This device is a small-signal general-purpose NPN bipolar transistor. In Taitron's semiconductor catalog, the BC547B is listed with a collector-emitter voltage rating of 45 V and a maximum collector current of 0.10 A. The catalog gives a DC current gain range of 200 to 450 at VCE = 5.0 V and IC = 2 mA, with collector-emitter saturation voltage listed as 0.25/0.60 V at 10/100 mA. It also lists a transition frequency of 300 MHz at 10 mA and a CBE lead arrangement.
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Taitron Components BC547B technical specifications.
| Number of Terminals | 3 |
| Terminal Position | BOTTOM |
| JEDEC Package Code | TO-92 |
| Number of Elements | 1 |
| RoHS | Yes |
| REACH | unknown |
| Military Spec | False |
No datasheet is available for this part.