- 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

Image of Bel Fuse MagJack Integrated Connector Modules

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 (155)

140/141/142 Series Barrier Blocks Publish Date: 2010-10-01

Cinch Connectivity Solutions Barrier Blocks are designed to simplify wiring work by reducing splicing, preventing current leaks and short circuits, and increasing insulation. Order now at DigiKey.

LGA C Series Power Supplies Publish Date: 2010-10-18

Cinch Connectivity Solutions' LGA C series power suppliers for space sensitive applications.

FNP1500 FNP1800 Series Converters Publish Date: 2010-11-11

FNP1500 and FNP1800 converters from Bel Power Solutions provide 12 VDC and 48 VDC output.

SS-39200 Series CAT6a Shielded Plugs Publish Date: 2012-06-29

The SS-39200 plugs from Stewart Connector offer robust shield terminations and strain relief which allow for a one-step termination process.

SMM Series 3812 Size SMD Fuses Publish Date: 2012-06-29

Square ceramic surface-mountable SMM series of 3812 size medium-blow fuses for overcurrent protection in compact, high-current applications.

Ethernet Connectivity Portfolio Publish Date: 2012-06-29

The Ethernet connectivity portfolio includes passive jacks, plugs and cable assemblies such as MagJack, stack jacks, and modular plugs.

Tools and Support

Image of Cinch's Type N Connectors

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)

MagJack® Integrated Magnetics Modular Jacks Publish Date: 2011-10-18

The MagJack family of highly integrated Ethernet connector modules offer design flexibility, RoHS compatibility, reliability, and manufacturing testing methods.

Duration: 15 minutes
Modular Jack EPP-918A Environmental Protection Gel Publish Date: 2011-10-18

EPP-918A Compound helps prevent corrosion due to harsh environments and usage, is RoHS6 compliant, and contains a UV tracer to assist in visual inspection.

Duration: 5 minutes
ARJ45 Category 7a Modular Connector System Publish Date: 2011-10-18

The ARJ45 connector system was designed for high performance Category 7a and Class Fa systems.

Duration: 10 minutes
SMA HF End Launch Publish Date: 2011-10-27

Designed for an OEM in the late 1980's, improvements have been made on the clamp types being used in the industry.

Duration: 5 minutes

Featured Videos View All (27)

Power-One SSQE Product Family

Power-One, Inc. introduces the SSQE48T07120 DC-DC Converter, an ideal DPA or IBA power source for communications, data server/storage, and workstation applications with efficiencies up to 93%.

Bel Fuse 0697H Fuses Product Overview | Digi-Key Daily

Bel Fuse's 0697H series of slow blow fuses are rated up to 350 volts AC or 100 volts DC and current surges from 250 mA up to 20 A.

Signal Transformer Company Overview

An overview of Signal Transformer products and what they can do for the customer, big or small.

Stewart Connector Specialty Cable Modular Plugs | Digi-Key Daily

Stewart Connector's modular plugs for specialty cable ensure high performance up to 750 operating cycles in temperatures ranging from -40-80 degrees Celsius.

Manufacturer Web site