CUI’s New PBO Family AC-DC Power Supplies Come with Continuous Short Circuit Protections

Press Release Summary:

CUI’s PBO Family AC-DC Power Supplies include PBO-1 and PBO-1-B models housed in vertical and right-angle SIP packages respectively. Units offer 85 to 305 Vac or 70 to 430 Vdc input voltage range and provide 5, 9, 12, 15, and 24 Vdc output voltages. Suitable for industrial systems, automation equipment, security and telecommunications, PBO-1 comes in 35 x 11 x 18 mm footprint and PBO-1-B units in 35 x 18 x 11 mm size. PBO power supplies provide -40 to +85°C operating temperature.

Original Press Release:

1 W AC-DC Power Supplies Housed in Ultra-Compact SIP Packages

TUALATIN, Ore. — April 18, 2018 — CUI’s Power Group today announced the addition of two models to its PBO family of ultra-compact ac-dc power supplies. Outputting 1 W of continuous power, the open frame PBO‑1 and PBO‑1‑B series are housed in vertical and right-angle SIP packages, respectively. The vertical PBO‑1 series measures as small as 35 x 11 x 18 mm (1.38 x 0.43 x 0.71 in), while the low profile, right-angle PBO‑1‑B series measures as small as 35 x 18 x 11 mm (1.38 x 0.71 x 0.43 in), making them ideal for industrial systems, automation equipment, security, telecommunications and smart home devices where limited board real-estate is a factor.

These high density power supplies feature wide input voltage ranges from 85 to 305 Vac or 70 to 430 Vdc for high voltage dc-dc applications. The PBO‑1 and PBO‑1‑B come available with single output voltages of 5, 9, 12, 15, and 24 Vdc and offer 3000 Vac input to output isolation. Both series also offer a wide operating temperature range from -40 to +85°C at full load as well as over current and continuous short circuit protections with auto recovery.

All models further feature class II construction, carry UL 60950-1 safety approvals, and bear the CE safety mark.

The PBO‑1 and PBO‑1‑B series are available immediately with prices starting at $4.74 per unit at 100 pieces through distribution. Please contact CUI for OEM pricing.


Product name: PBO‑1, PBO‑1‑B
Availability: Stock to 9 weeks
Possible users: Consumer electronics, home and office equipment, industrial control
Primary features: Ultra-compact SIP package, vertical and right angle versions
Cost: $4.74 per unit at 100 pieces through distribution

View details for the PBO-1 series

View details for the PBO-1-B series

About CUI Inc

CUI is an electronic components manufacturer specializing in a diverse range of product technologies. As a leader in power electronics, the organization supports customers as they strive to improve the energy efficiency and environmental credentials of their application. The company’s interconnect, audio, motion and thermal management groups provide engineers with reliable and proven solutions across a range of market segments as technology allows the world to connect in new ways. An unwavering commitment to the design engineer has been a hallmark of CUI’s sustained growth since its founding in 1989 and will continue to be the primary mission as they expand their product technologies, manufacturing capabilities and 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


Jeff Schnabel, +1 503 612 2300,,


Alexandra Sorton, +44 (0)1225 470 000,,

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