Asked Questions

What is the Mersen Q208256 used for?

The Mersen Q208256 is designed to provide very fast overcurrent protection for semiconductor devices and sensitive electronic circuits.

What current is the Q208256 rated for?

This miniature fuse has a 1 A current rating.

What voltage can this fuse be used with?

The fuse is rated for use on circuits up to 250 V AC.

Can the fuse be soldered directly to a PCB?

Yes. The integrated axial leads allow direct mounting onto printed circuit boards or within compact electronic assemblies.

Is this a time-delay fuse?

No. The Q208256 is a very fast-acting FA fuse designed to protect sensitive semiconductor components by interrupting faults rapidly.

Trusted Semiconductor Protection from Mersen

Mersen high-speed miniature fuses are trusted worldwide by equipment manufacturers and control panel builders to provide reliable protection for semiconductor devices, industrial electronics and critical electronic assemblies.