| Manufacturer | Part Number | Description |
|---|---|---|
Siemens Semiconductor Group (now Infineon) |
BC149 | Silicon NPN Transistor |
| Unknown Manufacturer | BC147 | (BC147 - BC149) TRANZYSTORY |
| Unknown Manufacturer | BC148 | (BC147 - BC149) TRANZYSTORY |
Mullard |
BC149 | NPN Transistor |
| Unknown Manufacturer | BC149 | (BC147 - BC149) TRANZYSTORY |
