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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

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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

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

Featured Products

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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

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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 (109)

Image of CUI's PQDE6W Series 6 W Isolated DC-DC Converters

PQDE6W Series 6 W Isolated DC-DC Converters

CUI's PQDE6W series carry single- or dual-regulated outputs as well as overcurrent, overvoltage, input undervoltage, and short-circuit protections.

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Image of CUI's SDM36 Medical Desktop Power Adapter

36 W Medical Desktop Power Adapters

CUI's SDM36-U/SDM36-UD 36 W medical desktop power adapters are ideal solutions for a variety of medical, dental and home healthcare equipment.

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Image of CUI Inc's Micro Speakers

Micro Speakers

Speakers with a low-profile design and Mylar cones for increased durability, suited for use in headset and handheld applications.

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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.

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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.

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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!

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Product Training Modules View All (24)

Image of CUI's IEC60601-1 for medical power supplies

Medical Power Supplies and the IEC 60601-1 Medical Design Standards

Duration: 10 minutes

Overview of the IEC 60601-1 medical design standards as well as an introduction to CUI's line of internal and external certified products for this line.

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.

Featured Videos View All (30)

CUI AE Series DC-DC Converters | Digi-Key Daily

AE series of ultra-wide input DC-DC converters from CUI are available in board mount, chassis mount, and DIN rail mount configurations.

Publish Date: 2018-07-16

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.

Publish Date: 2018-03-14

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.

Publish Date: 2018-02-21

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.

Publish Date: 2018-01-10

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

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Thermal Management

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Motion

Audio

Interconnect

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