Mersen GSF-V1 - Miniature fuse GSF-V - Time-Delay 250VAC 1A Size 5x20 Soldered connection
Mersen

GSF-V1

Alternate Item Number: GSF-V1

UPC: 782001245207

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Multiplier: 10

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Overview

The Mersen GSF-V1 miniature fuse (SKU: GSF-V1) is a critical component for safeguarding sensitive electronic circuits and equipment from overcurrent and short-circuit conditions. Engineered by Mersen, a globally recognized leader in electrical protection, this fuse offers reliable time-delay performance, ensuring that transient inrush currents do not unnecessarily trip the circuit while still providing robust protection against sustained overloads. Designed for a maximum voltage rating of 250VAC and a current rating of 1A, the GSF-V1 is ideal for a wide array of low-voltage applications. Its compact 5x20mm size makes it suitable for densely populated circuit boards and compact enclosures where space is at a premium. The ceramic body construction provides excellent dielectric strength and thermal resistance, contributing to the fuse's durability and operational integrity under demanding conditions. The soldered connection ensures a secure and permanent electrical interface, minimizing the risk of intermittent connections or failure. Time-delay fuses, also known as slow-blow fuses, are specifically designed to withstand temporary, harmless current surges that can occur during the startup of certain equipment, such as motors or transformers. This characteristic prevents nuisance tripping, thereby improving system uptime and reducing maintenance. However, they are still highly effective at interrupting fault currents that pose a genuine risk to the protected circuit. The GSF-V1's adherence to this time-delay characteristic makes it a preferred choice for applications where such inrush currents are common. Key specifications and features of the Mersen GSF-V1 include: * **Voltage Rating:** 250VAC - Suitable for a broad range of AC power systems. * **Current Rating:** 1A - Precisely calibrated for specific circuit protection needs. * **Fuse Size:** 5x20mm - Compact form factor for space-constrained designs. * **Construction:** Ceramic body - Offers superior thermal and dielectric properties. * **Connection Type:** Soldered - Ensures a permanent and reliable electrical connection. * **Performance:** Time-Delay - Accommodates inrush currents while protecting against overloads. This fuse is commonly found in industrial control panels, power supplies, consumer electronics, telecommunications equipment, and various other applications requiring dependable overcurrent protection. Professionals rely on Mersen products for their consistent quality and adherence to stringent industry standards. The GSF-V1, with its specific ratings and time-delay functionality, represents a cost-effective and reliable solution for protecting valuable electronic assets. Its straightforward installation, typically via soldering directly onto a PCB or within a compatible fuse holder, further enhances its utility in manufacturing and repair environments. Choosing the correct fuse rating and type, like the Mersen GSF-V1, is a fundamental aspect of electrical design and safety, ensuring the longevity and reliable operation of the equipment it protects.
  • Mersen GSF-V1 Miniature Fuse for reliable overcurrent protection.
  • Time-delay characteristic to prevent nuisance tripping from inrush currents.
  • Rated for 250VAC and 1A, suitable for various low-voltage applications.
  • Compact 5x20mm ceramic body for space-constrained designs.
  • Soldered connection ensures a secure and permanent electrical interface.

Specifications

AC Voltage Rating
250 V
Amperage Rating
1 A
Application
Electronic circuits
Brand Name
Mersen
Case
Ceramic
Case Material
Ceramic
Class
Supplemental
Connection
Soldered connection
Connection Type
Soldered
Current Rating
1 A
Material
Ceramic
Mounting
Surface
Series
GSF-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
Ceramic body Time-delay 5 mm x 20 mm 1-1/2" Axial leads
Standard
1/2A through 8/10A, 250VAC 1A through 6-3/10A, 250VAC, SEMKO, VDE Approved 1A through 10A, 250VAC, UL and CSA Recognized IEC-127-2 Standard Sheet 5
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.