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 (IEC 61248-5:1996); German version EN 61248-5:1997
Edition 1998-05

Transformers and inductors for use in electronic and telecommunication equipment - Part 6: Sectional specification for inductors on the basis of the capability approval procedure (IEC 61248-6:1996); German version EN 61248-6:1997
Edition 1998-05

Transformers and inductors for use in electronic and telecommunication equipment - Part 7: Sectional specification for high frequency inductors and intermediate frequency transformers on the basis of the capability approval procedure (IEC 61248-7:1996); German version EN 61248-7:1997
Edition 1998-05

Electroacoustics - Octave-band and fractional-octave-band filters - Part 1: Specifications (IEC 61260-1:2014); German version EN 61260-1:2014
Edition 2014-10

Electroacoustics - Octave-band and fractional-octave-band filters - Part 2: Pattern-evaluation tests (IEC 61260-2:2016 + AMD1:2017); German version EN 61260-2:2016 + A1:2017
Edition 2018-01

Electroacoustics - Octave-band and fractional-octave-band filters - Part 3: Periodic tests (IEC 61260-3:2016); German version EN 61260-3:2016
Edition 2016-09

Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure sound pressure levels in noise certification of aircraft (IEC 61265:2018); German version EN IEC 61265:2018
Edition 2018-12

Fibre optic communication subsystem test procedures - Part 2-9: Digital systems - Optical signal-to-noise ratio measurement for dense wavelength-division multiplexed systems (IEC 61280-2-9:2009); German version EN 61280-2-9:2009
Edition 2009-12

Fibre-optic communication subsystem test procedures - Part 4-5: Installed cabling plant - Attenuation measurement of MPO terminated fibre optic cabling plant using test equipment with MPO interfaces (IEC 61280-4-5:2020 + COR1:2022); German version EN IEC 61280-4-5:2020 + AC:2022
Edition 2022-12

Optical amplifiers - Test methods - Part 7-1: Out-of-band insertion losses - Filtered optical power meter method (IEC 61290-7-1:2007); German version EN 61290-7-1:2007
Edition 2008-02