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CUI Inc. 2013 q4 Newsletter
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CUI Partners with EDN to Create “Power Forward” Blog


CUI has partnered with EDN to create a new blog focusing on the latest trends and technologies pushing the power industry forward.

Learn More ►

CUI tumbler and pen tool

Win a CUI water bottle and pen tool!

Low Power Dc-Dc Converters

CUI’s comprehensive line of 1~3 W dc-dc converters is available with a range of package, input, output, and isolation voltage options. What is the operating temperature range of the PDS1-M Series?

Submit your answer to; five winners will be selected on October 22, 2013.


Miniature Ac-Dc Power Supplies Maximize Board Space

PBK-1 Series

PBK-3 Series

PBK-5 Series

The all-new PBK ac-dc power supply series is ideally suited to deliver onboard ac-dc power conversion where board real estate is at a premium. Housed in a high-density SIP package, these 1~5 W encapsulated power supplies also feature an operating temperature range up to -40 to +85 °C for outdoor and industrial applications where thermal stress is a concern.


- 1 ~ 5 W models

- Miniature SIP package

- 85 ~ 264 Vac / 100 ~ 400 Vdc input range

- Operating temperature range up to -40 to +85°C

- UL/cUL safety approvals

- Low no load power consumption


USB Power Adapter is Ultra-Compact

EPSA 5W USB Series

The EPSA 5 W US blade power adapter series features an integrated USB connector in an ultra-compact design. Meeting Level V efficiency standards with a no-load power draw less that 0.1 W, this ac-dc power supply is a continuation of CUI's initiative to provide customers with efficient power solutions utilizing the latest in green power technology.


- Up to 5 W continuous power

- Ultra-compact case

- Efficiency meets EISA 2007, CEC Level V, ErP 2011 Phase II

- No load power consumption < 0.1 W

- Integrated USB connector

- UL/cUL, PSE safety approvals


Next Generation Board Mount Dc-Dc Converters Increase Efficiency

PYB10 Series

PYB15 Series

PYB20 Series

PYB30 Series

The PYB series is CUI's latest release from their 2nd generation dc-dc converter family designed to improve efficiency and thermal performance. Supporting a 4:1 input range, these isolated models ranging from 10~30 W are ideal for battery-driven applications where charging and discharging conditions require an ultra-wide input range. All units also come standard with an operating temperature range of -40 to +85 °C and a six-sided shielded case, providing a rugged solution for use in harsh environments.


- 10~30 W models

- Industry standard 2" x 1" or 2" x 1.6" packages

- 4:1 input range

- Six-sided shielded case

- Operating temperature range up to -40 to +85°C

EMI Considerations for Switching Power Supplies

This application note covers the sources and characteristics of radiated and conducted EMI, the regulations governing it, and mitigation best practices when designing your power system.

View Application Note ►


Back to Basics Thermal Management for Power Supplies

This edition of our EETimes article series, “Back to Basics,” focuses on the various methods and considerations for cooling embedded power supplies.

Read Article ►


CUI Inc.
20050 SW 112th Avenue
Tualatin, OR 97062

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