| Компонент | Описание | Производитель | |
| 2SA1981S | PNP Silicon Transistor (Audio power amplifier application) |
AUK corp |
|
| 2SA1981S | Audio power amplifier application |
KODENSHI KOREA CORP. |
|
| 2SA1981SF | PNP Silicon Transistor (Audio power amplifier application) |
AUK corp |
|
| 2SA1981SF | PNP Silicon Transistor |
Guangdong Kexin Industrial Co.,Ltd |
|
| 2SA1981SF | Audio power amplifier application |
KODENSHI KOREA CORP. |