KS C IEC 61253-2:2018 Piezoelectric ceramic resonators — A Specification in the IEC quality assessment system for electronic components (IECQ) — Part 2: Sectional specification-Qualification approval
2023KS C IEC 61253-2-2023 Specifications in the IEC Electronic Components Quality Assessment System (IECQ) for Piezoelectric Ceramic Resonators Part 2: Sub-Specification Approval
0000 KS C IEC 61253-2-1-2002(2022)
2018KS C IEC 61253-2:2018 Piezoelectric ceramic resonators — A Specification in the IEC quality assessment system for electronic components (IECQ) — Part 2: Sectional specification-Qualification approval
0000 KS C IEC 61253-2-1-2002(2017)
2002KS C IEC 61253-2-1:2002 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