MERSEN FUSE 500V SA 1,25 A 6.32 MI6SA50V1,25

MERSEN FUSE 500V SA 1,25 A 6.32 MI6SA50V1,25

Mersen M098129 MI6SA50V1.25 semiconductor miniature fuse rated at 1.25 A and 500 V AC, with a medium time-lag SA characteristic and 6.3 × 32 mm clip-mounted format.

SKU: M098129Alt SKU: MI6SA50V1,25MPN: M098129
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Why Choose the Mersen M098129 MI6SA50V1.25 Semiconductor Miniature Fuse?

The Mersen M098129 is a compact 6.3 × 32 mm semiconductor miniature fuse designed to provide reliable overcurrent protection for sensitive electronic components and industrial control equipment. Part of the Mersen MI6SA50V1.25 range, it combines a medium time-lag operating characteristic with a high voltage rating for dependable protection in demanding electrical and electronic applications.

The fuse's SA medium time-lag characteristic allows it to tolerate brief current surges and normal inrush conditions while still responding effectively to sustained overloads and short-circuit faults. This makes it particularly suitable for circuits containing capacitors, transformers, power supplies and semiconductor devices that may experience temporary startup currents.

With a rated current of 1.25 A and a rated voltage of 500 V AC, the M098129 offers dependable protection in a compact clip-mounted format. Its very high breaking capacity and robust construction make it suitable for industrial automation, instrumentation, electronic equipment and OEM machinery.

Key Advantages

  • Compact semiconductor miniature fuse for sensitive electronic equipment.
  • 1.25 A current rating for low-current protection applications.
  • 500 V AC rated voltage for demanding industrial circuits.
  • Medium time-lag characteristic accommodates short-duration current surges.
  • Very high breaking capacity for dependable fault interruption.
  • Standard 6.3 × 32 mm format for compatible clip-mounted fuse holders.

Key Features

  • Mersen MI6SA50V1.25 series.
  • 1.25 A rated current.
  • 500 V AC rated voltage.
  • 6.3 × 32 mm miniature fuse format.
  • Medium time-lag SA operating characteristic.
  • Designed to protect sensitive semiconductor components.
  • Very high breaking capacity.
  • Clip-mounted installation.

Reliable Protection for Sensitive Electronic Components

Semiconductor miniature fuses are engineered to protect electronic components against damaging overcurrents while maintaining reliable circuit operation. The Mersen M098129 uses a medium time-lag characteristic that prevents unnecessary operation during brief current peaks, yet disconnects the circuit when a sustained electrical fault occurs.

This combination of surge tolerance, compact dimensions and high fault-interruption performance makes the M098129 well suited to modern industrial equipment where reliability, component protection and minimal downtime are essential.

Typical Applications

  • Semiconductor and electronic component protection.
  • Industrial automation and control equipment.
  • Power supplies and power conversion equipment.
  • Instrumentation and measuring systems.
  • Electronic control boards and assemblies.
  • OEM machinery and industrial electronics.

Technical Specifications

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Current 1.25 A
Voltage 500 V
Device Type Fuse link
Fuse Type Miniature, Semiconductor
Fuse Class Time delay
Manufacturer Mersen
Series MI6SA 500 V
Model MI6SA50V1.25
Item number M098129
Product type Semiconductor miniature fuse
Rated current 1.25 A
Rated voltage 500 V AC
Current type AC
Speed characteristic Medium time-lag SA
Fuse dimensions 6.3 × 32 mm
Mounting type Clip mounting
Breaking capacity Very high breaking capacity
EAN / UPC 3605340151480

Frequently Asked Questions

What is the Mersen M098129 used for?

The M098129 is used to protect sensitive semiconductor components, electronic equipment and industrial control circuits against sustained overloads and short-circuit faults.

What is the current rating of the Mersen M098129?

The fuse has a rated current of 1.25 A.

What voltage is the M098129 rated for?

The Mersen M098129 is rated for operation at up to 500 V AC.

What does the SA characteristic mean?

The SA characteristic is a medium time-lag response that allows the fuse to withstand brief startup or inrush currents while protecting against sustained overcurrent faults.

What size is the Mersen M098129?

The fuse has a standard miniature cartridge size of 6.3 × 32 mm and is designed for clip mounting in a compatible fuse holder.

Trusted by Electrical and Electronic Engineers Worldwide

Mersen semiconductor miniature fuses are used by OEM manufacturers, automation engineers and maintenance professionals to provide reliable protection for sensitive electronic equipment and industrial control systems.