BC857A Transistor Datasheet & Specifications
PNP
SOT-23
General Purpose
MSKSEMI
VCEO
45V
Ic Max
100mA
Pd Max
200mW
hFE Gain
125
Quick Reference
The BC857A is a PNP bipolar transistor in a SOT-23 package by MSKSEMI. This datasheet provides complete specifications including 45V breakdown voltage and 100mA continuous collector current. Download the BC857A datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | MSKSEMI | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 45V | Breakdown voltage |
| Ic | 100mA | Collector current |
| Pd | 200mW | Power dissipation |
| DC Current Gain | 125 | hFE / Beta |
| Frequency | 100MHz | Transition speed (fT) |
| VCEsat | - | Saturation voltage |
| Vebo | - | Emitter-Base voltage |
| Cutoff Current | - | Leakage (ICBO) |
| Temp | -55℃~+150℃ | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| MMBT2907A-7-F | PNP | SOT-23 | 60V | 600mA | 350mW |
| FMMT560TA | PNP | SOT-23 | 500V | 150mA | 500mW |
| BC856ALT1G | PNP | SOT-23 | 65V | 100mA | 225mW |
| MMBTA92 | PNP | SOT-23 | 300V | 500mA | 300mW |
| ZXTP2025FTA | PNP | SOT-23 | 50V | 5A | 1.2W |
| 2SA812 | PNP | SOT-23 | 50V | 100mA | 200mW |
| ZXTP25100BFHTA | PNP | SOT-23 | 100V | 2A | 1.25W |
| LBC856BLT1G | PNP | SOT-23 | 65V | 100mA | 225mW |
| LBC807-40LT1G | PNP | SOT-23 | 45V | 500mA | 225mW |
| FMMTA92TA | PNP | SOT-23 | 300V | 200mA | 310mW |