| Транзистор | Uкэ max(и). B | Jк max(и). А | Pк max[Т]. Вт | h21э | fгр. Мгц |
| BC546 | 65 | 0.1 | 0.5 | 110 - 220 | >= 150 |
| BC546B | 65 | 0.1 | 0.5 | 200 - 450 | >= 150 |
| BC547A | 45 | 0.1 | 0.5 | 110 - 220 | >= 150 |
| BC547B | 45 | 0.1 | 0.5 | 200 - 450 | >= 150 |
| BC547C | 45 | 0.1 | 0.5 | 420 - 800 | >= 150 |
| BC548A | 30 | 0.1 | 0.5 | 110 - 220 | >= 150 |
| BC548B | 30 | 0.1 | 0.5 | 200 - 450 | >= 150 |
| BC548C | 30 | 0.1 | 0.5 | 420 - 800 | >= 150 |
| BC549B | 30 | 0.1 | 0.5 | 200 - 450 | 330 |
| BC549C | 30 | 0.1 | 0.5 | 420 - 800 | 600 |
| BC550B | 45 | 0.1 | 0.5 | 200 - 450 | 330 |
| BC550C | 45 | 0.1 | 0.5 | 420 - 800 | 600 |
