Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment; part 1: transformers and inductors using YEI 1 laminations; identical with IEC 60852-1:1986
电信和电子设备用变压器和电感器的外形尺寸;第1部分:使用YEI 1叠片的变压器和电感器;与IEC 60852-1:1986相同