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Mersen GSD-V1/2 - Miniature fuse GSD-V - Fast-Acting 250VAC 0.5A Size 5x20 Soldered connection
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Mersen GSD-V1/2 Miniature fuse GSD-V - Fast-Acting 250VAC 0.5A Size 5x20 Soldered connection

Alternate Item Number: GSD-V1/2

UPC: 782001244811

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Specification Sheet

Contact for Pricing

Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

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

Overview

The Mersen GSD-V1/2 miniature fuse provides precise overcurrent protection for low-power industrial and electronic circuits. Rated at 250VAC and 0.5A, this fast-acting fuse features a robust ceramic body and 1-1/2" axial leads with soldered connections for reliable electrical contact. Designed for compatibility with standard 5x20mm fuse holders, it integrates seamlessly into power supplies, control panels, automation equipment, and consumer electronics. Engineered for fast fault interruption, the GSD-V1/2 safeguards sensitive components from damaging surges while maintaining operational efficiency. Its compact 5x20mm form factor ensures broad compatibility across equipment designs, simplifying inventory management and replacement. The ceramic construction delivers superior thermal and dielectric performance, making it suitable for demanding environments. Ideal for applications including power conversion, test instrumentation, telecommunications, and lighting control systems, this fuse meets critical protection requirements with consistent, repeatable performance. Choose the GSD-V1/2 for dependable circuit defense in low-voltage applications where rapid fault detection is essential.
  • Voltage rating: 250VAC
  • Current rating: 0.5A
  • Fast-acting response for rapid fault interruption
  • Ceramic body construction for thermal and dielectric stability
  • 5x20mm standard size with 1-1/2" axial leads and soldered connections
  • Compatible with standard fuse holders and low-power circuit applications

Specifications

AC Voltage Rating
250 V
Amperage Rating
0.5 A
Application
Electronic circuits
Brand Name
Mersen
Case
Ceramic
Case Material
Ceramic
Class
Supplemental
Connection
Soldered connection
Connection Type
Soldered
Current Rating
0.5 A
Material
Ceramic
Mounting
Surface
Series
GSD-V
Size
3.83 x 0.2 in
Size
97.282 x 5.08 mm
Size
3.83 x 0.2;97.282 x 5.08 in;mm
Size
5x20 mm
Size
5mm x 20mm
Special Features
Ceramic body Fast-acting 5 mm x 20 mm 1-1/2" Axial leads
Standard
4/10A through 10A, 250VAC, UL & CSA Recognized 1A through 6-3/10A, 250 VAC, SEMKO Approved 1A through 6-3/10A, 250 VAC, VDE Approved IEC 127-2 Standard Sheet 1
Type
5x20mm
Voltage Rating
250 VAC
Package Dimensions (L x W x H)
3.83 in x 0.2 in x 0.2 in
Package Dimensions (L x W x H)
97.282 mm x 5.08 mm x 5.08 mm
Package Weight (Imperial)
0.010 lb
Package Weight (Metric)
0.005 kg
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Frequently Asked Questions

What is the voltage rating of the GSD-V1/2 fuse?

The GSD-V1/2 fuse has a voltage rating of 250VAC.

What is the current rating for the GSD-V1/2 fuse?

The current rating for the GSD-V1/2 fuse is 0.5A.

What is the fuse body material?

The fuse body is made of ceramic for enhanced thermal and dielectric properties.

What are the dimensions of the GSD-V1/2 fuse?

The GSD-V1/2 fuse measures 5mm in diameter and 20mm in length.

What type of connections does the GSD-V1/2 fuse use?

The GSD-V1/2 fuse uses soldered axial leads for electrical connection.

Is the GSD-V1/2 fuse fast-acting?

Yes, the GSD-V1/2 fuse is designed as a fast-acting fuse for rapid fault interruption.

What applications is the GSD-V1/2 suitable for?

The GSD-V1/2 is suitable for power supplies, control panels, automation equipment, consumer electronics, test instruments, and telecommunications equipment.

What is the interrupting rating of the GSD-V1/2?

The interrupting rating is 1500A for 250VAC applications.

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.