- 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 (169)

Harsh-Environment M12 Circular Connectors - SS-12000 Series

Stewart Connector’s SS-12000 series of M12 circular connectors are waterproof rated to IP67. Learn More

SMP Terminations

Cinch’s Midwest Microwave SMP terminations with interface per MIL-STD-348A complement a variety of Johnson’s SMP connectors. Learn More

SMT 0603 Size PPTC Resettable Fuses - 0ZCM Series

Bel Fuse grows its PPTC portfolio with the SMD 0603 package size 0ZCM series resettable fuses that meet Bel's auto qualification test plan for AEC-Q compliance. Learn More

RJ45 Press-Fit Modular Connectors - SS-74810 Series

Stewart Connector’s SS-74810 series of RJ45 press-fit modular connectors can achieve 1G through 2.5G Base-T Ethernet speeds. Learn More

ABE1000/MBE1000 Series Power Supplies

Bel Power Solutions' ABE1000 and MBE1000 Series AC-DC power supplies for medical and industrial applications provide up to 1200 W. Learn More

ACC600 and MCC600 Series Open Frame Power Supplies

Bel Power Solutions' ACC600 series and MCC600 series of convection-cooled open frame power supplies are ideal for industrial and medical applications. 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 (29)

5G Connectivity Solutions

Through Cinch Connectivity Solutions' Johnson, Trompeter, Semflex, and Midwest Microwave product lines, we help to enable 5G with high-performance connectivity solutions that carry signals between the antennas, switches, and backhaul.

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.

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