Filtrar:
IEC
IEC TS 62257-9-5:2024
En Vigor
2024-12-11
Renewable energy off-grid systems – Part 9-5: Integrated systems –
Laboratory evaluation of stand-alone renewable energy products for rural electrification
IEC
IEC 61747-30-3:2019
En Vigor
2019-08-21
Liquid crystal display devices - Part 30-3: Measuring methods for liquid
crystal display modules - Motion artefact measurement of active matrix
liquid crystal display modules
IEC
IEC 61249-2-47:2018
En Vigor
2018-01-10
Materials for printed boards and other interconnecting structures - Part
2-47: Reinforced base materials clad and unclad - Non-halogenated
epoxide non-woven/woven E-glass reinforced laminate sheets of thermal
conductivity 2,0 W/(m•K) and defined flammability (vertical burning
test), copper-clad for lead-free assembly
IEC
IEC 60444-1:1986/AMD1:1999
En Vigor
1999-08-13
Amendment 1 - Measurement of quartz crystal unit parameters by zero
phase technique in a pi-network. Part 1: Basic method for the
measurement of resonance frequency and resonance resistance of quartz
crystal units by zero phase technique in a pi-network










