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IEC

PDF Standards IEC 60191-6-22 Ed. 1.0 b:2012

Mechanical standardization of semiconductor devices – Part 6-22: General rules for the preparation of outline drawings of surface mounted semiconductor device packages – Design guide for semiconductor packages Silicon Fine-pitch Ball Grid Array and Silicon Fine-pitch Land Grid Array (S-FBGA and S-FL
standard by International Electrotechnical Commission, 12/11/2012

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IEC

PDF Standards IEC 61837-2 Ed. 3.1 b:2020

Surface mounted piezoelectric devices for frequency control and selection – Standard outlines and terminal lead connections – Part 2: Ceramic enclosures CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 09/24/2020

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