IEC 63093-2 Ed. 1.0 b:2020

Ferrite cores – Guidelines on dimensions and the limits of surface irregularities – Part 2: Pot-cores for use in telecommunications, power supply, and filter applications
standard by International Electrotechnical Commission, 03/27/2020

IEC 60227-3 Ed. 2.1 b:1997

Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V – Part 3: Non-sheathed cables for fixed wiring CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 11/26/1997

IEC 60122-3 Ed. 4.0 b:2010

Quartz crystal units of assessed quality – Part 3: Standard outlines and lead connections
standard by International Electrotechnical Commission, 10/11/2010

IEC 60191-6-18 Ed. 1.0 b:2010

Mechanical standardization of semiconductor devices – Part 6-18: General rules for the preparation of outline drawings of surface mounted semiconductor device packages – Design guide for ball grid array (BGA)
standard by International Electrotechnical Commission, 01/07/2010