BC857A Datasheet & Equivalents
PNP
SOT-23
General Purpose
Guangdong Hottech
VCEO
45V
Ic Max
100mA
Pd Max
200mW
hFE Gain
800
Quick Reference
The BC857A is a PNP bipolar junction transistor in a SOT-23 package, manufactured by Guangdong Hottech. It supports a breakdown voltage of 45V and continuous collector current of 100mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | Guangdong Hottech | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 45V | Max breakdown voltage |
| Collector Current (Ic) | 100mA | Max current handling |
| Power Dissipation (Pd) | 200mW | Max thermal limit |
| DC Current Gain (hFE) | 800 | Base signal amplification ratio |
| Transition Frequency (fT) | 100MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 500mV | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 5V | Max emitter-base breakdown |
| Collector Cutoff Current | 100nA | Leakage current when OFF |
| Operating Temp | - | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| BC857 | PNP | SOT-23 | 45V | 100mA | 800 | 200mW | ST(Semtech) 📄 PDF |
| BC857C | PNP | SOT-23 | 45V | 100mA | 800 | 200mW | ChipNobo 📄 PDF |
| 215-CN | PNP | SOT-23 | 45V | 100mA | 800 | 200mW | YONGYUTAI 📄 PDF |
| BC860C | PNP | SOT-23 | 45V | 100mA | 800 | 200mW | HXY MOSFET 📄 PDF |
| BC860C-HXY | PNP | SOT-23 | 45V | 100mA | 800 | 200mW | HXY MOSFET 📄 PDF |
| BCW61D-HXY | PNP | SOT-23 | 45V | 100mA | 800 | 200mW | HXY MOSFET 📄 PDF |
| SBC857CLT1G-HXY | PNP | SOT-23 | 45V | 100mA | 800 | 225mW | GOODWORK 📄 PDF |
| BC857B | PNP | SOT-23 | 45V | 100mA | 800 | 200mW | YONGYUTAI 📄 PDF |
| BC857C | PNP | SOT-23 | 45V | 100mA | 1000 | 200mW | ChipNobo 📄 PDF |
| MMS9015-L-TP-CN | PNP | SOT-23 | 45V | 100mA | 1000 | 200mW | FOSAN 📄 PDF |
| S9015-6AF | PNP | SOT-23 | 45V | 100mA | 1000 | 200mW | FUXINSEMI 📄 PDF |
| S9015 | PNP | SOT-23 | 45V | 100mA | 1000 | 200mW | Wild Goose 📄 PDF |
| S9015 | PNP | SOT-23 | 45V | 100mA | 1000 | 200mW | MDD(Microdiod... 📄 PDF |
| S9015 | PNP | SOT-23 | 45V | 100mA | 1000 | 200mW | GOODWORK 📄 PDF |
| S9015 | PNP | SOT-23 | 45V | 100mA | 1000 | 200mW | MSKSEMI 📄 PDF |
| S9015 | PNP | SOT-23 | 45V | 100mA | 1000 | 200mW | Guangdong Hot... 📄 PDF |
| S9015 | PNP | SOT-23 | 45V | 100mA | 1000 | 200mW | JSMSEMI 📄 PDF |
| S9015 | PNP | SOT-23 | 45V | 100mA | 600 | 200mW | YONGYUTAI 📄 PDF |
| S9015 | PNP | SOT-23 | 45V | 100mA | 475 | 200mW | HXY MOSFET 📄 PDF |
| AC857BQ-7-HXY | PNP | SOT-23 | 45V | 100mA | 475 | 250W | YFW 📄 PDF |