This part of IEC 60747 provides standards for the following categories or sub-categories of rectifier diodes, including: line rectifier diodes; avalanche rectifier diodes; fast-switching rectifier diodes; Schottky barrier diodes.
IEC 60747-2:2016 Referenced Document
IEC 60050-521:2002 International Electrotechnical Vocabulary - Part 521: Semiconductor devices and integrated circuits