| 2PC4081 | Philips Semiconductors | NPN general purpose transistor |
| 2PC4081Q | Philips Semiconductors | 2PC4081; NPN general-purpose transistor |
| 2PC4081R | Philips Semiconductors | 2PC4081; NPN general-purpose transistor |
| 2PC4081S | Philips Semiconductors | 2PC4081; NPN general-purpose transistor |