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
Edition 1997-08

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
Edition 1997-08

Transformers and inductors for use in electronic and telecommunication equipment. Part 5: Sectional specification for pulse transformers on the basis of the capability approval procedure
Edition 1997-08

Transformers and inductors for use in telecommunication and electronic equipment. Main dimensions of coil formers. Part 1: Coil formers for laminated cores
Edition 1996-12