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