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DIN EN 61185:2006 电源设备用铁氧体芯.尺寸

This International Standard specifies the dimensions that are of importance for mechanical interchangeability for ETD-cores made of ferrite, the essential dimensions of coil formers to be used with them, and the effective parameter values to be used in calculations involving them.

Ferrite cores (ETD-cores) intended for use in power supply applications - Dimensions (IEC 61185:2005); German version EN 61185:2005