| 2 Passive components |
| 2.3 Resistors (including R networks) |
| 2.3.1 Fixed resistors |
| 2.3.1.1 Individual fixed resistors, standard |
| 2.3.1.2 SMD resistors |
| 2.3.1.4 High-voltage resistors |
| 2.3.1.5 Power resistors, air-cooled |
| 2.3.1.7 Measurement resistors |
| 2.3.2 Variable resistors |
| 2.3.2.4 Precision potentiometers |
| 2.3.2.8 Trimmer resistors |
| 2.4 Radiofrequency and Microwave components |
| 2.4.9 Filters, resonators and oscillators |
| 2.4.9.3 Oscillators |
| 2.4.9.3.1 Crystal oscillators |
| 2.4.9.3.5 Programmable oscillators |
| 2.4.9.3.6 Crystal oscillators, miscellaneous |