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Amendment 5 - Base materials for printed circuits. Part 2- Specifications. Specification No. 9- Epoxide cellulose paper core, epoxide glass cloth surfaces copper-clad laminated sheet of defined flammability (vertical burning test). Original standard IEC 60249-2-9-1987 amd5-2000 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 61249-2-5-2003

Corrigendum 1 - Low-voltage fuses - Part 3: Supplementary requirements for fuses for operation by unskilled persons (fuses mainly for household and similar applications) - Examples of standardized systems of fuses A to F. IEC 60269-3:2024-08/COR1:2025-11(en-fr). Original standard IEC 60269-3-2024 cor1-2025 in PDF full version. Additional info + preview on request

Document status: Active

Amendment 1 - Dimensions of mechanical structures of the 482.6 mm (19 in) series. Part 3- Subracks and associated plug-in units. Original standard IEC 60297-3-1984 amd1-1992 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60297-3-101-2004

Corrigendum 1 - Standard definitions and methods of measurement for piezoelectric vibrators operating over the frequency range up to 30 MHz. Original standard IEC 60302-1969 cor1-1971 in PDF full version. Additional info + preview on request

Document status: Active

Standard definitions and methods of measurement for piezoelectric vibrators operating over the frequency range up to 30 MHz. Original standard IEC 60302-1969 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60122-1-2017

IEC provisional reference coupler for the calibration of earphones used in audiometry. Original standard IEC TR 60303-1970 in PDF full version. Additional info + preview on request

Document status: Withdrawn