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Power Solutions

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

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Protection Solutions

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

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Connectivity Solutions

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

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Tools and Support

Featured Videos

SUOST Series High-Frequency Universal Line SMD Transformers from Signal Transformer PIO | DigiKey
SUOST Series High-Frequency Universal Line SMD Transformers from Signal Transformer PIO | DigiKey
Bel Solutions for Electric Vehicles
Bel Solutions for Electric Vehicles
Bel Fuse, Inc. Automotive & EV Fuses from Bel | Datasheet Preview
Bel Fuse, Inc. Automotive & EV Fuses from Bel | Datasheet Preview
Power 101: Versatility of USB Power Delivery Adapters
Power 101: Versatility of USB Power Delivery Adapters
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Product Training Modules

Image of Signal Transformer's Common Mode Chokes for Signal, Protocol Data Lines
5 minutes
Common Mode Chokes for Signal, Protocol Data Lines (SPDL)
Signal Transformer's SPDL series of compact SMT common mode chokes support the differential noise suppression requirements in a variety of applications.
Image of Signal Transformer's SPoE (Power Over Ethernet) Surface Mount Transformers
5 minutes
SPoE Power Over Ethernet Surface Mount Transformers
This presentation introduces Signal’s SPoE series of products, their functionality, and the various applications they can be used within.
Image of Signal Transformers Medical Safety Transformers for Power Isolation
10 minutes
Medical Safety Transformers for Power Isolation
This presentation will preview the products available from Signal Transformer and showcase how they are used in medical equipment.
Image of Signal's High Current Toroidal Inductor and High Current Toroidal Choke Design Kits
5 minutes
High Current Toroidal Inductor and High Current Toroidal Choke Design Kits
Signal's HCTC/HCTI high current toroidal inductor and choke design kit is an excellent resource in helping engineers streamline the selection and prototyping process.
Image of CUI Inc Preparing for IEC 62368-1 Implementation
5 minutes
Preparing for IEC 62368-1 Implementation
This presentation will provide background and basics of safety standard IEC 62368.
Image of CUI's Smaller and Lighter Power Supplies Using Gallium Nitride
5 minutes
Smaller and Lighter Power Supplies Using Gallium Nitride
This presentation will discuss information regarding what GaN technology is and the features it provides when used in power supplies.
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About Bel

Bel Fuse Inc. offers one of the industry's broadest portfolios of power solutions, spanning AC-DC and DC-DC converters, external power adapters, battery chargers, and power shelves and racks. Built through decades of innovation and strategic acquisitions, including Melcher™, CUI, and EOS Power, Bel's power portfolio is designed to serve the full spectrum of customer needs, whether the application calls for a compact board-mount converter or a ruggedized high-power platform. Bel's products carry global safety certifications and are engineered for the most demanding environments across the industrial, medical, railway, eMobility, telecom, networking and data center, and consumer and IoT markets. Founded in 1949, Bel has design and manufacturing operations across North America, Europe, and Asia, giving engineers worldwide access to reliable power solutions backed by responsive technical support.
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