- Bel and its groups are primarily engaged in the design, manufacture and sale of products used in networking, telecommunications, high-speed data transmission, commercial aerospace, military, transportation, and consumer electronics. Products include magnetics (discrete components, power transformers and MagJack™ connectors with integrated magnetics), modules (DC-DC converters and AC-DC power supplies, integrated analog front-end modules and custom designs), circuit protection (miniature, micro, surface-mount and PPTC resettable fuses) and interconnect devices (micro, circular and filtered D-Sub connectors, fiber optic connectors, passive jacks, plugs, radio frequency (RF), microwave connectors and high-speed cable assemblies). The company operates facilities around the world. Related product brands include: Bel Fuse, Bel Power Solutions, Cinch Connectivity Solutions, Signal Transformer, Stewart Connector, TRP Connector.

Power Solutions

Bel Power Solutions

Bel has one of the world’s largest power conversion and power management solutions portfolio for AC/DC & DC/DC applications. Learn More

Protection Solutions

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The Bel circuit protection portfolio includes one of the broadest ranges of circuit protection products on the market today. Learn More

Connectivity Solutions

Bel Connectivity Solutions

Bel’s Connectivity brands offer a diverse line of high quality, high performance connectors, and cable assemblies. Learn More

Product Listing View All

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Featured Products

High Frequency SMA End Launch Connectors

High Frequency SMA End Launch Connectors

Cinch Connectivity Solutions' high frequency end launch connectors are used to transition microwave energy from coaxial to planar transmission line structures. Learn More

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MagJack Integrated Connector Modules

Bel Fuse's MagJack® integrated connector module (ICM) product-line is Bel Fuse and Stewart’s premier family of products for Ethernet networking applications, ranging from 10/100 BaseT to 10 GBaseT, to PoE(plus). Learn More

Newest Products View All (161)

1206 High Inrush Fast-Acting SMD Fuse – 0685P Series

Bel Fuse's fast-acting fuse features improved surge withstand performance with broad amperage range from 2 A through 50 A in a small 1206 package size. Learn More

Ethernet MagJack® 2 x1 1GBase-T 30 W and 60 W PoE ICMs

Bel’s PoE ICMs combine two RJ45 Ethernet ports with the PoE-enabled magnetics into one robust, small form factor. Learn More

Component Compliant to TIA Standard Patch Cords

Bel Inc.'s component compliant to TIA standard CAT5e and CAT6 patch cords are designed with slimline strain relief and support PoE applications. Learn More

Gigabit MagJack® Two-Port 100 W Modular Connector

Bel Magnetic Solutions’ 100 W products are ideal for LED lighting applications at both the switch side and lighting ballast side. Learn More

MIL-STD-1553 Twinax Cable Assemblies

Cinch Connectivity Solutions’ 21-14 and 21-17 series MIL-STD-1553 Twinax cable assemblies are terminated with TRB and TRS connector configurations. Learn More

Ethernet Industrial Environment IP20 Rated Modular Plugs

Stewart Connector's Ethernet industrial environment IP20 rated modular plugs support 1000Base-T, 10GBase-T, and PoE in industrial environments. Learn More

Tools and Support

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Type N Connectors

Johnson® Type N Connectors meet or exceed the performance requirements of MIL-PRF-39012. All designs are based on 50 ohm system impedance per MIL-STD-348, and operate at frequencies up to 11 GHz minimum. Learn More

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C-RJFTV Series

Bringing the combined technical expertise and engineering capabilities of Cinch’s rugged D38999 shell and Stewart’s high performance RJ45, the RJ45 D38999 provides Ethernet connectivity in harsh environments. Learn More

Image Bel Fuse's Circuit Protection Focus Catalog

Circuit Protection Focus Catalog

Provides overview of Bel Fuse Circuit Protection Portfolio. Learn More

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Linear Transformer At-A-Glance

Provides overview of Signal Linear Transformer Portfolio. Learn More

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Open-Frame Product Selection Guide

An overview of Bel Power Solutions newest Open-Frame power solutions. Learn More

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Product Highlights

A general overview of the intelligent, efficient and reliable power conversion devices provided by Bel Power Solutions. Learn More

Recent PTMs View All (14)

Surface Mount Inductors (SMD) for Lighting Publish Date: 2018-10-10

An introduction to Signal's line of SMD Inductors for Lighting, including an overview of applications and markets, as well as safety and technology features incorporated into the series.

Duration: 5 minutes
EcoTran Standard Series Transformers Publish Date: 2018-07-10

This presentation will provide an introduction to Signal's line of EcoTran Standard Series Transformers.

Duration: 10 minutes
DIN Rail AC-DC and DC-DC Power Supplies Publish Date: 2017-08-24

DIN Rail power supplies are commonly specified for industry equipment, test and measurement equipment, wireless communications, renewable energy, instrumentation, robotics and automation applications.

Duration: 10 minutes
Railway and Harsh Environment Products Publish Date: 2017-07-27

MELCHER products are designed to meet the highest national and international standards for harsh environments

Duration: 10 minutes

Featured Videos View All (28)

Cinch Dura-Con Micro-D Connectors | Digi-Key Daily

Cinch Dura-Con micro-D connectors are designed for applications that require a rugged, durable, and high-performance interconnect.

Bel Power Solutions DC-DC Railway Solutions for Rolling Stock & Trackside Applications

Electronics in rail applications have to reliably endure some of the harshest operating environments: wide temperature swings, extreme shock and vibration, high humidity and exposure to pollution and salt mist.

Bel Power Solutions eMobility Product Family Overview

Bel Power Solutions eMobility product family includes power conversion products for eMobility and hybrid and electric vehicle applications.

Cinch Connectivity Johnson 5G Connectors and Adapters | Digi-Key Daily

Cinch Connectivity Johnson’s SMA, SMP, SMPM, 1.85 mm, 2.4 mm, and 2.92 mm series are all designed to meet 5G needs. Each series offers specific features for RF and microwave connectivity solutions.

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