Chemical apparatus - Documentation in the life cycle of process plants - Part 4: Graphical symbols of valves, pipes and actuators
Edition 2014-07

Connectors for electronic equipment - Part 4-110: Printed board connectors with assessed quality; Detail specification for latched cable connector system having a basic grid of 2,0 mm, including full shielding and latching function (IEC 61076-4-110:2001); German version EN 61076-4-110:2002
Edition 2002-10

Aerospace series - Design and installation of aircraft electrical and optical interconnection systems; German and English version prEN 3197:2023
Edition 2023-07

Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 4: Method for the measurement of the load resonance frequency fL, load resonance resistance RL and the calculation of other derived values of quartz crystal units, up to 30 MHz (IEC 60444-4:1988); German version EN 60444-4:1997
Edition 1997-10

Fixed capacitors for use in electronic equipment - Part 4-2: Blank detail specification - Fixed aluminium electrolytic capacitors with solid (MnO₂) electrolyte - Assessment level EZ (IEC 60384-4-2:2007); German version EN 60384-4-2:2007
Edition 2007-12

Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 2: Transformers with cable boxes on the high-voltage and/or low-voltage side - General requirements for transformers with rated power less than or equal to 3 150 kVA; German version EN 50588-2:2018
Edition 2019-12

Waveguide type dielectric resonators - Part 1: Generic specification (IEC 61338-1:2004); German version EN 61338-1:2005
Edition 2005-07

Fixed resistors for use in electronic equipment - Part 4: Sectional specification: Fixed power resistors (IEC 40/2693/CD:2019); Text in German and English
Edition 2020-04

Connectors for use in d.c. low frequency analogue and digital high speed data applications - Part 4-103: Printed board connectors with assessed quality; detail specification for two-part connectors with shielding and a basic grid of 2,5 mm (IEC 61076-4-103:1999); German version EN 60176-4-103:1999
Edition 1999-08

Discontinuous totalizing automatic weighing instruments (totalizing hopper weighers) - Part 1: Metrological and technical requirements - Tests (OIML R 107-1:2007)
Edition 2014-11