IEC 63093-3:2020

IEC 63093-3 ®
Edition 1.0 2020-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Ferrite cores – Guidelines on dimensions and the limits of surface
irregularities –
Part 3: Half pot-cores made of ferrite for inductive proximity switches

Noyaux ferrites – Lignes directrices relatives aux dimensions et limites
des irrégularités de surface –
Partie 3: Demi-circuits magnétiques en pots en ferrite pour des commutateurs
inductifs de proximité
IEC 63093-3 :2020-03(en-fr)
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IEC 63093-3 ®
Edition 1.0 2020-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Ferrite cores – Guidelines on dimensions and the limits of surface

irregularities –
Part 3: Half pot-cores made of ferrite for inductive proximity switches

Noyaux ferrites – Lignes directrices relatives aux dimensions et limites

des irrégularités de surface –

Partie 3: Demi-circuits magnétiques en pots en ferrite pour des commutateurs

inductifs de proximité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ISBN 978-2-8322-8009-6
ICS 29.100.10
– 2 – IEC 63093-3:2020 © IEC 2020
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Primary dimensions . 5
4.1 General . 5
4.2 Nomenclature of dimensions . 6
4.3 Dimensions of PS-cores . 7
4.4 Requirements . 8
4.5 Marking . 8
5 Limits of surface irregularities . 8
5.1 General . 8
5.2 Examples of surface irregularities . 8
5.3 Chips and ragged edges . 9
5.4 Cracks . 11
5.5 Pull-out, crystallite and pore locations for PS-cores . 12
5.6 Flash . 12
Bibliography . 14

Figure 1 – Fundamental types of PS-cores . 6
Figure 2 – Nomenclature of dimensions . 7
Figure 3 – Examples of surface irregularities . 9
Figure 4 – Chips and ragged edge on the surfaces . 9
Figure 5 – Cracks location – Top view . 11
Figure 6 – Cracks location – Bottom view . 11
Figure 7 – Pull-out, crystallite and pore locations . 12
Figure 8 – Flash location. 13
Figure 9 – Flash location in the wire hole . 13

Table 1 – Dimensions of PS-cores . 8
Table 2 – Area and length references of irregularities for visual inspection . 10
Table 3 – Limits for cracks . 12

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FERRITE CORES – GUIDELINES ON DIMENSIONS
AND THE LIMITS OF SURFACE IRREGULARITIES –

Part 3: Half pot-cores made of ferrite
for inductive proximity switches

FOREWORD
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International Standard IEC 63093-3 has been prepared by IEC technical committee 51:
Magnetic components, ferrite and magnetic powder materials.
This first edition cancels and replaces the first edition of IEC 62323, published in 2005. This
edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition of IEC 62323:
a) addition of the limits surface irregularities.

– 4 – IEC 63093-3:2020 © IEC 2020
The text of this International Standard is based on the following documents:
CDV Report on voting
51/1300/CDV 51/1323/RVC
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts of the IEC 63093 series, published under the general title Ferrite cores –
Guidelines on dimensions and the limits of surface irregularities, can be found on the IEC
website.
The committee has
...