PX-4220-DBA-KF и другие
| Компонент | Описание | Производитель | |
| PX-4220-DBA-KA | Hybrid TTL Clock Oscillator |
Vectron International, Inc |
 |
| PX-4220-DBA-KB | Hybrid TTL Clock Oscillator |
Vectron International, Inc |
|
| PX-4220-DBA-KF | Hybrid TTL Clock Oscillator |
Vectron International, Inc |
|
| PX-4220-DBA-KK | Hybrid TTL Clock Oscillator |
Vectron International, Inc |
|
| PX-4220-DBA-KS | Hybrid TTL Clock Oscillator |
Vectron International, Inc |
|