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Electrical insulating materials and systems - AC voltage endurance evaluation. IEC 61251:2015-11(en-fr). Original standard IEC 61251-2015 in PDF full version. Additional info + preview on request

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Amendment 2 - Electroacoustics - Specifications for personal sound exposure meters. Original standard IEC 61252-2017 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 61252-2025

Piezoelectric ceramic resonators - A specification in the IEC quality assessment system for electronic components (IECQ) - Part 1- Generic specification - Qualification approval. IEC 61253-1:1993. Original standard IEC 61253-1-1993 in PDF full version. Additional info + preview on request

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Piezoelectric ceramic resonators - A specification in the IEC quality assessment system for electronic components (IECQ) - Part 2- Sectional specification - Qualification approval - Section 1- Blank detail specification - Assessment level E. IEC 61253-2-1:1993. Original standard IEC 61253-2-1-1993 in PDF full version. Additional info + preview on request

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Piezoelectric ceramic resonators - A Specification in the IEC quality assessment system for electronic components (IECQ) - Part 2- Sectional specification - Qualification approval. IEC 61253-2:1993. Original standard IEC 61253-2-1993 in PDF full version. Additional info + preview on request

Document status: Active

Electric shavers for household use - Methods for measuring the performance. CEI/IEC 61254:1993. Original standard IEC 61254-1993 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 61254-2026