GB/T 14860.4-2012

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

电子和通信设备用变压器和电感器 第4部分：按能力批准程序评定质量的开关电源变压器分规范