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BS EN IEC 63093-1:2020

BS EN IEC 63093-1:2020

$102.76

Ferrite cores. Guidelines on dimensions and the limits of surface irregularities – General specification

Published By Publication Date Number of Pages
BSI 2020 20
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This part of IEC 63093 specifies the dimensions and allowable limits of surface irregularities of ferrite cores.

It is intended that this document includes ferrite cores which are widely used and referenced in industry, either because they are included in national standards, or because they are seen to have broad-based use in industry. Where applicable, it is intended that the existing industrial name for each standard part appears with the part within this series.

It is intended that this document excludes ferrite cores which are specialty cores with limited use. Also, special cores which are only marginal variations upon standard cores are excluded.

A ferrite core produced by only one or two suppliers can generally be considered a specialty part, and not suitable as a standard core within this series. A ferrite core produced by three or more competing manufacturers can generally be considered to be a candidate to be included in this series.

IEC publishes electrical standards for families of ferrite cores, as well as this series of dimensional standards for families of ferrite cores. Modifications to the ferrite cores listed in one type of standard are reflected in the other type.

This document is considered as a general specification useful in the dialogue between ferrite core suppliers and users about surface irregularities.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
8 FOREWORD
10 INTRODUCTION
11 1 Scope
2 Normative references
3 Terms and definitions
12 4 Dimension descriptions
5 Location and functions of core parts and surfaces
5.1 General
13 5.2 Mating surfaces
5.3 Centre post
5.4 Outer legs
5.5 Back, bottom surface and back surfaces
5.6 Wire-slot area
Figure 1 – Location of main core parts and surfaces – Example of RM-core type
14 5.7 Wire-way area
5.8 Clamping recess area
6 Area and length reference for visual inspection
15 Table 1 – Area and length reference for visual inspection
16 7 Examples of surface irregularities
8 Limits of surface irregularities
8.1 General
8.2 Chips and ragged edges
8.3 Cracks
8.4 Flash
Figure 2 – Examples of surface irregularities
17 8.5 Pull-outs
8.6 Pores
8.7 Crystallites
18 Annex A (informative)IEC 63093 series
Table A.1 – IEC 63093 series
19 Bibliography

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BS EN IEC 63093-1:2020
$102.76