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TDK-Lambda ZWS-B PCB-type AC-DC Power Supplies


TDK-Lambda announces the ZWS-B series printed circuit board type AC-DC Power Supplies - 30 % smaller, lighter weight and more efficient range of Power Supplies than the earlier generation ZWS series. Reinforcing TDK-Lambda's "green" product initiative, the ZWS-B series complies with the energy saving requirements of the ErP (Energy related Products) Directive, featuring a <0.5 W no load Input Power. Ideal for use in a wide range of light industrial equipment and front-end equipment for broadcast and communications applications, the ZWS-B is also well-suited for applications in indoor and outdoor LED signage and test & measurement.

Available in three Low Power models - the ZWS10B (10 W), ZWS15B (15 W) and ZWS30B (30 W) - the ZWS-B series is a compact product that offers an efficiency of up to 86 %. In addition, the ZWS-B convection-cooled Power Supplies feature an operating temperature range of -10 to +70 degC, allowing 100 % load operation in a +50 degC environment and 70 % load at +60 degC.

Operating from a universal input of 85 to 265 VAC or 120 to 370 VDC, the ZWS-B series is offered with a choice of output voltages from 3.3 to 24 VDC. Each model can be adjusted by +/-10% of its nominal voltage to accommodate non-standard system voltages. Standard features include over current and over voltage protection circuitry; options include remote on/off feature, L-plate or L-plate plus cover, conformal coating of the PCB and a fixed output voltage.

The ZWS-B series from TDK-Lambda meets the conducted and radiated EMC requirements of EN55011/EN55022-B, FCC-B and VCCI-B, as well as IEC61000-4-2, -3, -4, -5, -6, -8, -11 immunity and safety approvals to UL/CSA/EN60950-1 and EN50178 (OV II). Delivered with TDK-Lambda's 5-year warranty, backed up with a 10-year electrolytic capacitor lifetime, the ZWS-B series carries the CE mark, according to the LV Directive.

Please contact us for more information on this product. More About TDK-Lambda




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