Main Message for home page.


A leading manufacturer of ac-dc power supplies and dc-dc converters, ranging from 1 W to 12,000 W.


A comprehensive range of interconnect, acoustic, and thermal management devices.


Explore CUI’s resource library which includes application notes, catalogs, editorial coverage, and more.

omniCOOL™ System - Improved Longevity and Performance in Dc Fans

Discover how CUI's omniCOOL™ system, found in its line of sleeve bearing axial fans, bridges the...

How to Choose a Cooling Fan in Five Easy Steps

Determining the type and size of a cooling fan needed for your design is not always easy. In this...

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...

CUI Introduces Latest Software Defined Power® Solution at APEC 2017

In this video, Lee Teschler, Executive Editor at Design World, interviews Mark Adams, CUI’s Senior...

arcTEC™ Structure - Improved Performance and Life Span in Peltier Modules

This paper takes a look at CUI's arcTEC™ structure, found in its line of high performance Peltier...