IEC 61156-15:2024 EN 82ef7140
Multicore and symmetrical pair/quad cables for digital communications - Part 15: Symmetrical pair/quad cables for horizontal floor wiring with transmission characteristics up to 1 000 MHz and resistance to fire performance characteristics - Sectional specification
现行
发布日期 :
2024-08-21
实施日期 :
IEC 60444-1:1986 EN-FR bb39c7ce
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
现行
发布日期 :
1986-08-15
实施日期 :
IEC 61189-5-601:2021 EN-FR 0564fa4c
Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 5-601: General test methods for materials and assemblies - Reflow soldering ability test for solder joint, and reflow heat resistance test for printed boards
现行
发布日期 :
2021-02-03
实施日期 :
IEC TR 61189-5-506:2019 EN 3059c021
Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 5-506: General test methods for materials and assemblies - An intercomparison evaluation to implement the use of fine-pitch test structures for surface insulation resistance (SIR) testing of solder fluxes in accordance with IEC 61189-5-501
现行
发布日期 :
2019-06-26
实施日期 :