Catalog of standards
Catalog of standards | Group code | Title |
| 31.020 | Electronic components in general |
| 31.040 | Resistors |
| 31.060 | Capacitors |
| 31.080 | Semiconductor devices |
| 31.100 | Electronic tubes |
| 31.120 | Electronic display devices |
| 31.140 | Piezoelectric and dielectric devices |
| 31.160 | Electric filters |
| 31.180 | Printed circuits and boards |
| 31.190 | Electronic component assemblies |
| 31.200 | Integrated circuits. Microelectronics |
| 31.220 | Electromechanical components for electronic and telecommunications equipment |
| 31.240 | Mechanical structures for electronic equipment |
| 31.260 | Optoelectronics. Laser equipment |