| ICS | Field |
|---|---|
| 31.020 |
Electronic components in general Magnetic components, see 29.100.10 |
| 31.040 | Resistors |
| 31.060 | Capacitors |
| 31.080 |
Semiconductor devices Semiconducting materials, see 29.045 |
| 31.100 | Electronic tubes |
| 31.120 |
Electronic display devices Including liquid crystal displays |
| 31.140 | Piezoelectric devices |
| 31.160 | Electric filters |
| 31.180 | Printed circuits and boards |
| 31.190 |
Electronic component assemblies Including preassembled modules |
| 31.200 |
Integrated circuits. Microelectronics Including electronic chips, logical and analogue microstructures Microprocessors, see 35.160 |
| 31.220 | Electromechanical components for electronic and telecommunications equipment |
| 31.240 | Mechanical structures for electronic equipment |
| 31.260 |
Optoelectronics. Laser equipment Including photoelectric tubes and cells |