Wall plug adapters offer 5VDC single regulated outputs

15th November 2017
Lanna Cooper

CUI has introduced four new series of 3W wall plug power adapters to its portfolio of DoE Level VI and CoC Tier 2 compliant external power supplies. The SWI3‑N and SWI3‑N‑USB series, available with North American input blades, and the SWI3‑E and SWI3‑E‑USB series, featuring European input blades, are all certified to meet the current average efficiency and no-load power requirements enforced by the US Department of Energy’s (DoE) Level VI standards.

The new series are also designed to meet the European Union’s proposed CoC Tier 2 directive, under review to become law in 2018, which looks to further tighten the efficiency requirements enforced by Level VI while adding a new power consumption limit at ten percent load levels.

Housed in an ultra-compact case measuring as small as 2.54x1.42x0.89" (64.6x36x22.5mm), these external ac-dc power supplies offer 5VDC single regulated outputs, a wide universal input voltage range from 90-264VAC, and no-load power consumption less than 0.075W.

Thanks to their ultra-compact design and class II construction, the new models are well suited for a wide range of consumer applications, including media players, e-readers, GPS, and other mobile devices.

The SWI3-N and SWI3-E series feature a range of standard DC output connector options, including micro USB type B, while the SWI3‑N‑USB and SWI3‑E‑USB series incorporate an integrated USB connector.

Models with fixed input blades for North American and Japanese applications carry UL/cUL and PSE safety approvals with European fixed blade models carrying CE and GS safety approvals.

All of the wall plug adapters offer over current, over voltage, and short circuit protections and comply with FCC Part 15 Class B limits for EMI/EMC.

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