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- CUI is an electronic components manufacturer with an unwavering commitment to design engineers. The company specializes in a diverse range of product technologies, including power, interconnect, audio, motion control, and thermal management.
As a leader in the power supply industry CUI offers a diverse range of leading solutions to meet your needs. Browse CUI’s main product offerings. Learn More
The Power Product Selector allows you to browse CUI’s wide range of ac-dc power supplies and dc-dc converters from front-end power to digital point-of-load. Learn More
Check out CUI’s comprehensive line of Level VI and CoC Tier 2 compliant external ac-dc adapters to keep you one step ahead of the latest regulations. Learn More
DC Switching Regulators
Designed as a drop-in replacement for linear LM78XX and LM79XX regulators, the CUI V78 and P78 series utilize switching technology, creating a highly compact, highly efficient alternative solution. Learn More
Open Frame AC-DC
CUI's next-generation VOF open frame AC-DC power supplies are designed to meet the growing need for "green" embedded power solutions, delivering higher efficiency and improved no-load performance. Learn More
Thermal Management Solutions
CUI's thermal solutions include DC Fans, Heatsinks, and Peltier Devices all aimed at reducing the amount of heat on your device to extend lifetime.
300 W Medical AC-DC Power Supplies
CUI's VMS-300A series 300 W medical AC-DC power supplies are designed for energy-conscious, 2 x MOPP hospital, home healthcare, and dental applications.
6 ~ 20 W Open Frame AC-DC Power Supplies
CUI’s open-frame AC-DC power supplies ranging from 6 to 20 W are low-power additions to CUI’s latest-generation open frame AC-DC power portfolio now ranging from 6 to 300 W.
Low Power Board Mount AC-DC Power Supplies
Available in encapsulated and open-frame packages, CUI’s PSK, PBO, and VOF series of low-power, board-mount AC-DC power supplies range from 3 to 20 W and offer a variety of configurations.
300 W Open-Frame AC/DC Power Supplies
CUI’s 300 W open-frame AC/DC power supplies are higher-power additions to CUI’s latest-generation open frame AC/DC power portfolio.
5 W and 10 W Wall Plug Adapters
CUI's 5 W and 10 W wall plug adapters feature overcurrent, overvoltage, and short-circuit protections, and are DoE Level VI and CoC Tier 2 compliant.
Energy Efficiency Standards for External Power Supplies
Duration: 10 minutes
To explain the current and future regulatory environment for external ac-dc power adapters.
Encapsulated AC-DC Power Supply Series
Duration: 5 minutes
Rugged and compact, and also features a wide temperature range, potted case. Fit for designs requiring 1-25 W of on-board AC-DC power conversion.
Thermal Management of Power Supplies
Duration: 20 minutes
Considerations for thermal management in design and application.
AMT31 Series Commutation Encoder
Describing the functional theory of commutation encoders. Along with understanding what makes AMT31 Series revolutionary.
AMT Viewpoint Tutorial
In this video, Jeff Smoot, VP of Motion Control at CUI, provides a tutorial on the features and capabilities of the AMT Viewpoint™ Graphical User Interface (GUI) software paired with the innovative AMT modular encoder series.
CUI CFM Series DC Axial Fans | Digi-Key Daily
CUI's high-performance DC axial fans offer dual-ball-bearing construction and rated speed of up to 8,300 RPM.
CUI PBO Series SIP Ac-Dc Power Supplies | Digi-Key Daily
CUI's PBO Series of AC-DC power supplies fit into ultra compact packages as small as 35 x 11 x 18 mm.
CUI 10 W AC/DC Power Supplies | Digi-Key Daily
CUI offers their 10 W power supplies with integrated USB connectors and a full suite of safety approvals.
Efficiency Standards for External Power Supplies
This paper examines the evolution of efficiency standards and provides a summary of the current global legislation impacting external ac-dc power supplies. Learn More
Designing Intelligence into Commutation Encoders
The benefits of encoders based on capacitive technology offer much more than just improved performance and reliability. Learn how this alternate approach to motion sensing delivers a new level of intelligence for designers utilizing rotary commutation encoders. Learn More
Reliability Considerations for Power Supplies
Power supplies may not have the glamour, nor get the attention that processors and displays receive, but they are just as vital to system operation. In this application note we look at reliability in power supplies, how it’s measured and how it can be improved. Learn More
EMI Considerations for Switching Power Supplies
This application note examines the rules and regulations governing control of EMI, discusses types of noise generated by switching power supplies, and provides basic EMI mitigation guidance when designing a power system. Learn More
Power Quick Guide
This guide provides a quick and easy way to compare our ac-dc power supplies and dc-dc converters based on key specifications and features. Learn More
Important Considerations When Selecting a Fan for Forced Air Cooling
Selecting the right fan for the thermal management of your design is critical and can have a significant impact on the overall lifespan of a system. This paper takes a closer look at understanding your system needs and requirements, fan performance and the different fan designs and features to consider for your next project. Learn More
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