Description
The BC857 transistor is a PNP general-purpose transistor. This transistor's primary uses are general-purpose switching and amplification. The BC857 PNP transistor is packaged in a tiny SOT-23 package. It operates on low current and voltage. It's an SMD version of the BC557 TH Transistor.
Pin Configuration

1 |
C- collector |
2 |
B- base |
3 |
E- emitter |
Specifications
Mounting Style |
SMD |
Package |
SOT-23 |
Transistor Polarity |
PNP |
Collector-Emitter Voltage VCEO Max |
-45 V |
Collector-Emitter Voltage VCES Max |
-50V |
Collector-Base Voltage VCBO Max |
-50V |
Emitter-Base Voltage VEBO Max |
-5V |
Power Dissipation at Tamb=25C Ptot |
330mW |
Operating Temperature |
-55 to +150C |
Collector Cut-Off Current |
Max -15nA |
Transition Frequency |
150fT |