BC857B is a PNP epitaxial silicon transistor intended for switching and amplifier applications. It is specified for a maximum collector-emitter voltage of 45 V, continuous collector current of 100 mA, and collector dissipation of 310 mW at 25°C. The device is supplied in a SOT-23 surface-mount package with three terminals. The B gain class is specified for DC current gain from 200 to 450 at VCE = -5 V and IC = -2 mA, and the datasheet lists a transition frequency of 150 MHz typical.
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Fairchild BC857B technical specifications.
| Max Operating Temperature | 150 |
| Number of Terminals | 3 |
| Terminal Position | DUAL |
| Pin Count | 3 |
| Number of Elements | 1 |
| RoHS | No |
| Eccn Code | EAR99 |
| HTS Code | 8541.21.00.75 |
| REACH | unknown |
| Military Spec | False |
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