Mersen GDG-V1/2 - Miniature fuse GDG-V - Time-Delay 250VAC 0.5A Size 5x20 Soldered connection
Mersen

GDG-V1/2

Alternate Item Number: GDG-V1/2

UPC: 782001767815

Documents & Media
Line Drawing

Contact for Pricing

Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

Overview

The Mersen GDG-V1/2 miniature fuse is a high-performance, time-delay glass fuse designed for precision circuit protection in industrial and commercial applications. Manufactured by Mersen, a global leader in electrical protection solutions, this fuse combines reliability, durability, and compliance with international standards to safeguard sensitive electronic equipment from overcurrent conditions. With a voltage rating of 250 VAC and a current rating of 0.5 A, the GDG-V1/2 is ideal for applications requiring low-current protection in compact form factors. This time-delay fuse is engineered to handle temporary overloads without nuisance tripping, making it particularly suitable for circuits with inductive loads, motors, or transformers where inrush currents are common. The 5x20mm glass body ensures robust mechanical strength while providing clear visual indication of fuse status—an essential feature for maintenance and troubleshooting in fast-paced industrial environments. The soldered connection design ensures a secure, low-resistance electrical bond, reducing the risk of intermittent failures or poor contact that can plague other connection types. Typical applications for the Mersen GDG-V1/2 include control panels, power supplies, instrumentation, telecommunications equipment, and consumer electronics where space constraints demand a compact yet high-reliability fuse solution. Its time-delay characteristic makes it an excellent choice for protecting circuits with high inrush currents, such as those found in motor starters, relays, and transformers. The fuse’s 250 VAC rating ensures compatibility with a wide range of global power systems, while its 0.5 A current rating provides precise protection for low-power circuits. Mersen’s reputation for engineering excellence is reflected in the GDG-V1/2’s construction. The glass body is manufactured to withstand thermal shock and mechanical stress, ensuring long-term reliability even in harsh operating conditions. The fuse’s axial leads are designed for easy insertion into printed circuit boards (PCBs) or chassis-mounted fuse holders, offering flexibility in installation without compromising performance. Professionals in industries such as automation, renewable energy, and industrial automation trust Mersen fuses for their proven track record in preventing catastrophic equipment failures. When selecting a miniature fuse for your application, consider the GDG-V1/2 for its combination of time-delay performance, compact size, and soldered connection reliability. Its compliance with international standards (such as IEC 60127) ensures compatibility with a broad range of fuse holders and panels. For optimal performance, always verify that the fuse’s voltage and current ratings match your system requirements and install it in a location that allows for adequate heat dissipation. Mersen’s global support network and technical expertise provide additional assurance that you’re choosing a fuse backed by decades of industry leadership.
  • Voltage Rating: 250 VAC for broad compatibility
  • Current Rating: 0.5 A for low-power circuit protection
  • Time-Delay Design: Handles temporary overloads without nuisance tripping
  • Glass Body: 5x20mm size with robust mechanical strength and visual status indication
  • Soldered Connections: Secure, low-resistance electrical bonds for reliable performance
  • Axial Leads: 1-1/2" length for easy PCB or chassis mounting
  • Industry-Standard Compliance: Meets IEC 60127 for global compatibility
  • Manufacturer: Mersen, a trusted leader in electrical protection solutions

Specifications

AC Voltage Rating
250 V
Amperage Rating
0.5 A
Application
Electronic circuits
Brand Name
Mersen
Case
Glass
Case Material
Glass
Class
Supplemental
Connection
Soldered connection
Connection Type
Soldered
Current Rating
0.5 A
Material
Glass
Mounting
Surface
Series
GDG-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
Special Features
Glass body Time-delay 5 mm x 20 mm 1-1/2" Axial leads
Standard
1/16A through 10A, 250VAC, UL & CSA Recognized 1/16A through 6-3/10A, 250VAC, SEMKO Approved 1/16A through 6-3/10A, 250VAC, VDE Approved IEC 127-2 Standard Sheet 3
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
Miniature fuse GGC-V - Fast-Acting 250VAC 0.5A Size 6,3x32 Soldered connection

GGC-V1/2

Miniature fuse GGC-V - Fast-Acting 250VAC 0.5A Size 6,3x32 Soldered connection
SLO-BLO GLASS INDICA H-PACK .500A. The 3AG Slo-Blo® fuse solves a broad range of application requirements while offering reliable performance and costeffective circuit protection. Features: 313 and 315 series fuses have time-delayed in the overload range, which provides superior protection inductive loads such as motors, transformers, and solenoids. 3AG indicating fuses instantly identify themselves upon opening by showing a discoloration of their glass bodies. Guesswork and time-consuming circuit testing is eliminated. This unique design offers the same quality performance characteristics as the standard 3AG fuse design.

0313.500HXIDP

SLO-BLO GLASS INDICA H-PACK .500A. The 3AG Slo-Blo® fuse solves a broad range of application requirements while offering reliable performance and costeffective circuit protection. Features: 313 and 315 series fuses have time-delayed in the overload range, which provides superior protection inductive loads such as motors, transformers, and solenoids. 3AG indicating fuses instantly identify themselves upon opening by showing a discoloration of their glass bodies. Guesswork and time-consuming circuit testing is eliminated. This unique design offers the same quality performance characteristics as the standard 3AG fuse design.

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.