BT138B-500G и другие
| Компонент | Описание | Производитель | |
| BT138B-500 | Triacs |
NXP Semiconductors |
 |
| BT138B-500E | Triacs sensitive gate |
NXP Semiconductors |
|
| BT138B-500F | Triacs |
NXP Semiconductors |
|
| BT138B-500G | Triacs |
NXP Semiconductors |
|