MERSEN FUSE 125V FA 16 A 5.20 MI5FA12,5V16

MERSEN FUSE 125V FA 16 A 5.20 MI5FA12,5V16

Mersen R084034 MI5FA12.5V16 high-speed semiconductor miniature fuse rated at 16 A and 125 V AC with a 5 x 20 mm ceramic body and FA very fast-acting characteristic.

SKU: R084034Alt SKU: MI5FA12,5V16MPN: R084034
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Why Choose the Mersen R084034 High-Speed Semiconductor Fuse?

The Mersen R084034, catalogue reference MI5FA12.5V16, is a high-speed ceramic miniature fuse developed to provide rapid protection for sensitive semiconductor devices and electronic equipment against overloads and short circuits. Part of Mersen's proven 5 × 20 mm FA semiconductor fuse range, it is engineered for applications requiring extremely fast fault interruption and high breaking capacity.

Its FA very fast-acting characteristic helps minimise the thermal and electrical energy delivered to semiconductor devices during fault conditions. This makes the fuse ideal for protecting rectifiers, thyristors, IGBTs, MOSFETs, converters and other power electronic components used in industrial automation and control systems.

With a rated current of 16 A and a rated voltage of 125 V AC, the R084034 provides dependable protection for high-current electronic circuits. Its compact 5 × 20 mm ceramic construction allows straightforward installation in compatible clip-mounted miniature fuse holders.

Key Advantages

  • Very fast-acting FA semiconductor protection fuse.
  • 16 A rated current for higher-current electronic circuits.
  • 125 V AC rated voltage.
  • Compact 5 × 20 mm ceramic cartridge.
  • High 10 kA breaking capacity for dependable fault interruption.
  • Designed to protect sensitive semiconductor devices and power electronics.

Key Features

  • Mersen MI5FA12.5V16 miniature semiconductor fuse.
  • 16 A rated current.
  • 125 V AC rated voltage.
  • FA very fast-acting characteristic.
  • 5 × 20 mm ceramic body.
  • Clip mounting.
  • 10 kA breaking capacity.
  • UL recognised and RoHS compliant.

Reliable Protection for High-Current Semiconductor Circuits

Power semiconductor devices require rapid fault protection to prevent excessive thermal stress and equipment damage. The Mersen R084034 is engineered to interrupt overcurrents quickly, helping improve the reliability and service life of converters, rectifiers and industrial electronic systems.

Its compact ceramic construction, very fast-acting characteristic and high breaking capacity make it suitable for demanding industrial automation, power conversion and electronic control applications where dependable circuit protection is essential.

Typical Applications

  • Semiconductor protection.
  • Power converters and rectifiers.
  • Industrial automation systems.
  • Electronic power supplies.
  • Motor control equipment.
  • Industrial electronic control panels.

Technical Specifications

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Current 16 A
Voltage 125 V
Device Type Fuse link
Fuse Type Miniature, Semiconductor
Fuse Size 5x20 mm
Fuse Class Fast acting
Manufacturer Mersen
Series Semiconductor Miniature Fuses Size 5 × 20 FA
Model R084034
Catalogue number MI5FA12.5V16
Product type High-speed semiconductor miniature fuse
Rated current 16 A
Rated voltage 125 V AC
Fuse size 5 × 20 mm
Operating characteristic FA (very fast acting)
Breaking capacity 10 kA
Pre-arcing I²t 25 A²s
Clearing I²t 160 A²s
Body material Ceramic
Mounting type Clip mounting
Compliance UL recognised, RoHS compliant

Frequently Asked Questions

What is the Mersen R084034 used for?

The Mersen R084034 provides very fast overcurrent protection for semiconductor devices and industrial electronic equipment.

What is the current rating of the R084034 fuse?

The fuse has a rated current of 16 A.

What voltage is the Mersen R084034 rated for?

The fuse is rated for operation on circuits up to 125 V AC.

Is the R084034 a time-delay fuse?

No. It features an FA very fast-acting characteristic specifically designed to protect sensitive semiconductor components.

How is the Mersen R084034 installed?

The fuse has a standard 5 × 20 mm ceramic body designed for installation in compatible clip-mounted miniature fuse holders.

Trusted Semiconductor Protection from Mersen

Mersen high-speed semiconductor fuses are trusted worldwide by machine builders, panel manufacturers and automation engineers to deliver dependable protection for power electronics and industrial control equipment.