AC-DC Power Supplies include right-angle versions.

Press Release Summary:

Measuring 1.38 x 0.98 x 0.51 in., PBK-B Series includes 1, 3, and 5 W configurations, with input voltages from 85~264 Vac and single output voltages of 3.3, 5, 9, 12, 15, and 24 Vdc. For high-voltage DC-DC applications, modules provide DC input range of 100~400 Vdc. All are designed for 3,000 Vac/1 min input to output isolation, have over current and continuous short circuit protection, and can function from -40 to +85°C (1 and 3 W) and -25 to +85°C (5 W).

Original Press Release:

CUI Extends Ultra-Compact SIP Ac-Dc Power Supply Series to Include Low Profile Versions

TUALATIN, Ore. – CUI Inc has extended its PBK series of ultra-compact SIP ac-dc power supplies to now include right-angle versions.  The low-profile PBK-B family is available in 1 W, 3 W and 5 W configurations. The power modules measure as small as 1.38 x 0.98 x 0.51 in. (35 x 25 x 13 mm), and are ideally suited to deliver on-board ac-dc power conversion where board real estate is at a premium.

The high density PBK-B series is offered in single output voltages of 3.3, 5, 9, 12, 15, and 24 Vdc and can operate at ac input voltages between 85~264 Vac.  For high voltage dc-dc applications, the modules also provide a dc input range spanning 100~400 Vdc. All models are designed for 3,000 Vac/1 Min input to output isolation, have over current and continuous short circuit protection, and can function at a wide operating range from -40 to +85°C (1 W and 3 W) and -25 to +85°C (5 W) for use in challenging environments.

The low profile PBK-B series meets internationally recognized UL 60950-1/EN 60950-1 standards and complies with EN55022 Class B limits for conducted and radiated EMC with few additional external components required.  They are ideally suited for a range of applications including automation equipment, industrial systems, security applications, and telecommunication equipment.

The PBK-B Series is available through distribution starting at $11.29 for 100 pieces. Please contact CUI for OEM pricing.


Product name: PBK-1-XX-B, PBK-3-XX-B, PBK-5-XX-B

Availability: 4-6 weeks production

Possible users: Automation, industrial systems, security, telecommunications

Primary features: Ultra-compact package, wide operating temperature range

Cost: $11.29 per unit through distribution in 100 piece quantities

About CUI Inc

CUI Inc is a technology company dedicated to the development and distribution of electro-mechanical products. Their broad power and component product portfolios allow customers to address design challenges across a range of industries and applications. Built on a solid foundation of core operating principals, CUI seeks to maximize value for customers through their engineering, manufacturing, and supply chain capabilities. As an industry leader, CUI continues to invest in the future through new technologies, talented employees, expanded manufacturing capabilities, and a growing global reach. For more information, please visit

CUI Inc is a subsidiary of CUI Global, Inc., a publically traded company under the ticker symbol NASDAQ: CUI.

Media contacts


Maggie Lefor

+1 503 612 2300

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