Power | Protect | Connect
Avnet Abacus is an authorised Bel distributor throughout Europe.
With more than 65 years in the electronics industry, Bel is a trusted name in providing highly engineered products that Power, Protect and Connect electronic circuits. Bel operates globally allowing technical team members the ability to be closer to customers when designing state of the art circuits, power supplies, interconnects and integrated magnetic modules. Providing solutions is Bel’s commitment to our customers, at any stage of the design process. Headquartered in Jersey City, NJ, Bel is a reliable partner to many original equipment manufacturers that span across networking, military & aerospace, telecommunications and industrial applications.
Learn more about the different brands of the Bel Group:
- Power Solutions
- Bel Power Solutions (AC-DC power supplies and DC-DC converters, integrated analog front end modules and custom designs)
- CUI Inc (AC-DC power supplies and DC-DC converters)
- Circuit Protection
- Bel Fuse-Circuit Protection (Automotive fuses, surface mount, radial lead fuses, resettable PTC, power fuses, and glass/ceramic tube fuses)
- Connectivity Solutions
- Cinch Connectivity Solutions (Coax, RF and Twinax/Triax Connectors, Fixed Length Cable Assemblies)
- Stewart Connector (Passive jacks, plugs and cable assemblies, modular plugs)
- Magnetic Solutions
- TRP Connector (Discrete components, power transformers and MagJack® connectors with integrated magnetics)
- Bel Magnetic Solutions (Linear magnetics, surface mount products, and high frequency magnetics)
- Transformers & Inductors
- Signal Transformer (custom design and manufacturing of linear transformers and SMD inductors)

IoT Beyond Connectivity
IoT Solutions for Industrial Automation, Medical and Smart Agriculture.
Learn MoreMedical solutions
Discover Bel's range of solutions for medical devices and equipment, designed to provide reliability and long life.
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Ask an expert
Have a question? Our regional technical specialists are on hand to help.
Documents
- Bel Fuse conflict minerals statement
- Application note - When is a fuse not a fuse (PDF)
- Non-magnetic connectors brochure (PDF)
- RF and microwave connectors and cable assemblies brochure (PDF)
- Whitepaper: The Need for High Frequency Connectors in 5G Communications
- Stewart Connector Focus Catalog (PDF)
- Stewart Connector SealJack™ Brochure (PDF)
- Application note - A case for category 8 copper connectivity (PDF)
- Bel Broadcom ICM Ethernet product selection guide
- Signal Transformer RoHS Declaration
Bel Magnetic Solutions
Industrial Ethernet MagJack® ICMs
Bel's MagJack® ICMs are specifically designed for industrial ethernet applications to satisfy the growing demand for integrated connectors used in operating robots and machines, on the factory floor.

- Power Solutions
- Circuit Protection
- Connectivity Solutions
- Magnetic Solutions
- Transformers & Inductors
Bel Power SolutionsBel Power Solutions offers world-class AC-DC and DC-DC power conversion products, value-add solutions, complete box-build solutions and contract manufacturing services, along with a complete portfolio of Electronic Circuit Protection devices and a full suite of Open Compute Project (OCP) power shelves and power modules designed to address the power conversion needs for any OCP data center platform, including power shelves with built-in controllers for communicating with the datacenter control and monitoring network, single or triple output busbars, configuration for 3+3 or 5+1 supply redundancy, and dual inputs in a 1 OU OCP compatible space. Bel is also a market leader in railway with Melcher™ brand products and technology leaders in the development of high-efficiency and high-power density front-end products. Our power conversion devices cover the full spectrum from board-mount power to system-level architectures for servers, storage, networking, industrial, datacom, telecommunications, harsh environment, HEV (hybrid and electric vehicle) and railway industries. |
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CUI IncCUI, a Bel brand, began designing and selling power supplies in response to changing customer requirements. Today, CUI is proud to offer an extensive portfolio of AC-DC power suppliers and DC-DC converters to customers serving the consumer, IoT, industrial and medical industries. With a focus on supporting engineers’ varied requirements, CUI knows the important role power plays in a design and works to improve the experience of the design engineer by providing the newest power supply products that meet global regulations, product data and resources, or cost-effective options. |
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Bel Fuse-Circuit ProtectionBel Fuse-Circuit Protection offers a broad range of PCB Mount, Surface Mount and PTC resettable fuses. PCB Mount products include radial, standard glass and ceramic cartridge fuses. The company has been at the forefront of the industry’s shift to surface mount fuse designs, such as brick and chip fuses, that incorporate the need for small, compact technology. Bel Fuse-Circuit Protection also offers a complete product offering of PTC resettable fuses in both surface mount and radial styles. Fuse products are certified by many 3rd party agencies to varied performance standards. The certification marks are obtained through agencies such as UL, CSA, PSE, CCC, VDE and Semko. The fuse and PTC resettable products are all RoHS 2 compliant. Products: |
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Cinch Connectivity SolutionsCinch Connectivity Solutions is a vertically integrated supplier of high quality, high performance connectors and cable assemblies. Their product lines deliver custom engineered solutions to satisfy the most demanding and complex requirements. Cinch Connectivity’s products support aerospace, military, wireless communications, data networking, telecommunications, test/measurement, broadcast, medical, oil/gas and other harsh environment applications. For over 100 years, they have aimed to exceed our customers’ expectations by continually providing innovative solutions to the rapidly changing needs of the markets and customers they serve. |
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Stewart ConnectorStewart Connector’s portfolio of products features one of the broadest ranges of data communications connectivity. Our interconnect products include RJ45 plugs and jacks, USB connectors and cables, and SFP+ connector cages that provide connectivity in networking equipment. RJ45 modular plugs and jacks are utilized within the structured cabling system, known as premise wiring to support TIA Category 5E, 6, and 6A connectivity standards. Stewart Connector’s products are designed to be compliant with the most current industry standards including 1G, 2.5G, 5G, and 10G Ethernet communications as well as POE. Connectivity options are available for IP rated harsh environment applications. |
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Bel Magnetic SolutionsBel Magnetic Solutions offers an extensive line of Integrated Connector Modules (ICM), where the Ethernet magnetics solution is integrated into a connector package. The ICM product line covers every Ethernet application in the market today. Its products include one of the broadest ranges of magnetic-based solutions for high-speed networking and computer applications. ICMs cover a range of Ethernet speeds and technologies from 10/100Base-T, 1GBase-T, 10GBase-T and Power over Ethernet (PoE). |
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TRP ConnectorTRP Connector was established to take over the management of Bel’s acquisition of TE Connectivity’s wire wound magnetics product group (formerly Transpower Technologies). The acquisition included Integrated Connector Modules (ICM) and a license to produce TE’s planar magnetics products. The product portfolio includes discrete magnetic solutions, but is primarily focused on Integrated Connector Modules (ICM), where the Ethernet magnetics solution is integrated into a connector package. Products: |
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Signal TransformerSignal, a Bel brand, provides and extensive array of Magnetic components tailored to meet diverse industrial needs. The Signal product line encompasses Transformers, Inductors, Chokes & Coils providing versatility and performance. Explore our comprehensive selection, featuring Common Mode Chokes, SMD Inductors, Through Hole Inductors, Ferrite Beads, Linear Chokes, Rectifiers, as well as specialized offerings like 1 or 3 Phase Transformers, POE Transformers, Step Up/Step Down Transformers, SMPS Transformers, and Current Sense Transformers. You can rely on our skilled engineering and manufacturing teams to provide Custom variations that are modified specifically to meet customer's requirements. |
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