Graphical symbols for diagrams - Part 9: Telecommunications; switching and peripheral equipment (IEC 60617-9:1996); German version EN 60617-9:1996
Edition 1997-08

Graphical symbols for diagrams - Part 10: Telecommunications; transmission (IEC 60617-10:1996); German version EN 60617-10:1996
Edition 1997-08

Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment - Part 4: Transformers and inductors using YUI-2 laminations (IEC 60852-4:1996); German version EN 60852-4:1996
Edition 1997-03

Transformers and inductors for use in electronic and telecommunication equipment - Measuring methods and test procedures (IEC 61007:2020 + COR1:2021); German version EN IEC 61007:2020 + AC:2021
Edition 2021-09

Transformers and inductors for use in electronic and telecommunication equipment - Measuring methods and test procedures (IEC 61007:2020 + COR1:2021); German version EN IEC 61007:2020 + AC:2021; Corrigendum 1
Edition 2021-11

Laminated core packages for transformers and inductors used in telecommunication and electronic equipment - Part 1: Dimensions (IEC 61021-1:1990); German version EN 61021-1:1997
Edition 1997-11

Laminated core packages for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Electrical characteristics for cores using YEE 2 laminations (IEC 61021-2:1995); German version EN 61021-2:1997
Edition 1997-10

Transformers and inductors for use in electronic and telecommunication equipment - Part 1: Generic specification (IEC 61248-1:1996); German version EN 61248-1:1997
Edition 1998-05

Transformers and inductors for use in electronic and telecommunication equipment - Part 2: Sectional specification for signal transformers on the basis of the capability approval procedure (IEC 61248-2:1996); German version EN 61248-2:1997
Edition 1998-05

Transformers and inductors for use in electronic and telecommunication equipment - Part 3: Sectional specification for power transformers on the basis of the capability approval procedure (IEC 61248-3:1996); German version EN 61248-3:1997
Edition 1998-05