Industry Standards

IEC PUBLICATIONS ON SOFT FERRITE MATERIALS AND COMPONENTS

 IEC 60133  Dimensions of pot cores made of magnetic oxides and associated parts.
 IE 60205  Calculations of the effective parameters of magnetic piece parts.
 IEC 60401-1  Terms and nomenclature for cores made of magnetically soft ferrites. Part 1: Terms used for physical irregularities.
 IEC 60401-2  Terms and nomenclature for cores made of magnetically soft ferrites. Part 2: Reference of dimensions.
 IEC 60401-3
 Terms and nomenclature for cores made of magnetically soft ferrites. Part 3: Guidelines on the format of data appearing in manufacturers’ catalogues of transformers and inductor cores.
 IEC 60424-1  Ferrite cores. Guides on the limits of surface irregularities. Part 1: General specification.
IEC 60424-2  Guidance of the limits of surface irregularities of ferrite cores. Part 2: RM Cores
 IEC 60424-3  Ferrite cores. Guide on the limits of surface irregularities. Part 3: ETD cores and E cores.
 IEC 60424-4  Ferrite cores. Guide on the limits of surface irregularities. Part 4: Ring Cores
 IEC 60647  Dimensions for magnetic oxide cores intended for use in power supplies (EC Cores)
 IEC 60732  Measuring methods for cylinder cores, tubes cores and screw cores of magnetic oxides.
 IEC 61007  Transformers and inductors for use in telecommunication equipment. Measuring methods and test procedures.
 IEC 61185  Magnetic oxide cores (ETD cores) intended for use in power supply applications. Dimensions.
 IEC 61247  PM cores made of magnetic oxide and associated parts. Dimensions.
 IEC 61332  Soft ferrite material classification.
 IEC 61333  Marking on U and E ferrite cores.
 IEC 61596  Magnetic oxide EP cores and associated parts for use in inductors and transformers. Dimensions
 IEC/TR 61604  Dimensions of uncoated ring cores of magnetic oxides.
 IEC 61631  Test method for the mechanical strength of cores made of magnetic oxides.
 IEC 62024-1  High Frequency inductive components. Electrical characteristics and measuring methods. Part 1: Nanohenry range chip inductors.
 IEC 62044-1  Cores made of soft magnetic materials. Measuring methods. Part 1: Generic specifications.
 IEC 62044-2  Cores made of soft magnetic materials. Measuring methods. Part 2: Magnetic properties at low excitation level.
 IEC 62044-3  Cores made of soft magnetic materials. Measuring methods. Part 3: Magnetic properties at high excitation level.
 IEC 62211  Inductive components. Reliability management.
 IEC 62317-1  Ferrite cores-Dimensions- Part 1: General Specification.
 IEC 62317-4  Ferrite cores- Dimensions- Part 4: RM-cores and associated parts.
 IEC 62317-7  Ferrite cores- Dimensions-Part 7: EER-cores.
 IEC 62317-8  Ferrite cores-Dimensions-Part 8: E-cores.
 IEC 62317-9  Ferrite cores-Dimensions-Part 9: Planar cores. Amendment 1.
 IEC/PAS 62323  Dimension of half pot cores of magnetic oxides for inductive proximity switches.
 IEC 62358  Ferrite cores. Standard inductance factor (Al) and its tolerance.
 IEC 62398  Ferrite cores. Technology approval schedule (TAS).

The International Electrotechnical Commission (IEC) is the world organization that prepares and publishes international standards for all electrical, electronic and related technologies. Founded in 1906, the IEC is presently composed of more than 60 participating countries, including all the world’s major trading nations and a growing number of industrializing countries.

The above publications have been issued by the IEC Technical Committee No. 51: Magnetic Components and Ferrite Materials. Publications can be purchased from the American National Standards Institute. Visit their website webstore.ansi.org to purchase the documents.

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