Power Over Ethernet Explained: How PoE Powers Data and Devices

Learn how Power over Ethernet (PoE) enables seamless data and power delivery.

High-Power Charging Tech Shaping the Future of eMobility | Bel's Sustainable Solutions

This video on Bel's industrial EV power solutions explores how our durable, high-power components drive efficiency and reliability in heavy-duty electric vehicles and charging systems.

Exploring Bel's Innovations in Rail Technology

In this video on Bel's industry-leading railway components, learn how our power supplies, battery chargers, circuit protection, and rugged ICMs ensure safe, efficient, and reliable railway operations worldwide.

5 Critical Power Supply Challenges in Industrial Automation

Learn about common challenges faced by industrial automation systems and how the right power supply can help solve them

Power Supply Back Pressures in Applications

Ensure optimal PSU airflow and selection with Bel Power Solutions' strategies for effective power supply cooling.

3-Phase Transformers: Construction and Configurations

Explore 3-phase transformers and evaluate the pros and cons of the four primary winding configurations for ideal performance and application suitability.

Inductors, Chokes, Reactors, Filters . . . What’s in a Name?

Learn the differences between inductors, chokes, reactors, and filters., their electromagnetic characteristics, and how they can be used to optimize electrical circuits.

Power 101: Unlocking the Power of USB-C & Power Delivery

In the latest Power 101, Bruce Rose reveals why USB-C's popularity and versatility make it the future of USB connectivity.

Optimizing Input Filter Design for POL Buck Converters

Optimize on-board power systems with Intermediate Bus Architecture (IBA) and Point of Load (POL) converters.

IEC 60601: Understanding Medical Power Supply Safety

Learn about IEC 60601-1 standards for medical power supply safety, ensuring essential performance and patient protection.

Understanding USB Type-C and Power Delivery

Explore new USB-C regulations and Power Delivery standards. Learn essential design tips for USB-C.

What DoE Level VII Means for Power Supply Efficiency and Your Products

Selecting the Right Magnetics for Your ICM

Learn how selecting the right magnetics for your ICM helps ensure signal integrity, meeting EMI/EMC requirements in LAN systems.

The Difference Between Traditional and Resettable Fuses

Explore the key differences between traditional fuses and resettable PTC fuses, and how each type protects electronic circuits.

Make or Buy a Power Supply: Choosing Between Custom and Off-the-Shelf Solutions

The End of IEC 62368-1 Clause 4.1.1 and the Beginning of the 4th Edition

Assessing the Reliability of Redundant Power Supply Configurations

How Paralleling Power Supplies Affects Reliability

More Than EV Batteries: How Bi-Directional Charging Enables New Battery Applications

Learn how bidirectional chargers transform EVs into mobile energy sources, supporting smart grids, emergency power, and industrial applications.

CFO Farouq Tuweiq's Amplify Spotlight with NASDAQ

Watch Farouq Tuwieq, CFO, discuss Bel's 40-year NASDAQ listing history with Michael Spector in this Amplify Spotlight.

Selecting Power Supplies for Production in the Face of Supply Chain Challenges

Power 101: How GaN Increases Power Density

Discover the benefits of using GaN power transistors in power supplies.

80 PLUS: Why You Need Titanium Power Supplies in Your Data Center

Discover the benefits of selecting 80 plus certified power supplies, including cost, greater power efficiency and reliability, and meeting thermal constraints.

Understanding Power Supply Output Capacitance Limits

EN 50155: The Essential Standard for Power Supply Design in Railway Applications

Learn more about the EN 50155 standard, and the five areas that are crucial when designing power supplies for railway rolling applications.

Power 101: Benefits of Bi-Directional Charging for EVs

Bel's bi-directional chargers optimize energy storage and reliability, cutting costs and stabilizing the grid for a greener future.

Selecting an Aux Power Supply for EV Charging Stations

Learn how to optimize EV charging stations with the right auxiliary power supply.

A Closer Look: TET3600 Front End AC-DC Power Supply

Bel Power’s TET3600 power supplies provide 3600W output with 97% efficiency, ideal for servers, routers, and data centers.

Key Safety Considerations for Power Supplies Used in Home Healthcare Applications

Front-End Power Supplies for Custom Solutions & Applications

Learn how custom front-end power supplies can enhance power density and efficiency for specialized applications.

How USB Type-C Mandates Affect External Power Supplies

Power 101: The Versatility of USB Power Delivery Equipped Adapters

In this Power 101 video from CUI, we explain how USB Power Delivery (USB PD) works and its benefits and uses in relation to power adapters.

Selecting Output Capacitors for Power Supply Applications

The Basics of Power Supply Surge Protection

A Closer Look: MagJack® ICM Ethernet Magnetics

Bel MagJack ICMs address EMI, support 16 ports, 10Gbps, and 100W PoE, with engineering support for IEEE 802.3 and EMC compliance.

How to Change the Blade on a Slide Clip Multi-Blade Adapter

Learn how to change a blade on a slide clip universal wall plug power adapter.

How to Change the Blade on a Pinch Clip Multi-Blade Adapter

Learn how to change a pinch clip blade on a universal wall plug power adapter.

How to Change the Blade on a Hidden Clip Multi-Blade Adapter

Learn how to change a blade on a hidden clip wall plug power adapter.

EMI Filter Components: what they are and how they work

A Closer Look: LRSA Power Supply Systems for Rail Applications

Bel Power’s LRSA series AC-DC subrack provides 1500W for railways, ensuring reliability and maintenance-free operation.

How to Select a DC-DC Converter for Rail Applications

Fundamentals of Power Supply Over Current Protection

Power 101: Power Supply Considerations for Harsh Environments

Learn how to protect power supplies and their sensitive internal circuitry in order to ensure nominal operation without premature failures in the field.

A Closer Look: Front End Modified-Standard and Custom Design Capabilities

Bel's front-end power supplies provide top efficiency, power density, and custom modifications with robust testing.

A Closer Look: FLS and MFLS Series Power Supplies for ICT and Medical Applications

Bel Power's EOS FLS and MFLS series provide compact, efficient power for ITE/Medical use, with 250-400 W output and robust thermal protection.

How Switch Mode Power Supplies Work, Block by Block

Auxiliary Power Solutions for EV Chargers

Learn about EV power requirements and charger considerations.

Telehealth: Keeping it Safe

Learn more about what defines home healthcare equipment and relevant safety standards.

How to Select an AC-DC Power Supply

Powering the Smart Revolution at 277 Vac: Enabling New Applications with Wide Input Power Supplies

Power 101: IEC 62368-1 Explained

Learn more about what's changed with the implementation of IEC 62368-1 safety standard, which functions off the new Hazard-Based Safety Engineering (HBSE) principle.

How Does IEC 61558 Affect Designing with Transformers and Power Supplies?

A Closer Look: Bel Solutions for Electric Vehicles

Bel supports EV/eMobility with efficient, durable power solutions, including converters, chargers, inverters, and custom options.

How to Select a DC-DC Converter

A Closer Look: Bel Solutions for Medical Applications

Bel provides IEC 60601-1 certified power supplies, isolation transformers, fuses, and IP67 connectors for medical devices.

Understanding IEC Overvoltage Categories

Negative Resistance and Why Your DC-DC Converter May Not Be Working Properly

Power 101: IEC 60335-1 Explained

Learn more about IEC 60335-1, the safety standard for household appliances, and how it differs from IEC 60950-1.

External Power Supply Efficiency Regulations Outside the US and EU

Internal vs External: Selecting a Power Supply for Your Next Design

Many power designs offer the option between external and internal power supplies, depending on the physical configuration of the system. Dive into the pros and cons of using integrated versus modular power supplies in your system in this training module.

Customizable Power Adapters: More Than Just a Black Box

Dive into the various branding, mechanical, electrical modifications, and regulatory assistance options available when tailoring an external power supply with CUI to meet your needs.

Preparing for IEC 62368-1 Implementation

Discover IEC 62368-1, an important step that combines and replaces the long-standing IEC 60950 (ITE applications) and IEC 60065 (AV applications) standards.

How Gallium Nitride (GaN) Enables Smaller, More Efficient Power Supplies

Learn how GaN enables smaller transformers, inductors, and capacitors, resulting in increased power density.

Signal Transformer HCTC Series High Current Toroidal Chokes

High Current Toroidal Chokes and the Inductor HCTC-HCTI Kit by Signal Transformer streamlines the design selection process.

Selecting Appropriate Input and Output Plugs for Your Power Adapter

A Comparison Between Dc Switching Regulators and Linear Regulators

Reducing Supply Rail Common Mode Noise in Audio Applications

The UKCA Mark - Selling Into the UK After Brexit

A Comparison Between Dc Switching Regulators & Linear Regulators

In many applications, a regulator is used to convert and stabilize the system’s input voltage. Two common options are dc switching regulators and linear regulators. In this CUI In The Lab video, Ron Stull demonstrates the key differences and benefits of each.

160 Watt GaN Desktop Adapter - Portable Power

Discover CUI's SDI160G series and the notable benefits that GaN offers over traditional silicon-based transistors.

How to Measure Ripple & Noise in Power Supplies

Learn how to conduct ripple and noise measurements along with proper probing techniques with CUI’s Product Marketing Engineer, Ron Stull.

The Benefits of GaN Power Adapters

There are several advantages of using GaN transistors over silicon-based transistors including compact size, lighter weight, and higher efficiency. In this video, we showcase these key advantages with CUI's SDI200G GaN powered adapter.

The Fundamentals of Regulatory Considerations for Power Supplies

The Fundamentals of Trimming the Output Voltage of a Power Supply

What are the Differences Between IEC Power Supply Protection Classes?

IEC 60601-1 Medical Design Standards for Power Supplies

Learn what IEC 60601-1 means for medical power supplies.

EMI Considerations for Switching Power Supplies

Discover EMI standards and mitigation methods for switching power supplies.

Power Factor and Power Factor Correction

Learn what power factor is and how it relates to switching power supplies.

Current Sharing with Power Supplies

Consider parallel configuration of your power supplies to share load current.

Reliability Considerations for Power Supplies

Discover what reliability looks like for your power application and how to optimize it.

Design Considerations for Thermal Management of Power Supplies

Improve thermal management in your power application with these approaches.

Ecodesign 2019/1782 – The Latest EU Efficiency Regulations and How We Got Here

Module or Discrete Power? An Age-Old Question with an Evolving Answer

Discover the pros and cons of pre-designed power module vs a custom solution.

Signal Transformer Lighting Products Overview

Discover Signal's wide range of transformers and inductors for lighting applications. With both standard and custom options, Signal enables designers to deliver high performance, efficient and reliable LED lighting solutions.

Glossary of Power Supply Terms

Reference this handy glossary for definitions of key terms and concepts in the field of power electronics.

Connecting Power Supplies in Parallel or Series for Increased Output Power

The Latest on IEC 62368-1: The Time to Act Is Now

IEC 60335-1 Explained: Safety Standards for Household Appliances

Signal Transformer HCTC Chokes and HCTI Inductors

Discover Signal’s HCTC and HCTI series of high current toroidal chokes and inductors, designed for use in switch-mode power supplies, DC-DC converters, and EV charging circuits.

USB Type-C, Power Delivery and Programmable Power Supply

Power Supplies with Enhanced Peak Power Capability

6 Key Considerations for Selecting an External Power Supply

Efficiency Standards for External Power Supplies

Learn about the regulatory environment surrounding external power supplies and CUI's commitment to ensuring their portfolio of adapters complies.

Designing with Multiple Output Power Supplies

How to Change a Blade on a Universal Wall Plug Adapter

Learn how to change a blade on a universal wall plug power adapter.

Insulation Isolation and Working Voltage

What is the Difference Between Unregulated and Regulated Power Supplies?

What is the Difference Between EMI and EMC in Power Supplies?

How Gallium Nitride (GaN) Enables Smaller, More Efficient Power Supplies

Troubleshooting DC-DC Oscillations During Surge Testing

Discover how addressing DC-DC oscillations during surge testing can prevent start-up failures and reduce equipment damage.

Selecting AC-DC PSU Supply for High Performance Applications

Explore selecting AC-DC power supplies for high-performance applications and the key factors to consider.

Power Supply Safety Standards, Agencies, and Marks

Reference this handy guide to learn more about power supply safeties worldwide.

Power Supply Cooling

Discover power supply cooling methods for optimal performance.

In-House Certification Laboratory

Discover our unique, in-house testing laboratory, eliminating delays in the certification process.

EMI Solutions for External Power Supplies

Isolated vs Non-Isolated Power Converters

How Isolation Transformers Increase Safety in Electronic Systems

Optimize safety with isolation transformers. Explore compliance, benefits in switching power supplies, and strategic selection insights.

Understanding Power Supply Derating Curves

A Closer Look: Bel Magnetic Solutions MagJack® Integrated Connector Modules

Bel and TRP ICMs support 10/100 Base-T to 10GBase-T and 100W PoE, meeting bandwidth demands with MagJack® ICMs.

A Closer Look: Bel Power Solutions Melcher RCM Series Chassis Mount Converters

Bel’s Melcher™ RCM DC-DC converters provide reliable railway power from 60W to 1000W with wide input voltage ranges.

How to Measure Ripple and Transient in Power Supplies

IEC 60601-1-2 4th Edition: What You Need to Know

Consequences of Exceeding a Power Supply’s Operating Temperature Range

UL Class 2 and 3 vs. IEC Class I, II, and III

Explore the differences between UL Class 2 and 3, and IEC Class I, II, and III.

Controlling EMI in Power Transformers

Control EMI in Power Transformers with essential design solutions to prevent device failure and interference.

Transformer Insulation Fundamentals

Learn how insulation systems manage transformer temperature and ensure reliability

Selecting Surface Mount Inductors For DC to DC Converter Applications

Get the most from your DC to DC Converters with our guide to selecting the right surface mount inductors.

How Multi-rate Ethernet Enables Higher Speeds at Lower Cost

Learn how multi-rate Ethernet enables higher speeds at lower costs, optimizing performance for modern networking needs.

Transformer Basics: Insulation Systems and Material Choices

Learn the transformer basics, including insulation, coil winding, and EI vs. toroidal core advantages.

Ethernet Invades the Industrial Space

Discover how Ethernet is revolutionizing industrial spaces with high-speed, reliable, and robust connectivity solutions.

What Are the Drawbacks of Exceeding a Power Supply's Output Current?

What Issues Can Arise When Exceeding a Power Supply's Input Voltage?

IEC 62368-1: An Introduction to the New Safety Standard for ICT and AV Equipment

Learn what IEC 62368-1 means for ICT and AV equipment.

A Closer Look: Bel Power Solutions eMobility Product Family Overview

Bel’s eMobility products include IP67 inverters, converters, and chargers, with custom solutions for hybrid and electric vehicles.

An Overview of Limited Power Source (LPS) Requirements

What is the Difference Between UL Listed and UL Recognized?

Why is Power Factor Important When Measuring Efficiency?

Signal Transformer EcoTran Standard Series Transformer Product Overview

Signal Transformer's EcoTran Standard Series Transformers utilize split bobbin construction that provides superior isolation with no exposed metallic surfaces.

Optimizing Reliability of Secured Magnet Wire in Ethernet ICMs

Boost Ethernet ICM reliability with Bel Fuse's spot-welding process, enhancing efficiency and quality.

CoC Tier 2 Did Not Become Law in Europe as Expected – Now What?

Signal Transformer High Current Toroidal Inductors (HCTI)

High Current Toroidal Inductors (HCTI) are vertical PCB mounted, high-frequency magnetics with a broad inductance and current range.

Signal Transformer Company Overview

Since 1959, Signal Transformer has been known as the world’s leader of wire wound magnetic solutions, and has over 50 years of experience manufacturing transformers, chokes, inductors and custom or modified standard products.

A Closer Look: Bel Solutions for Data Centers & High Performance Computing

Explore comprehensive data center solutions with Bel’s power shelves, PSUs, AC/DC PDUs, system controllers, and cable harnesses.

The Language of Noise: Power System Design and EMI

Learn about electromagnetic noise origins, effects, and essential management strategies in electronic design.

Selecting Ruggedized Power Converters for Rolling Stock Applications

Choosing ruggedized power converters for rolling stock ensures reliability in harsh rail environments, meeting EN 50155 standards.

Applying OCP Rack & Power Specs to New & Existing Data Centers

Learn how applying Open Compute Project (OCP) rack and power specifications can enhance efficiency in new and existing data centers.

The Importance of EMC Testing Early in Your Product's Design

A Closer Look at MTBF, Reliability, and Life Expectancy

What's the Difference Between Class 2 and Class II Power Supplies?

The Game of Energy Efficiency Leapfrog Continues – Make Sure You're Ready

EMC Standards Consolidation – Like It or Not, It Is Happening Now

Power FAQ

Find answers to power supply questions, including testing and measurement, safety standards, and efficiency regulations.