Piezoelectric filters of assessed quality - Part 1: Generic specification (IEC 60368-1:2000 + A1:2004); German version EN 60368-1:2000 + A1:2004
Edition 2005-04

Piezoelectric filters - Part 2: Guide to the use of piezoelectric filters - Section 2: Piezoelectric ceramic filters (IEC 60368-2-2:1996); German version EN 60368-2-2:1999
Edition 1999-08

Piezoelectric filters of assessed quality - Part 3: Standard outlines and lead connections (IEC 60368-3:2010); German version EN 60368-3:2010
Edition 2011-08

Piezoelectric filters of assessed quality - Part 4: Sectional specification; Capability approval (IEC 60368-4:2000); German version EN 60368-4:2000 + Corrigendum:2001
Edition 2001-07

Piezoelectric filters of assessed quality - Part 4-1: Blank detail specification; Capability approval (IEC 60368-4-1:2000); German version EN 60368-4-1:2000 + Corrigendum:2001
Edition 2001-07

Test procedure for thermal endurance of insulating resins and varnishes for impregnation purposes - Electric breakdown methods (IEC 60370:2017); German version EN IEC 60370:2018
Edition 2018-09

Specification for insulating materials based on mica - Part 1: Definitions and general requirements (IEC 60371-1:2003); German version EN 60371-1:2003
Edition 2004-02

Specification for insulating materials based on mica - Part 2: Methods of test (IEC 60371-2:2004); German version EN 60371-2:2004
Edition 2005-05

Specification for insulating materials based on mica - Part 2: Methods of test (IEC 60371-2:2004); German version EN 60371-2:2004, Corrigenda to DIN EN 60371-2 (VDE 0332-2):2005-05
Edition 2006-06

Specification for insulating materials based on mica - Part 3: Specifications for individual materials - Sheet 1: Commutator separators and materials (IEC 60371-3-1:2006); German version EN 60371-3-1:2006
Edition 2007-04