BC858B Transistor Datasheet & Specifications
PNP
SOT-23
General Purpose
XCH
VCEO
30V
Ic Max
100mA
Pd Max
300mW
hFE Gain
450
Quick Reference
The BC858B is a PNP bipolar transistor in a SOT-23 package by XCH. This datasheet provides complete specifications including 30V breakdown voltage and 100mA continuous collector current. Download the BC858B datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | XCH | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 30V | Breakdown voltage |
| Ic | 100mA | Collector current |
| Pd | 300mW | Power dissipation |
| DC Current Gain | 450 | hFE / Beta |
| Frequency | 100MHz | Transition speed (fT) |
| VCEsat | 650mV | Saturation voltage |
| Vebo | 5V | Emitter-Base voltage |
| Cutoff Current | 15nA | Leakage (ICBO) |
| Temp | - | 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 |
| MMBT3906 | PNP | SOT-23 | 40V | 200mA | 300mW |
| LBSS5240LT1G | PNP | SOT-23 | 40V | 2A | 300mW |
| 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 |