PD IEC/TR 63090:2017 BSl Standards Publication Dimensional tolerances of ferrite cores bsi. PDIEC/TR63090:2017 PUBLISHED DOCUMENT National foreword This Published Document is the UK implementation of IEC TR 63090:2017. The UK participation in its preparation was entrusted to Technical Committee EPL/51, Transformers, inductors, magnetic components and ferrite materials. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @ The British Standards Institution 2017 Published by BSI Standards Limited 2017 ISBN9780580 961748 ICS29.100.10 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published under the authority of the Standards Policy and Strategy Committee on 31 August 2017. Amendments/corrigenda issued since publication Date Text affected PDIEC/TR63090:2017 IEC IECTR63090 Edition 1.0 2017-05 TECHNICAL REPORT colour inside Dimensional tolerances of ferrite cores IEC TR 63090:2017-05(en)