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

GSD-V1/2

Alternate Item Number: GSD-V1/2

UPC: 782001244811

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Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

Overview

The Mersen GSD-V1/2 is a high-quality miniature fuse designed for reliable overcurrent protection in a wide range of industrial and electronic applications. Engineered for fast-acting interruption, this fuse is crucial for safeguarding sensitive equipment from damaging surges and faults. Its robust ceramic body construction ensures durability and excellent thermal performance, making it suitable for demanding operational environments. With a voltage rating of 250VAC and a precise current rating of 0.5A, the GSD-V1/2 is ideal for protecting low-power circuits, control systems, power supplies, and various electronic devices. The 5x20mm standard size ensures compatibility with a vast array of fuse holders and equipment designs, simplifying integration into existing systems. The soldered connection provides a secure and reliable electrical interface, minimizing the risk of connection failures. Mersen is a globally recognized leader in electrical protection and power management solutions, renowned for its commitment to quality, innovation, and safety. Choosing a Mersen fuse means investing in a product backed by decades of expertise and a reputation for consistent performance. The GSD-V series exemplifies this dedication, offering dependable protection that helps prevent costly downtime and equipment damage. Key specifications and features of the Mersen GSD-V1/2 include: * **Type:** Miniature Fuse * **Series:** GSD-V * **Manufacturer:** Mersen * **SKU:** GSD-V1/2 * **Voltage Rating:** 250VAC * **Current Rating:** 0.5A * **Interrupting Rating:** (Typically high for this class, ensuring safety during fault conditions) * **Response Time:** Fast-Acting * **Body Material:** Ceramic (for enhanced thermal and dielectric properties) * **Dimensions:** 5mm x 20mm (standard cartridge size) * **Connection:** Soldered * **Agency Approvals:** (Often includes UL, VDE, CSA, etc., depending on specific product variant and market) This fuse is an essential component for engineers and technicians seeking to ensure the integrity and longevity of their electronic and electrical systems. Its fast-acting nature is critical in applications where rapid fault detection and interruption are paramount, such as in: * Power supplies and converters * Control panels and automation equipment * Consumer electronics * Test and measurement instruments * Telecommunications equipment * Lighting control systems When selecting fuses, professionals consider the operating voltage, expected normal current, potential fault currents, and the required interruption speed. The Mersen GSD-V1/2, with its fast-acting characteristic and robust construction, meets these requirements for many common low-voltage applications. Its reliable performance contributes to overall system safety and operational efficiency, making it a trusted choice for critical protection duties. The standard 5x20mm form factor also ensures broad compatibility across various equipment manufacturers and designs, facilitating ease of replacement and inventory management.
  • Mersen GSD-V1/2 miniature fuse for reliable overcurrent protection.
  • Fast-acting interruption to safeguard sensitive electronic equipment.
  • 250VAC voltage rating and 0.5A current rating for low-power applications.
  • Durable ceramic body construction for enhanced thermal performance.
  • Standard 5x20mm size with soldered connection for secure integration.

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
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 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.