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BS EN IEC 63093-10:2022

BS EN IEC 63093-10:2022

$142.49

Ferrite cores. Guidelines on dimensions and the limits of surface irregularities – PM-cores and associated parts

Published By Publication Date Number of Pages
BSI 2022 26
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IEC 63093-10:2022 specifies the dimensions that are of importance for mechanical interchangeability for a preferred range of PM-cores made of magnetic oxides, the main dimensions for coil formers to be used with these cores and the locations of their pins on a modular printed wiring grid in relation to the base outlines of cores. It also specifies the effective parameter values to be used in calculations and gives guidelines on allowable limits of surface irregularities applicable to the PM-cores.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
6 Blank Page
7 English
CONTENTS
9 FOREWORD
11 1 Scope
2 Normative references
3 Terms and definitions
4 Primary dimensions
4.1 General
12 4.2 Dimensions of PM-cores
4.2.1 Principal dimensions
Figures
Figure 1 – Main dimensions of PM-cores
Tables
Table 1 – Main dimensions of PM-cores
13 4.2.2 Effective parameter and Amin values
4.3 Main dimensions of coil formers
Figure 2 – Main dimensions of coil formers
Table 2 – Effective parameter and Amin values
14 4.4 Pin locations and base outlines
4.5 Pin diameter
5 Mounting hardware
Table 3 – Main dimensions of coil formers
15 6 Limits of surface irregularities
6.1 General
6.2 Examples of surface irregularities
Figure 3 – Pin locations and base outlines viewed from the underside of the board
16 6.3 Chips and ragged edges
6.3.1 General
6.3.2 Chips and ragged edges located on the mating surface
Figure 4 – Examples of surface irregularities
17 6.3.3 Chips and ragged edges located on other surfaces
6.4 Cracks
Figure 5 – Chips on mating surfaces
18 6.5 Pull-out
Figure 6 – Locations of cracks
Table 4 – Limits for cracks
19 6.6 Crystallites
6.7 Flash
Figure 7 – Location of pull-out
Figure 8 – Location of a crystallite
20 6.8 Pores
Figure 9 – Location of a flash
Figure 10 – Location of pore
21 Annex A (normative)Derived standards
22 Annex B (normative)Example of a gauge to check the coil former space dimensionsof PM‑cores meeting the IEC primary standard
Figure B.1 – Example of a gauge
Table B.1 – Example of a gauge
23 Annex C (informative)Recommended main dimensions for mounting hardware
Figure C.1 – Main dimensions of mounting hardware
Table C.1 – Main dimensions of U-bolt
24 Table C.2 – Main dimensions of base plate
25 Annex D (informative)Limits of allowable chipping areas
Table D.1 – Limits of allowable chipping areas

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BS EN IEC 63093-10:2022
$142.49