TX-4000-DAJ-256 и другие
| Компонент | Описание | Производитель | |
| EX-4000-DAJ-257 | Evacuated Miniature Crystal Oscillator |
Vectron International, Inc |
 |
| OX-4000-DAJ-257 | Oven Controlled Crystal Oscillator |
Vectron International, Inc |
|
| OX-4000-DAJ-258 | Oven Controlled Crystal Oscillator |
Vectron International, Inc |
|
| TX-4000-DAJ-256 | Temperature Compensated Crystal Oscillator |
Vectron International, Inc |
|