| ON Semiconductor | PZTA14 is a Darlington Transistor. |
| ON Semiconductor | PZTA27 is a Darlington Transistor. |
| ON Semiconductor | PZTA28 is a Darlington Transistor. |
| ON Semiconductor | PZTA29 is a Darlington Transistor. |
| ON Semiconductor | PZTA64 is a Darlington Transistor. |
| ON Semiconductor | TN6725 is a Darlington Transistor. |