MERSEN FUSE 250V SA 0,1 A 5.20 MI5SA25V0,1

MERSEN FUSE 250V SA 0,1 A 5.20 MI5SA25V0,1

Mersen M084122 MI5SA25V0.1 high speed 5 × 20 mm miniature fuse rated at 0.1 A and 250 V AC with a 10 kA breaking capacity for semiconductor and electronic circuit protection.

SKU: M084122Alt SKU: MI5SA25V0,1MPN: M084122
Price
List Price £5.12 ex VAT
Your Price (ex VAT)
£5.12
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £5.12
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 50

£5.12

Why Choose the Mersen M084122 MI5SA25V0.1 High Speed Miniature Fuse?

The Mersen M084122 is a precision-engineered 5 × 20 mm high speed miniature fuse developed to protect sensitive semiconductor devices, electronic circuits and industrial control equipment against overloads and short-circuit faults. Part of the trusted Mersen MI5SA25V0.1 series, this fuse delivers exceptionally fast fault interruption for demanding electronic and industrial applications.

Designed for applications where rapid protection is essential, the MI5SA25V0.1 fuse helps minimise damage to sensitive electronic components by clearing fault currents quickly. Its compact dimensions make it suitable for installation in standard 5 × 20 mm fuse holders used throughout industrial automation, instrumentation and control equipment.

With a 0.1 A current rating, a 250 V AC rated voltage and a 10 kA breaking capacity, the M084122 provides dependable circuit protection for low-current electronic and semiconductor applications.

Key Advantages

  • High speed miniature fuse for semiconductor protection.
  • 0.1 A current rating for sensitive electronic circuits.
  • 250 V AC rated voltage for industrial applications.
  • 10 kA breaking capacity for reliable fault interruption.
  • Compact 5 × 20 mm industry-standard format.
  • Manufactured by Mersen for dependable long-term performance.

Key Features

  • Manufacturer: Mersen.
  • Series: MI5SA25V0.1.
  • Model: M084122.
  • Product type: High speed miniature fuse.
  • Current rating: 0.1 A.
  • Rated voltage: 250 V AC.
  • Breaking capacity: 10 kA.
  • 5 × 20 mm clip mounting format.

Reliable Protection for Sensitive Electronic Equipment

High speed miniature fuses are specifically designed to protect semiconductor devices, measuring equipment and electronic control circuits from damaging overcurrents. Their rapid operating characteristics help prevent costly component failures while maintaining reliable system operation.

The Mersen MI5SA series is widely used in industrial automation, instrumentation, electronic assemblies and OEM equipment where fast, dependable protection is required for low-current circuits.

Typical Applications

  • Semiconductor protection.
  • Industrial automation equipment.
  • Electronic control systems.
  • Instrumentation and measuring equipment.
  • Power supplies.
  • OEM electronic assemblies.

Technical Specifications

Current 1 A
Voltage 250 V
Manufacturer Mersen
Series MI5SA25V0.1
Model M084122
Product type High speed miniature fuse
Current rating 0.1 A
Rated voltage 250 V AC
Fuse dimensions 5 × 20 mm
Breaking capacity 10 kA
Mounting Clip mounting
RoHS compliant Yes
Device Type Fuse link
Fuse Type Miniature, Semiconductor
Fuse Class Time delay

Frequently Asked Questions

What is the Mersen M084122 used for?

The M084122 protects sensitive semiconductor devices and electronic circuits against overloads and short-circuit faults.

What is the current rating of this fuse?

This fuse has a 0.1 A current rating.

What voltage is the M084122 rated for?

The fuse is designed for applications operating up to 250 V AC.

What size is the fuse?

The M084122 is manufactured in the standard 5 × 20 mm miniature fuse format.

What type of applications is this fuse suitable for?

It is ideal for semiconductor protection, industrial electronics, instrumentation, automation systems and sensitive control circuits.

Trusted by Engineers Worldwide

Mersen miniature semiconductor fuses are trusted by electrical engineers, OEM manufacturers and panel builders for delivering fast, dependable protection for sensitive electronic equipment and industrial control systems.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...