Authorized Mersen Distributor
Mersen GSF-V8 - Miniature fuse GSF-V - Time-Delay 250VAC 8A Size 5x20 Soldered connection
More images

Mersen GSF-V8 Miniature fuse GSF-V - Time-Delay 250VAC 8A Size 5x20 Soldered connection

Alternate Item Number: GSF-V8

UPC: 782001245290


Documents & Media
Line DrawingSpecification 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 GSF-V8 miniature fuse (SKU: GSF-V8) is a 5x20mm time-delay ceramic fuse rated for 250VAC and 8A. Designed for semiconductor and control circuit protection, it features medium time-lag characteristics to handle transient surges and inrush currents without nuisance tripping. The ceramic body ensures thermal stability and arc resistance in harsh environments. With axial leads for direct soldering to PCBs or insertion into fuse holders, the GSF-V8 is optimized for space-constrained installations in telecommunications, industrial automation, motor control, and renewable energy systems. Available in bulk packaging (50pcs), this fuse meets 125V-250V application requirements with a compact footprint. Mersen’s 5x20mm series includes SA/SB speed characteristics for medium time-lag performance, ensuring reliable protection for sensitive electronics and inductive loads.
  • Rated 250VAC, 8A with medium time-lag (SA/SB) characteristics
  • 5x20mm ceramic body for thermal stability and arc resistance
  • Axial leads for direct soldering to PCBs or fuse holder compatibility
  • Bulk packaging: 50pcs per box
  • Designed for semiconductor protection and transient current handling

Specifications

AC Voltage Rating
250 V
Amperage Rating
8 A
Application
Electronic circuits
Brand Name
Mersen
Case
Ceramic
Case Material
Ceramic
Class
Supplemental
Connection
Soldered connection
Connection Type
Soldered
Current Rating
8 A
Material
Ceramic
Mounting
Surface
Mounting Type
Axial Leads
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 GSD-V - Fast-Acting 250VAC 8A Size 5x20 Soldered connection

GSD-V8

Miniature fuse GSD-V - Fast-Acting 250VAC 8A Size 5x20 Soldered connection
FUSE 250V FA 3AB PB-FREE M-PACK 5A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: Designed to meet UL248-14. RoHS Compliant and Lead-Free. Available in cartridge type only.

0332005.MXP

FUSE 250V FA 3AB PB-FREE M-PACK 5A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: Designed to meet UL248-14. RoHS Compliant and Lead-Free. Available in cartridge type only.
Miniature fuse GSF-V - Time-Delay 250VAC 6.3A Size 5x20 Soldered connection

GSF-V6-3/10

Miniature fuse GSF-V - Time-Delay 250VAC 6.3A Size 5x20 Soldered connection
Miniature fuse STG - Time-Delay 350VAC 2A

STG2

Miniature fuse STG - Time-Delay 350VAC 2A
Miniature fuse STG - Time-Delay 350VAC 3.5A

STG3-1/2

Miniature fuse STG - Time-Delay 350VAC 3.5A
Miniature fuse STG-V - Time-Delay 350VAC 0.5A

STG-V1/2

Miniature fuse STG-V - Time-Delay 350VAC 0.5A
Miniature fuse STG - Time-Delay 350VAC 0.8A

STG8/10

Miniature fuse STG - Time-Delay 350VAC 0.8A
Miniature fuse STG - Time-Delay 350VAC 0.5A

STG1/2

Miniature fuse STG - Time-Delay 350VAC 0.5A

Frequently Asked Questions

What are the available ampere ratings for the GSF-V8 fuse?

The GSF-V8 fuse is available in an 8A ampere rating.

What is the voltage rating for the GSF-V8 fuse?

The GSF-V8 fuse has a voltage rating of 250V.

What is the interrupting rating (I.R.) for the GSF-V8 fuse?

The interrupting rating (I.R.) for the GSF-V8 fuse is 1.

What type of fuse construction does the GSF-V8 have?

The GSF-V8 features a ceramic body and axial leads.

What is the time-delay characteristic of the GSF-V8 fuse?

The GSF-V8 fuse is a time-delay type.

What are the physical dimensions of the GSF-V8 fuse?

The GSF-V8 fuse has dimensions of 5 x 20 mm and a GSF-V: 1-1/2" axial lead length.

Which standards does the GSF-V8 fuse comply with?

The GSF-V8 fuse complies with IEC-127-2 Standard Sheet 5.

What agency approvals does the GSF-V8 fuse hold?

The GSF-V8 fuse is UL and CSA Recognized.

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.