Electronic Products & Technology

Class I & II industrial 10 to 50W power supplies deliver low output noise

EP&T Magazine   

Electronics Power Supply / Management ac/dc EMI power supply

TDK CORP. ZWS-C series of 10, 15, 30 and 50W rated industrial ac-dc power supplies meet EN55011/EN55032-B conducted and radiated EMI in either a Class I or Class II (double insulated) construction, without the need for external filtering or shielding. With electrolytic capacitor lifetimes of up to 15 years, units can be used in factory automation, robotics, semiconductor fabrication manufacturing and test and measurement equipment. Available output voltages are 5V, 12V, 15V, 24V as well as 48V for the ZWS50-C model only. The ZWS10-C and the ZWS15-C models measure 63.5 x 45.7 x 22.1mm (L x W x H), the ZWS30-C 76.2 x 50.8 x 24.2mm (3 x 2”) and the ZWS50-C 76.2 x 50.8 x 26.7mm. The operating temperature with convection cooling and standard mounting is -10oC to 70oC derating linearly to 50% load above 50 to 70oC. With an external airflow of 0.8m/s, the power supplies can operate at full load. No load power consumption is typically less than 0.3W.

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