This standard specifies the technical requirements for the type, size, rating, characteristics, inspection rules, marking and packaging of ordinary thyristors with a rated average on-state current of 5A to 100A. This standard applies to bolt-shaped ordinary thyristors with rated average on-state currents of 5A to 100A according to the shell.
JB/T 8950.1-1999 history
2013JB/T 8950.1-2013 Phase control thyristors.Part 1:Stud devices
1999JB/T 8950.1-1999 General thyristors with electric current lower than 100A