DIN IEC 60852-2-1994 电信和电子设备用变压器和电感器的外形尺寸.第2部分:印制电路板安装用带YEx-2芯的变压器和电感器
Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment; part 2: transformers and inductors using YEx 2 laminations for printed wiring board mounting; identical with IEC 60852-2:1992