• Preferred Supplier

CUI Inc

Image of CUI's Internal AC-DC

Internal AC-DC

Compact & efficient internal ac-dc power supplies from CUI offer board mount, chassis mount and DIN rail styles, with power ranging from 1 to 550 W.

Image of CUI's External AC-DC

External AC-DC

CUI’s diverse selection of wall plug-in and desktop adapters offer a full suite of safety approvals, high efficiency and 3 to 250 W of power.

Image of CUI's DC-DC

DC-DC

The 1000+ model range of CUI’s dc-dc converters offers economical low power solutions as well as robust high-power dc-dc modules, with power options from 1 to 600 W.

Tools and Support

Featured Videos

Power 101: Versatility of USB Power Delivery Adapters
Power 101: Versatility of USB Power Delivery Adapters
Auxiliary Power Requirements for EVSE
Auxiliary Power Requirements for EVSE
Selecting a Power Supply for Harsh Environments
Selecting a Power Supply for Harsh Environments
VOF-C/VOF-C-CNF | Datasheet Preview
VOF-C/VOF-C-CNF | Datasheet Preview
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Product Training Modules

Image of CUI Inc Preparing for IEC 62368-1 Implementation
5 minutes
Preparing for IEC 62368-1 Implementation
This presentation will provide background and basics of safety standard IEC 62368.
Image of CUI's Smaller and Lighter Power Supplies Using Gallium Nitride
5 minutes
Smaller and Lighter Power Supplies Using Gallium Nitride
This presentation will discuss information regarding what GaN technology is and the features it provides when used in power supplies.
Image of CUI's  DC-DC converter
5 minutes
DC-DC Converters for Renewable Energy Applications
This is an overview of CUI’s AE series of wide input DC-DC converters, including their benefits, features, and use in renewable energy applications
Image of CUI's IEC60601-1 for medical power supplies
10 minutes
Medical Power Supplies and the IEC 60601-1 Medical Design Standards
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.
power supply
10 minutes
Energy Efficiency Standards for External Power Supplies
To explain the current and future regulatory environment for external ac-dc power adapters.
Good Thermal Management
20 minutes
Thermal Management of Power Supplies
Considerations for thermal management in design and application.
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About CUI Inc

Since 1989, CUI has focused on improving the way power products are purchased now and, in the future, while also improving the experience for the design engineer. Along with unparalleled customer service and a variety of power resources, CUI also provides a diverse range of ac-dc power supplies, dc-dc converters, and power filters.