bsi. ...making excellence a habit Inspiringtrust for a more resilient world 需要更多标准请联系 wechat: wpwyq310 PDIECTR63307:2020 BSlStandardsPublication Measurement methods ofthecomplex relative permeability and permittivity ofnoisesuppressionsheet bsi. PDIECTR63307:2020 PUBLISHEDDOCUMENT National foreword This Published Documentis the UK implementation of IECTR63307:2020. TheUK participation in itspreparation was entrusted toTechnical CommitteeEPL/51,Transformers,inductors,magneticcomponentsand ferrite materials. Alistof organizations represented onthis committeecanbeobtained on request to its committee manager. This publication does not purport to include all the necessary provisions ofa contract.Users areresponsiblefor its correctapplication TheBritishStandardsInstitution2020 PublishedbyBSIStandardsLimited2020 ISBN9780539136524 ICS 29.100.10 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published underthe authority of the Standards Policyand StrategyCommitteeon31December2020. Amendments/corrigendaissuedsincepublication Date Textaffected