Transformers and inductors for use in electronic and telecommunication equipment - Part 4: Sectional specification for power transformers for switched mode power supplies (SMPS) on the basis of the capability approval procedure (IEC 61248-4:1996); German version EN 61248-4:1997
电子和通信设备用变压器和电感器.第4部分:基于能力批准程序的开关电源(SMPS)用电力变压器分规范(IEC 61248-4-1996);德文版EN 61248-4:1997