Back to top

CUI

- 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.

Power Solutions

Image of CUI's Power Solutions

As a leader in the power supply industry, CUI energizes your ideas with a diverse range of leading ac-dc power supplies and dc-dc converters. Learn More

Thermal Management Solutions

Image of CUI's Thermal Management Solutions

Defeat heat in your application with CUI’s dc fans, blowers, heat sinks, and Peltier devices—all aimed at enhancing system longevity and performance. Learn More

Audio Solutions

Image of CUI's Audio Solutions

CUI’s buzzers, speakers and microphones are sound solutions for any design, offering a variety of options for maximum flexibility. Learn More

Featured Products

Image of CUI's Interconnect Solutions

Interconnect Solutions

Comprised of power, audio, DIN, RCA and USB connectors, CUI offers quality connections for a range of applications, simplifying the design process. Learn More

Image of CUI's Motion Solutions

Motion Solutions

CUI is revolutionizing encoder technology with its ground breaking AMT modular encoders that deliver both accuracy and durability without tradeoffs. Learn More

Product Listing View All

Newest Products View All (108)

CUI Power Solutions Thumbnail

AC-DC Power Supplies & DC-DC Converters

CUI power solutions including AC-DC power supplies ranging from 1W to 3000W and DC-DC converters ranging from 1W to 700W available at DigiKey.

Learn More
CUI Audio Solutions

Audio Solutions

CUI offers a variety of audio solutions including buzzers, speakers, microphones, and audio solutions used in a variety of applications including automotive and medical.

Learn More
CUI Interconnect Solutions

Interconnect Solutions

CUI offers a large portfolio of interconnect solutions including audio, DC power, USB, DIN, and RCA connectors. Buy CUI interconnect products at DigiKey!

Learn More
AMT Thumbnail

AMT Modular Encoders

CUI Inc. is revolutionizing encoder technology with the AMT series including incremental, absolute & commutation encoders. Visit DigiKey.com to order now!

Learn More
Image of CUI's AMT 12-Bit and 14-Bit Absolute Encoders

12-Bit and 14-Bit Absolute Encoders

CUI's AMT absolute encoders are a highly rugged and accurate position feedback solution, thanks to their capacitive sensing technology.

Learn More
Image of CUI's AE Series DC-DC Converters

DC-DC Converters for Renewable Energy Applications

CUI's AE series DC-DC converters for renewable energy applications.

Learn More

Product Training Modules View All (24)

ECM-SM

Electret Condenser Microphones

Duration: 10 minutes

CUI's Electret Condenser Microphones convert sound into an electrical signal and are commonly used in telephones, GPS, hearing aids, and more.

omni-SM

omniCOOL™ Bearing System

Duration: 5 minutes

This presentation will provide an overview on CUI's omniCOOL™ Bearing system, the different fans and their advantages and disadvantages.

power supply

Energy Efficiency Standards for External Power Supplies

Duration: 10 minutes

To explain the current and future regulatory environment for external ac-dc power adapters.

Image of CUI's heatsinks

How to Select a Heat Sink

Duration: 5 minutes

An overview of the benefits of heat sinks in thermal management, how to identify the proper heat sink for a design, and a review of CUI's line of stamped and extruded heat sinks.

Featured Videos View All (29)

CUI USB Type-C Connectors | Digi-Key Daily

USB Type-C UJ31 receptacle connector series and UP31 plug connector series from CUI conform to the USB 3.1 Gen 2 standard that supports data transfer speeds up to 10 Gbps and power delivery up to 100 W at 20 V.

Mounting the AMT Modular Encoder Series

An animation demonstrating the simplicity of mounting the AMT modular encoder series to a dc motor. For specifics on mounting the AMT10 incremental encoder series, please reference our separate video.

CUI's High Density Medical VMS Series | Digi-Key Daily

CUI medical AC-DC power supplies from 180 W to 550 W are high density additions to CUI’s medical power portfolio.

CUI VOF High Density AC-DC | Digi-Key Daily

CUI’s open-frame AC-DC power supplies from 180 W to 550 W are higher-density additions to their open-frame AC-DC power supply portfolio.

Tools & Support

Image of CUI's IEC 60601-1 Medical Design Standards

IEC 60601-1 Medical Design Standards for Power Supplies

With the coming transition to IEC 60601-1 4th edition, designers of medical equipment must consider a range of new requirements. In this paper, CUI takes a look at the evolution of IEC 60601-1 and its implications for engineers specifying power supplies for medical devices. Learn More

Image of CUI's What is the Most Effective Way to Commutate a BLDC Motor?

What is the Most Effective Way to Commutate a BLDC Motor?

Learn about the different methods and tradeoffs for commutating BLDC motors and how CUI's AMT commutation encoder series is providing a valuable solution to the quickly-growing BLDC market. Learn More

Image of CUI's Efficiency Standards for External Power Supplies

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

Image of CUI's arcTEC™ Structure

arcTEC™ Structure

This paper takes a look at CUI's arcTEC™ structure, found in its line of high performance Peltier modules, versus general Peltier module construction. Learn how the arcTEC structure provides improved performance and reliability, outperforming conventional thermoelectric cooler design. Learn More

Image of CUI's Module or Discrete Power?

Module or Discrete Power?

With design cycles accelerating and applications demanding more power in less space, the engineer's decision of how to power their designs continues to evolve. In this paper, CUI delves further into the trade-offs and benefits of pre-designed power modules versus discrete power solutions. Learn More

Image of CUI's omniCOOL™ System

omniCOOL™ System

Discover how CUI's omniCOOL™ system, found in its line of sleeve bearing axial fans, bridges the gap between traditional sleeve and ball bearing designs, thanks to dramatically reduced fan friction, wobble, and noise, in addition to improved fan life and performance. Learn More

Additional Content

Power

Thermal Management

News

Motion

Audio

Interconnect

Tech Insights™ Blog

Quality

3D Models

Manufacturer Web site