Mersen GSF-V1/4 - Miniature fuse GSF-V - Time-Delay 250VAC 0.25A Size 5x20 Soldered connection
Mersen

GSF-V1/4

Alternate Item Number: GSF-V1/4

UPC: 782001245146

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Overview

The Mersen GSF-V1/4 is a high-quality miniature fuse designed for reliable overcurrent protection in a wide range of industrial and electronic applications. Engineered with a time-delay characteristic, this fuse offers enhanced performance by allowing for temporary inrush currents without nuisance tripping, while still providing rapid interruption of sustained overloads and short circuits. This makes it an ideal choice for circuits that experience brief, high current demands during startup or operation, such as those found in power supplies, motor controls, and lighting systems. Constructed with a durable ceramic body, the GSF-V1/4 fuse ensures robust performance and excellent thermal stability, even under demanding operating conditions. The 5x20mm standard size makes it compatible with a vast array of fuse holders and equipment, facilitating easy integration into existing designs or new projects. The soldered connection ensures a secure and reliable electrical interface, minimizing the risk of connection failures that could compromise circuit integrity. As a product from Mersen, a globally recognized leader in electrical protection, the GSF-V1/4 benefits from decades of expertise in fuse technology. Mersen fuses are synonymous with quality, consistency, and adherence to stringent international safety standards, providing engineers and technicians with the confidence that their critical equipment is adequately protected. The time-delay feature is particularly valuable in applications where components might experience momentary current surges, preventing unnecessary downtime and maintenance. Key features of the Mersen GSF-V1/4 include: * **Time-Delay Operation:** Effectively handles inrush currents while protecting against sustained overloads. * **250VAC Voltage Rating:** Suitable for a broad spectrum of low-voltage AC power applications. * **0.25A Current Rating:** Precisely protects circuits requiring a low current threshold for interruption. * **5x20mm Standard Size:** Ensures broad compatibility with standard fuse holders and equipment. * **Ceramic Body Construction:** Provides excellent thermal management and mechanical durability. * **Soldered Connection:** Guarantees a secure and reliable electrical connection. This fuse is an essential component for ensuring the longevity and safe operation of sensitive electronic devices and industrial machinery. Its reliable performance and adherence to high manufacturing standards make the Mersen GSF-V1/4 a preferred choice for professionals seeking dependable circuit protection solutions. Whether used in consumer electronics, industrial automation, or specialized test equipment, this fuse delivers the critical protection needed to prevent damage and ensure operational continuity. The time-delay functionality is a significant advantage in preventing false trips, thereby improving system uptime and reducing maintenance costs associated with frequent fuse replacements. Its compact size and standard dimensions simplify inventory management and installation processes across various manufacturing and service environments.
  • Mersen GSF-V1/4 Miniature Fuse
  • Time-Delay Characteristic for Inrush Current Handling
  • 250VAC Voltage Rating
  • 0.25A Current Rating
  • 5x20mm Ceramic Body with Soldered Connection

Specifications

AC Voltage Rating
250 V
Amperage Rating
0.25 A
Application
Electronic circuits
Brand Name
Mersen
Case
Ceramic
Case Material
Ceramic
Class
Supplemental
Connection
Soldered connection
Connection Type
Soldered
Current Rating
0.25 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
Miniature fuse GSF-V - Time-Delay 250VAC 0.315A Size 5x20 Soldered connection

GSF-V315/1000

Miniature fuse GSF-V - Time-Delay 250VAC 0.315A Size 5x20 Soldered connection
FUSE 125V PICO II SB TERM ROHS .500A. The PICO® II Slo-Blo® Fuse combines time-delay performance characteristics with the proven reliability of a PICO® Fuse. Features: Enhanced inrush withstand. Small size. Wide range of current ratings (375mA - 7A). RoHS compliant. Wide operating temperature range. Low temperature de-rating.

473.500L

FUSE 125V PICO II SB TERM ROHS .500A. The PICO® II Slo-Blo® Fuse combines time-delay performance characteristics with the proven reliability of a PICO® Fuse. Features: Enhanced inrush withstand. Small size. Wide range of current ratings (375mA - 7A). RoHS compliant. Wide operating temperature range. Low temperature de-rating.

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.