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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
SDI Series 30 W and 40 W Desktop Power Adapters
CUI's SDI series 30 W and 40 W desktop power adapters are available with output voltages of 12, 15, 19 and 24 VDC.
Waterproof Micro USB 2.0 Connector
CUI’s UJ2W-MIBH-4-SMT is a micro B type jack connector with an Ingress Protection (IP) rating of IPX7, offering it protection from liquid and moisture in challenging applications.
185 W to 280 W Open Frame AC-DC Power Supplies
CUI’s open-frame AC-DC power supplies are higher-power additions to CUI’s latest generation open frame AC-DC power portfolio.
Low Power DC-DC Converters
CUI low power DC-DC converters are available with a range of package, input, output and isolation voltage options. Order today from Digi-Key.
Rectangular Micro Speakers
CUI’s versatile line of rectangular micro speakers is the ideal solution for space-constrained designs.
Ultra-Compact SIP AC-DC Power Supplies
CUI has expanded their open-frame AC-DC line with a family of ultra-compact modules in a SIP package.
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.
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.
CUI 15 W and 25 W Isolated DC-DC Converters | Digi-Key Daily
CUI’s PRD15 and PRD25 series are DC-DC converter modules outputting 15 W and 25 W of power from compact, low-profile packages.
CUI 4mm Micro Buzzer | Digi-Key Daily
View CUI's small, lightweight magnetic transducer micro buzzers, and see why they are ideal for portable equipment applications
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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