MERSEN FUSE 250V SA 6,3 A 5.20 MI5SA25V6,3

MERSEN FUSE 250V SA 6,3 A 5.20 MI5SA25V6,3

Mersen S087025 medium time-lag semiconductor miniature fuse with a 6.3 A current rating, 250 V AC voltage rating and compact 5 x 20 mm clip-mounted cartridge design.

SKU: S087025Alt SKU: MI5SA25V6,3MPN: S087025
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Why Choose the Mersen S087025 Semiconductor Miniature Fuse?

The Mersen S087025 is a compact and dependable medium time-lag semiconductor miniature fuse designed to protect sensitive electronic components, semiconductor devices and control apparatus against damaging overcurrents. Part of the Mersen MI5 SA/SB 125V–250V series, it combines reliable circuit protection with the ability to withstand brief current surges during normal equipment operation.

With a rated current of 6.3 A and an IEC rated voltage of 250 V AC, the S087025 is suitable for electronic and industrial control circuits that may experience temporary inrush currents. Its medium time-lag SA characteristic helps prevent nuisance fuse operation while maintaining effective protection against sustained overloads and short circuits.

The fuse features a compact 5 × 20 mm cartridge format and is designed for clip mounting in a compatible fuse holder. Its space-saving dimensions and dependable operating characteristics make it suitable for power supplies, instrumentation, automation equipment and electronic control assemblies.

Key Advantages

  • Medium time-lag SA characteristic tolerates temporary current surges.
  • 6.3 A rated current for electronic and industrial control circuits.
  • 250 V AC rated voltage for dependable equipment protection.
  • Compact 5 × 20 mm miniature fuse format.
  • Clip mounting enables straightforward installation and replacement.
  • Protects sensitive components against sustained overloads and short circuits.

Key Features

  • Mersen MI5 SA/SB 125V–250V series.
  • 6.3 A nominal current rating.
  • 250 V AC IEC rated voltage.
  • Medium time-lag SA operating characteristic.
  • Compact 5 × 20 mm cylindrical cartridge construction.
  • Clip mounting for compatible fuse holders.
  • Designed for semiconductor devices and sensitive control apparatus.
  • Also available within a product range offering axial-lead versions.

Dependable Protection for Circuits with Inrush Current

Medium time-lag fuses are engineered to tolerate short-duration current increases caused by equipment start-up, capacitor charging and other normal operating conditions. This helps reduce unnecessary fuse replacement while ensuring that sustained overloads and short circuits are safely interrupted.

The Mersen S087025 provides reliable protection for sensitive electronic components and control apparatus. Its compact cartridge construction allows straightforward integration into equipment where installation space is limited and consistent overcurrent protection is essential.

Typical Applications

  • Semiconductor protection circuits.
  • Industrial control equipment.
  • Electronic power supplies.
  • Instrumentation and monitoring systems.
  • Automation and control apparatus.
  • OEM electronic assemblies.

Technical Specifications

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Current 6.3 A
Voltage 250 V
Device Type Fuse link
Fuse Type Miniature, Semiconductor
Fuse Size 5x20 mm
Fuse Class Time delay
Manufacturer Mersen
Series MI5 SA/SB 125V–250V
Model S087025
Catalogue number MI5SA25V6.3
Product type Semiconductor miniature fuse
Rated current 6.3 A
Rated voltage 250 V AC
Operating characteristic Medium time-lag SA
Fuse size 5 × 20 mm
Mounting type Clip mounting
Current type AC
EAN / UPC 3605340077360

Frequently Asked Questions

What is the Mersen S087025 used for?

The S087025 is used to protect sensitive electronic components, semiconductor devices and control apparatus against sustained overloads and short circuits.

What is the current rating of the Mersen S087025?

The fuse has a nominal current rating of 6.3 A.

What voltage is this fuse rated for?

The Mersen S087025 has an IEC rated voltage of 250 V AC.

What does medium time-lag SA mean?

The medium time-lag SA characteristic allows the fuse to withstand brief inrush currents while still interrupting sustained overloads and short circuits.

How is the Mersen S087025 installed?

The fuse uses a compact 5 × 20 mm cartridge design intended for clip mounting in a compatible fuse holder.

Trusted by Electronics and Automation Engineers

Mersen semiconductor miniature fuses are trusted by equipment manufacturers, panel builders and maintenance engineers for dependable protection of sensitive electronic components and industrial control circuits.