| Компонент | Описание | Производитель | |
| NE577 | Unity gain level programmable low power compandor |
NXP Semiconductors |
|
| NE577D | Unity gain level programmable low power compandor |
NXP Semiconductors |
|
| NE577N | Unity gain level programmable low power compandor |
NXP Semiconductors |
|
| NTE577 | Silicon Diode General Purpose, Fast Recovery Switch |
NTE Electronics |