Crystal units
| Data sheets | Size |
| Crystals in ceramic SMD packages | 88 kB  |
| Crystals in HC-49/U and HC-50/U | 100 kB |
| Crystals in HC-52/U and UM-1 | 102 kB |
| Crystals in UM-4 and UM-5 | 91 kB |
| Crystals in HC-51/U and HC-48/U | 88 kB |
| Modeller crystals: specification and offer | 168 kB |
| Crystals in QRT-38 | 64 kB |