This standard applies to magnetic cores mainly made of magnetic oxides or metal powders, which are used in inductors and transformers in communication equipment and electronic instruments using similar technology. Some of the methods described in this standard are also applicable to cores for other components.
GB/T 9632.1-2002 history
2012GB/T 28869.1-2012 Cores made of soft magnetic materials.Measuring methods.Part 1:Generic specification
2002GB/T 9632.1-2002 Measuring methods of cores for inductors and transformers for telecommunications
0000 GB/T 9632-1988
GB/T 9632.1-2002 Measuring methods of cores for inductors and transformers for telecommunications was changed to GB/T 28869.1-2012 Cores made of soft magnetic materials.Measuring methods.Part 1:Generic specification.