BS EN IEC 60191-1:2018 Mechanical standardization of semiconductor devices General rules for the preparation of outline drawings of discrete devices

Conversion (units of measurement)
Technical drawing
Interchangeability
Drawings
Standardization
Electric terminals
Dimensional tolerances
Engineering drawings
Dimensions
Rounding (numbers)
Numerical designations
Electronic equipment and components
Semiconductor devices

Link: BS EN IEC 60191-1:2018 Mechanical standardization of semiconductor devices General rules for the preparation of outline drawings of discrete devices
Source: BSI Standards