IEC TR 60444-4:1988 EN-FR 646162bc
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
现行
发布日期 :
1988-06-29
实施日期 :
IEC TR 60825-14:2004 EN 9591e623
Safety of laser products - Part 14: A user's guide
REVISED
发布日期 :
2004-02-25
实施日期 :
IEC TR 60825-3:2008 EN 0274a880
Safety of laser products - Part 3: Guidance for laser displays and shows
REVISED
发布日期 :
2008-03-11
实施日期 :
IEC TR 60825-3:2022 EN 47884d05
Safety of laser products - Part 3: Guidance for laser displays and shows
现行
发布日期 :
2022-07-13
实施日期 :
IEC TR 60825-5:2003 EN-FR a77454da
Safety of laser products - Part 5: Manufacturer's checklist for IEC 60825-1
REVISED
发布日期 :
2003-06-26
实施日期 :
IEC TR 60828:1988 EN-FR a909716a
Pin allocations for microprocessor systems using the IEC 60603-2
connector
现行
发布日期 :
1988-05-14
实施日期 :
IEC TR 60996:1989 EN-FR 313fc0c6
Method for verifying accuracy of tan delta measurements applicable to capacitors
现行
发布日期 :
1989-11-15
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 :