External AC/DC Desktop Power Supplies deliver Level VI efficiency.

Press Release Summary:

Featuring 4.52 x 2.08 x 1.50 in. package with IEC320/C14 AC inlet, SDI50-U (50 W) and SDI65-U (65 W) series meet Level VI standards regarding average efficiency and no load power requirements mandated by US DoE. Universal input range is 90–264 Vac, and available single-output voltages are, depending on series, 9, 12, 15, 18, 19, 24, and 48 Vdc. Along with UL/cUL, GS, and PSE safety approvals, products meet radiated and conducted emission requirements for FCC Part 15B Class B.

Original Press Release:

Level VI External AC-DC Desktop Power Supply Family Extended with 50 and 65 W Models

CUI’s new adapters boost active and no-load efficiency performance to comply with upcoming US Department of Energy regulations

TUALATIN, Ore. – CUI Inc today announced the addition of 50 W and 65 W models to its recently introduced Level VI desktop ac-dc power supply family. The SDI50-U and SDI65-U series meet the more stringent average efficiency and no load power requirements mandated by the US Department of Energy (DoE) set to go into effect in February 2016. The new Level VI standards aim to significantly lower the amount of power consumed when the end application is not in use or is no longer connected to the system.

The power supplies feature a wide universal input voltage range of 90~264 Vac and are available in single output voltages of 9, 12, 15, 18, 19, 24, and 48 Vdc depending on the series. Offering UL/cUL, GS and PSE safety approvals and meeting the radiated and conducted emission requirements for FCC Part 15B Class B, the SDI50-U and SDI65-U are designed for global applications. Both series are housed in a compact package measuring 4.52 x 2.08 x 1.50 in (115 x 53 x 38 mm) with an IEC320/C14 ac inlet.  Additional features include over voltage, over current and short circuit protections.

The new SDI50-U and SDI65-U series are available with prices starting at $20.68 per unit at 100 pieces through distribution, please contact CUI for OEM pricing.

For more information on the DOE’s upcoming Level VI regulations, click here.


Product name: SDI50-U, SDI65-U

Availability: Stock to 16 weeks

Possible users: Consumer, industrial, ITE equipment manufacturers

Primary features: Level VI efficiency

Cost: $20.68 per unit at 100 pieces through distribution

View details for the SDI50-U series

View details for the SDI65-U series

About CUI Inc

CUI Inc is a technology company focused on the development and distribution of electronic components. At the leading edge of power supply design, the organization supports customers as they strive to improve the energy efficiency and environmental credentials of their application.  The company's power group is complemented by a portfolio of world-class board level components, consisting of interconnect, sound, motion control and thermal products.  An unwavering commitment to create collaborative partnerships with customers and a drive to see that their design project is a success has been a hallmark of CUI's sustained growth since its founding in 1989.   As a leader in the industry, CUI will continue to invest in the future through new technologies, talented employees, expanded manufacturing capabilities, and a growing global reach.

CUI Inc is a subsidiary of CUI Global, Inc., a publicly traded company whose common stock trades on the NASDAQ Exchange under the symbol CUI.

Media contacts


Maggie Lefor

+1 503 612 2300




Derek Rye

+44 (0)1225 470 000



More from Software

All Topics

COVID-19 Response Suppliers COVID-19 Response:
Can Your Company Help Provide Critical Supplies?

We are using the power of our platform to aid in the mass shortage of critical supplies. If your company can help provide supplies, capabilities, or materials for products such as N-95 Masks and Tyvek SuitsPlease let us know.

COVID-19 Response Suppliers