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Power Solutions
CUI Inc. Supplier Page
CUI Inc. designs, manufactures, and markets electro-mechanical components for the OEM manufacturer. Learn more about supplier.

Click here to view all CUI Inc power products available at Digi-Key


CUI Inc. - Product Information

  • Featured Product
  • Technology Types
  • Tools & Support
  • Product Training
Featured Product

V78 Series

CUI Inc. V78 SeriesDesigned as a drop-in replacement for linear LM78XX regulators, CUI's V78 series utilizes switching technology, creating a highly compact, highly efficient alternative solution. Unlike linear regulators, the V78 series does not require a heat sink, making it ideal for applications where board space is at a premium and energy efficiency is a concern. The V78 Series is available with output currents of 0.5 A, 1 A, 1.5 A, and 2 A.

Pricing and Availability
View Product Highlight
Product Training Module


Technology Types

AC/DC Board Mount Converters Pricing and Availability
AC/DC Off Board - Commercial/Industrial Pricing and Availability
AC/DC Off Board Converters - Medical Pricing and Availability
AC/DC Off Board - Wall and Desk Transformer Pricing and Availability
DC/DC Board Mount Linear Regulator Drop-In Pricing and Availability
DC/DC Board Mount Isolated Pricing and Availability
DC/DC Board Mount PoL Pricing and Availability
DC/DC Off Board Converters Pricing and Availability
DC/DC Constant Current Board Mount Pricing and Availability
Tools & Support

Power Line Card

CUI Inc. Power Line CardAt CUI, our approach is to develop smarter, faster, smaller power modules. Whether it’s an embedded ac-dc power supply, a board level dc-dc converter, or a level V external adapter, we continuously strive to keep our V-Infinity power line, ranging from 0.25 W to 2400 W, ahead of the curve.

Power Line Card



Power Quick Guide

CUI Inc. Power Quick GuideV-Infinity, a product line of CUI Inc, encompasses external switching power supplies, DC-DC converters and embedded power supplies that range from 0.25 to 2400 watts. This diversified line has taken years to develop and refine, and now serves as a complete resource for our customers.

Power Quick Guide



Glossary of Power Supply Terms

CUI Glossary of Power Supply TermsCUI's glossary of Power Supply Terms for the V-Infinity Power

Glossary of Power Supply Terms


Product Training

CUI Inc. Product Training Module (PTM)

Created with the busy design engineer in mind, these training tutorials are available in audio and non-audio versions. These unique tools facilitate faster time to market and make Digi-Key a true one-stop shop for all of our customers’ needs.

V78 DC/DC Switching Regulators
Worldwide External Power Adapter Efficiency Standards
Low Power DC-DC Converters
VLED15 AC-DC LED Power Supply
High Density Medical Power Supplies-VMS Series