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Normas IEC

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IEC

IEC TS 62903:2023

En Vigor
2023-06-13
Ultrasonics - Measurements of electroacoustical parameters and acoustic output power of spherically curved transducers using the self-reciprocity method
IEC

IEC 60368-2-1:1988

En Vigor
1988-06-30
Piezoelectric filters - Part 2-1: Guide to the use of piezoelectric filters - Quartz crystal filters
IEC

IEC 62788-1-4:2016/AMD1:2020

En Vigor
2020-10-15
Amendment 1 - Measurement procedures for materials used in photovoltaic modules - Part 1-4: Encapsulants - Measurement of optical transmittance and calculation of the solar-weighted photon transmittance, yellowness index, and UV cut-off wavelength
IEC

IEC 62271-205:2008

En Vigor
2008-01-15
High-voltage switchgear and controlgear - Part 205: Compact switchgear assemblies for rated voltages above 52 kV