MERSEN FUSE 500V FA 0,05 A 6.32 MI6FA50V0,05

MERSEN FUSE 500V FA 0,05 A 6.32 MI6FA50V0,05

Mersen Z078889 ultra-fast miniature semiconductor fuse, catalogue number MI6FA50V0.05, rated 0.05 A and 500 V AC in a 6.3 × 32 mm ceramic cartridge format.

SKU: Z078889Alt SKU: MI6FA50V0,05MPN: Z078889
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Sold in packs of 50

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Why Choose the Mersen Z078889 Miniature Semiconductor Fuse?

The Mersen Z078889 is a compact 6.3 × 32 mm ultra-fast miniature semiconductor fuse designed to protect highly sensitive electronic and semiconductor components against damaging overcurrent and short-circuit faults. Also identified by catalogue number MI6FA50V0.05, it has a rated current of 0.05 A and a rated voltage of 500 V AC.

Part of the Mersen FA miniature semiconductor fuse series, the Z078889 features an ultra-fast operating characteristic that interrupts fault currents before excessive energy reaches protected semiconductor devices. This rapid response helps minimise thermal stress and improves the reliability of electronic equipment, converters and precision control circuits.

Manufactured with a ceramic body and ferrule terminals, the fuse is intended for installation in compatible 6.3 × 32 mm fuse holders. Its compact design and exceptionally high breaking capacity make it ideal for industrial automation, instrumentation and electronic equipment requiring reliable semiconductor protection.

Key Advantages

  • Ultra-fast protection for sensitive semiconductor devices.
  • 0.05 A rated current for precision electronic circuits.
  • 500 V AC rated voltage.
  • Compact 6.3 × 32 mm ceramic cartridge.
  • 200 kA breaking capacity for dependable fault interruption.
  • Suitable for industrial electronics and semiconductor protection.

Key Features

  • Mersen FA miniature semiconductor fuse series.
  • Item number: Z078889.
  • Catalogue number: MI6FA50V0.05.
  • 0.05 A rated current.
  • 500 V AC rated voltage.
  • Ultra-fast FA operating characteristic.
  • 6.3 × 32 mm cylindrical ceramic body.
  • Ferrule terminals for clip mounting.
  • Designed for semiconductor protection.
  • RoHS-compliant construction.

Ultra-Fast Protection for Sensitive Electronic Components

Semiconductor devices can be permanently damaged by even very small fault currents if they are not interrupted quickly. Ultra-fast semiconductor fuses are specifically designed to minimise let-through energy, protecting valuable electronic components from thermal and electrical damage.

The Mersen Z078889 combines compact dimensions, ceramic construction and an exceptionally high breaking capacity to provide dependable protection in demanding industrial electronics, instrumentation and power conversion applications.

Typical Applications

  • Semiconductor protection circuits.
  • Industrial electronic equipment.
  • Power converters and rectifiers.
  • Instrumentation systems.
  • Automation and control equipment.
  • OEM electronic assemblies.

Technical Specifications

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Current 0.05 A
Voltage 500 V
Device Type Fuse link
Fuse Type Miniature, Semiconductor
Fuse Size 6.3x32 mm
Manufacturer Mersen
Series FA Miniature Semiconductor Fuses
Model Z078889
Catalogue number MI6FA50V0.05
Product type Miniature semiconductor fuse
Fuse format Cylindrical cartridge
Fuse size 6.3 × 32 mm
Rated current 0.05 A
Rated voltage 500 V AC
Electrical system AC
Speed / characteristic Ultra-fast FA
Minimum breaking capacity 200 kA
Mounting type Clip mounting
Connection type Ferrule
Body material Ceramic
Operating frequency 50 / 60 Hz
EAN 3605340032499
Manufacturer sell-pack quantity 50 pieces

Frequently Asked Questions

What is the Mersen Z078889 used for?

The Z078889 is an ultra-fast miniature semiconductor fuse designed to protect sensitive semiconductor devices and electronic circuits against damaging overcurrent and short-circuit faults.

What are the electrical ratings of the Z078889?

The fuse has a rated current of 0.05 A and a rated voltage of 500 V AC.

What size is the Mersen Z078889?

It is manufactured in the standard 6.3 × 32 mm cylindrical cartridge format.

What is the interrupting rating of this fuse?

The Mersen Z078889 has a 200 kA breaking capacity for reliable interruption of fault currents.

How is the Z078889 installed?

The fuse uses ferrule terminals and is designed for installation in compatible 6.3 × 32 mm clip-mounted fuse holders.

Trusted by Electronics and Electrical Professionals

Mersen miniature semiconductor fuses are trusted worldwide by equipment manufacturers, automation engineers and maintenance professionals for rapid fault interruption and dependable protection of sensitive electronic systems.