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Mersen N084054 - Miniature Fuses Size 5x20 250V 0.063A High Speed FB Clip Mounting
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Mersen N084054 Miniature Fuses Size 5x20 250V 0.063A High Speed FB Clip Mounting

Alternate Item Number: MI5FB25V0.063


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Specification Sheet

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Minimum Qty: 50

Multiplier: 50

*Contact for lower quantities*

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

Mersen N084054 miniature fuse provides fast-acting overcurrent protection for sensitive electronic circuits, particularly in power electronics and instrumentation applications. Rated at 250V and 0.063A, this 5x20mm fuse features a high-speed FB acting characteristic, ensuring rapid response to fault conditions with minimal let-through energy. Designed specifically for semiconductor protection, it safeguards critical components such as converters, diodes, thyristors, triacs, and measuring/control apparatus from overcurrent and short circuits. The clip mounting design enables quick installation and replacement in compact electronic systems, reducing downtime during maintenance. With a breaking capacity optimized for semiconductor applications, this fuse ensures reliable performance in demanding environments where prolonged overcurrent events cannot be tolerated. The 5x20mm form factor is a standard across many electronic devices, ensuring broad compatibility with existing infrastructure. Mersen’s high-quality construction, including precise fuse element design and robust materials, delivers consistent protection for delicate components in power supplies, industrial controls, and other high-reliability applications. This fuse meets stringent performance requirements for applications requiring fast-acting, high-breaking-capacity protection in compact form factors.
  • 5x20mm miniature fuse size for standard electronic device compatibility
  • High-speed FB acting characteristic for rapid overcurrent response
  • 250V voltage rating with 0.063A current rating
  • Clip mounting design for easy installation and replacement
  • Protects semiconductors, converters, diodes, thyristors, and triacs

Specifications

Connection Type
clip mounting
Current Rating
0.063 A
Mounting Type
Clip Mounting
Series
FA/FB
Size
5x20
Voltage Rating
250 V
Package Dimensions (L x W x H)
0.79 in x 0.2 in x 0.2 in
Package Dimensions (L x W x H)
20 mm x 5 mm x 5 mm
Package Weight (Imperial)
0.0030 lb
Package Weight (Metric)
0.0010 kg
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Frequently Asked Questions

What is the pre-arcing I²t for the MI5FA25V10 fuse?

The pre-arcing I²t for the MI5FA25V10 fuse is 4.5 A²s.

What is the rated current for item number N084054?

The rated current for item number N084054 is 0.063 A.

What is the breaking capacity of the MI5FB25V0.063 fuse?

The breaking capacity of the MI5FB25V0.063 fuse is 4 kA.

What is the breaking capacity of the MI5FB25V0.063 fuse?

The breaking capacity of the MI5FB25V0.063 fuse is 4 kA.

What is the rated current for item number N084054?

The rated current for item number N084054 is 0.063 A.

What is the pre-arcing I²t for the MI5FA25V10 fuse?

The pre-arcing I²t for the MI5FA25V10 fuse is 4.5 A²s.

What is the voltage rating for these miniature fuses?

These fuses have a voltage rating of 125V-250V.

What is the weight of a single fuse?

The weight of a single fuse is 1.2 g.

What is the size of these miniature fuses?

The size of these fuses is 5x20mm.

What is the ampere range for these fuses?

The ampere range for these fuses is from 0.04A to 20A.

Frequently Asked Questions about Mersen

What industries and applications are Mersen products used for?

Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.

What are the main product lines offered by Mersen?

Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.

What are the key features of Mersen products?

Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.

What environmental ratings do Mersen products have?

Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.

What accessories are available for Mersen products?

Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.

How are Mersen products typically installed?

Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.

What certifications and standards do Mersen products comply with?

Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.

What technical support does Mersen offer?

Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.