BS/EN 60424-3-2016 pdf download.FERRITE CORES — GUIDELINES ON THE LIMITS OF SURFACE IRREGULARITIES -Part 3: ETD-cores, EER•cores, EC•cores and E•cores.
1) The International Electrotechnical Commission (IEC) is a worldwide organization rot standardization comprising all national electrotechnlcal committees (IEC National Committees) The ob(ect of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields To this end and In addition to other activities. IEC publishes International Standard;. Technical Specification;. Technical Reports. Publicly Available Specifications (PAS) and Guides (hereafter referred to as 1EC Publicatlon(sfl. Their preparation Is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work, International, governmental and nongovernmental organizations liaising with the IEC also participate in this preparation IEC collaborates closely with the International Organization for Standardization (ISO) In accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees
3) IEC Publications have the form of recommendation; for international use and are accepted by IEC National Committees in that sense While all reasonable effort; are made to ensure that the technical content of IEC Publications Is accurate, JEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible In their national and regional publications Any divergence between any IEC Publication and the corresponding national or regional publication shalt be clearly Indicated in the tatter.
5) IEC itself does not provide any attestation of conformity- Independent certification bodies provide conformity assessment services and, In some areas, access to lEG marks of conformity. IEC is not responsible for any services carried out by independent certification bodies,
B) Alt users should ensure that they have the latest edition of this pubtication
7) No liability shall attach to IEC or its directors, employees, servants or agents including Individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal tees) and expenses arising out of the publication, use of. or reliance upon, this IEC Publication or any other IEC Publications.
8) Attention is drawn to the Normative references cited in this publication Use of the referenced publications is indispensable for the correct application of this publication
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights IEC shall not be held responsible for identifying any or all such patent rights
International Standard IEC 60424-3 has been prepared IEC technical committee 51: Magnetic components and ferrite materials.
This second edition cancels and replaces the first edition published in 1999. This edition constitutes a technical revision,
This edition Includes the following significant technical changes with respect to the previous
edition:
a) addition of allowable areas of chips for EC-cores in Table 3,
b) addition of crystallites in 4.5 and pores in 4.6.BS/EN 60424-3-2016 pdf download.
BS/EN 60424-3-2016 pdf download
PS:Thank you for your support!