IEC 62358 ED3

Ferrite cores - Standard inductance factor for gapped cores and its tolerance

General information

Current stage: 60.00 Effective date: 26 dhj 2025

Next stage: PPUB Next stage date: 6 shk 2026

Originator: IEC

Owner: TC 51

Type: International Standard

ICS: 29.100.10

Scope

IEC 62358:2026(E) provides standard AL values (inductance factors) and their tolerances of Pot, RM, ETD, E, EER, EP, PQ, PM, EC, EFD and low-profile gapped ferrite cores.
This edition includes the following significant technical changes with respect to the previous edition:
a) addition of AL value (inductance factor) and its tolerance for PM-cores;
b) addition of AL value (inductance factor) and its tolerance for EC-cores;
c) addition of AL value (inductance factor) and its tolerance for EFD-cores.

Life cycle

PREVIOUSLY

PUBLISHED
IEC 62358:2012 ED2

NOW

IN_DEVELOPMENT
IEC 62358 ED3
60.00 Standard under publication
26 dhj 2025