Mersen SMG-V1/8 - 250VAC Fast Acting Glass 4.5mm x 14.5mm 350 Volts 0.125 Amps SMG-V series.
Mersen

SMG-V1/8

Alternate Item Number: 782001237578

UPC: 782001237578

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Multiplier: 10

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Overview

The Mersen SMG-V1/8 is a high-performance, fast-acting glass fuse engineered to provide precise and reliable overcurrent protection for a wide array of industrial and electronic applications. Manufactured by Mersen, a globally recognized leader in electrical protection and power management, this fuse (SKU: SMG-V1/8) exemplifies the brand's commitment to quality and safety. Designed with a voltage rating of 250 VAC and a precise current rating of 0.125 Amps, the SMG-V1/8 is specifically suited for circuits where sensitive components require rapid and effective protection against surges and faults. Its fast-acting characteristic means it interrupts the circuit almost instantaneously upon detecting an overcurrent condition, thereby minimizing potential damage to downstream equipment and preventing costly downtime. This responsiveness is crucial in applications such as power supplies, control systems, instrumentation, and telecommunications equipment, where even brief overcurrent events can have significant consequences. The physical dimensions of the Mersen SMG-V1/8 are a compact 4.5mm in diameter and 14.5mm in length. This small form factor makes it an ideal choice for densely populated circuit boards and compact enclosures where space is at a premium. Despite its small size, it delivers robust protection, a testament to Mersen's advanced fuse technology and manufacturing processes. The SMG-V series is known for its consistent performance and durability, ensuring that your critical systems remain protected under demanding operational conditions. Key features and benefits of the Mersen SMG-V1/8 include: * **Fast-Acting Protection:** Offers rapid response to overcurrents, safeguarding sensitive electronics. * **Precise Ratings:** 250 VAC voltage and 0.125 A current ratings ensure compatibility with specific circuit requirements. * **Compact Size:** 4.5mm x 14.5mm dimensions are perfect for space-constrained designs. * **Reliable Manufacturer:** Backed by Mersen's extensive expertise and reputation in fuse technology. * **Durable Construction:** Glass body construction provides clear visual indication of fuse status and robust protection. When selecting fuses for critical applications, professionals rely on manufacturers like Mersen for their unwavering dedication to product integrity and performance. The SMG-V1/8 is a prime example of this dedication, offering dependable circuit protection that meets stringent industry standards. Its UNSPSC code is 39121609, facilitating easy integration into procurement and inventory management systems. Trust the Mersen SMG-V1/8 to provide the essential overcurrent protection your valuable equipment demands, ensuring operational continuity and safety in any industrial or electronic environment.
  • Mersen SMG-V1/8 Fast Acting Glass Fuse
  • 250 VAC Voltage Rating
  • 0.125 Amp Current Rating
  • Compact 4.5mm x 14.5mm Size
  • Ideal for sensitive electronic and industrial applications

Specifications

Amperage Rating
0.125 A
Application
Electronic circuits
Brand Name
Ferraz Shawmut
Connection
Ferrule
Interrupt Rating
0.1 kA
Mounting
Clip
Special Features
Glass Body Fasting Acting 4.5 x 14.5mm 2AG SMG-V fuses have 1-1/2" wire lead each end.
Standard
1/10A & 3/8A, 250VAC UL Listed CSA Cert., 1/8A - 7A, 350VAC, UL/CSA Recognized 8A & 10A, 125VAC RoHS Compliant
Type
4.5 X 14.5 mm miniature fuses
Voltage Rating
350 VAC
Package Dimensions (L x W x H)
3.59 IN x 0.217 IN x 0.217 IN
Package Dimensions (L x W x H)
9.1186 cm x 5.5118 mm x 5.5118 mm
Package Weight (Imperial)
0.010 L
Package Weight (Metric)
0.005 kg
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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.
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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.