| BT138 | TRIACs |
| BT138X | TRIACs |
| BT138B | TRIACs |
| BT138 | TRIACs |
| BT138B | TRIACs |
| BT138X | TRIACs |
| BT138B | TRIACs |
| BT138F-600 | TRIACs |
| BT138B-Series | TRIACs |
| BT138-Series-E | TRIACs |
| BT138X-Series-E | TRIACs |
| BT138X-Series | TRIACs |
| BT138B | TRIACs |
| BT138B-Series | TRIACs |
| BT138X-Series-E | TRIACs |
| BT138X-Series | TRIACs |
| BT138-Series-E | TRIACs |