11 July 2012

Green power supplies offer up to 86% efficiency

TDK-Lambda has released the ZWS-B series of printed circuit board type ac/dc power supplies which it claims are lighter, more efficient and 30% smaller than its previous ZWS series.

In line with the company's green product initiative, the ZWS-B range complies with the energy saving requirements of the ErP (energy related products) directive and features a <0.5W no load input power.

Available in three models – the ZWS10B (10W), ZWS15B (15W) and ZWS30B (30W) – the series is said to offer an efficiency of up to 86%. An operating temperature range of -10 to 70°C is designed for 100% load operation in a 50°C environment and 70% load at 60°C.

With a universal input of 85 to 265Vac or 120 to 370Vdc, the ZWS-B series is available with a choice of output voltages from 3.3 to 24V which can be adjusted 10% to accommodate non standard system voltages.

"The ZWS-B series adopts a simple circuit design which reduces internal losses and achieves the smaller size," says Martin Southam, director of marketing for TDK-Lambda EMEA. "Boasting features such as wide input range and drastically reduced input power at no load conditions, the ZWS-B brings another addition to our world class portfolio of 'green' power supplies."

TDK says the ZWS-B series is suitable for light industrial equipment and front end equipment for broadcast and communications applications, as well as led signage and test and measurement applications.

Author
Simon Fogg

Supporting Information

Websites
http://www.uk.tdk-lambda.com

Companies
TDK-Lambda UK

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