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Standard on EMC Requirements for Power Supply Units

Standards

IEC 61204-3:2011 specifies electromagnetic compatibility (EMC) requirements for power supply units (PSUs) providing d.c. output(s) with or without auxiliary a.c. output(s), operating from a.c. or d.c. source voltages up to 600 V a.c. or 1 000 V d.c. The main changes with respect to the previous edition are listed below:
– Update of the scope to align with IEC 61204-7.
– Update of the normative references to the latest editions.
– Change of the definitions of environments to align with the latest editions of the applicable normative references.
– Revision of the applicability of tests to different power supply technologies.
– Revision of the emission limits and requirements to align with the latest editions of the applicable normative references.
– Revision of the immunity limits and requirements to align with the latest editions of the applicable normative references.
– Clarification of the different classes of PSU.Preview the standard.

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Interference Technology

Established in 1970, Interference Technology helps EMI/EMC engineers find solutions to their various testing, design, application and regulatory issues by publishing articles, news and other practical content. We help suppliers in these areas to find the right customers for their components, materials, test equipment and services through a wide range of marketing services, including lead generation, branding, market research and events. The publication is available in various printed and electronic media formats, with readers in over 60 countries. We also publish issues in local languages in China, Japan and Europe.

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