MERSEN FUSE 500V FA 0,125A 6.32 AL MI6FAP50V0,125

MERSEN FUSE 500V FA 0,125A 6.32 AL MI6FAP50V0,125

Mersen B208197 MI6FAP50V0.125 high-speed semiconductor miniature fuse rated at 0.125 A and 500 V AC, featuring a 6.3 x 32 mm ceramic body and axial leads.

SKU: B208197Alt SKU: MI6FAP50V0,125MPN: B208197
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Why Choose the Mersen B208197 Semiconductor Miniature Fuse?

The Mersen B208197, also identified by the catalogue number MI6FAP50V0.125, is a high-speed semiconductor miniature fuse designed to protect sensitive electronic components and power semiconductor devices against damaging overcurrents and short circuits. It forms part of Mersen's 6.3 × 32 mm FA miniature fuse range, engineered for applications requiring exceptionally fast fault interruption.

With a rated current of 0.125 A and a rated voltage of 500 V AC, the B208197 provides precise circuit protection for low-current electronic equipment. Its very fast-acting FA characteristic helps limit the energy transferred during a fault, reducing the risk of damage to delicate semiconductor components.

The fuse features axial leads and soldered connections, allowing direct mounting onto printed circuit boards or integration into compact electronic assemblies. Its ceramic construction and very high breaking capacity provide dependable performance in industrial automation, power conversion and OEM electronic applications.

Key Advantages

  • High-speed semiconductor miniature fuse for sensitive electronics.
  • 0.125 A current rating for precise low-current protection.
  • 500 V AC rated voltage for demanding electronic applications.
  • Very fast-acting FA characteristic limits damaging fault energy.
  • Axial leads enable direct soldering onto printed circuit boards.
  • Very high breaking capacity for dependable short-circuit protection.

Key Features

  • Mersen 6.3 × 32 mm FA 500 V miniature fuse series.
  • Catalogue number: MI6FAP50V0.125.
  • 0.125 A rated current.
  • 500 V AC rated voltage.
  • High-speed FA operating characteristic.
  • Axial lead mounting with soldered connections.
  • Durable ceramic fuse body.
  • Designed for semiconductor and sensitive electronic circuit protection.

High-Speed Protection for Sensitive Electronics

Semiconductor devices can be damaged in a fraction of a second when exposed to excessive current. The Mersen B208197 uses a very fast-acting FA characteristic to interrupt overloads and short circuits rapidly, helping minimise thermal and electrical stress on sensitive components.

Its compact ceramic body and axial lead format make it easy to incorporate into printed circuit boards, power conversion equipment and electronic control assemblies. The high interrupting capacity provides additional protection where potentially severe fault currents may occur.

Typical Applications

  • Semiconductor protection circuits.
  • Printed circuit boards.
  • Industrial power supplies.
  • Power conversion equipment.
  • Rectifiers and electronic converters.
  • Industrial automation equipment.
  • Instrumentation and control systems.
  • OEM electronic assemblies.

Technical Specifications

Current 125 A
Voltage 500 V
Manufacturer Mersen
Series Semiconductor Miniature Fuses 6.3 × 32 mm FA 500 V AL
Model B208197
Catalogue number MI6FAP50V0.125
Product type Semiconductor miniature fuse
Rated current 0.125 A
Rated voltage 500 V AC
Fuse characteristic High-speed FA
Fuse size 6.3 × 32 mm
Mounting type Axial leads
Terminal type Soldered connection
Minimum interrupting rating 200 kA
Melting I²t 0.00077 A²s
Clearing I²t at rated voltage 0.003 A²s
Body material Ceramic
Product diameter 6.8 mm
Overall product length 76 mm
Product weight approx. 2.8 g
Compliance RoHS compliant
EAN 3605340208436
Device Type Fuse link
Fuse Type Miniature, Semiconductor
Fuse Size 6.3x32 mm

Frequently Asked Questions

What is the Mersen B208197 used for?

The Mersen B208197 is used to protect sensitive semiconductor devices and electronic circuits against overloads and short circuits.

What is the current rating of the B208197?

The fuse has a rated current of 0.125 A, equivalent to 125 milliamps.

What voltage is this fuse rated for?

The Mersen B208197 is rated for operation at up to 500 V AC.

Is the Mersen B208197 a fast-acting fuse?

Yes. It has a high-speed FA characteristic designed to interrupt damaging fault currents rapidly and protect sensitive semiconductor components.

How is the B208197 installed?

The fuse incorporates axial leads with soldered connections, allowing it to be mounted directly onto a printed circuit board or connected within an electronic assembly.

Trusted by Electronics and Automation Professionals

Mersen semiconductor miniature fuses are trusted by electronic equipment manufacturers, automation engineers and maintenance professionals to provide dependable high-speed protection for sensitive electronic components.

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