BC857ALT1G Transistor Datasheet & Specifications
PNPSOT-23General Purpose
VCEO
45V
Ic Max
100mA
Pd Max
225mW
Gain
90
Quick Reference
The BC857ALT1G is a PNP bipolar transistor in a SOT-23 package. This datasheet provides complete specifications including 45V breakdown voltage and 100mA continuous collector current. Download the BC857ALT1G datasheet PDF below for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | onsemi | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| VCEO | 45V | Breakdown voltage |
| IC Max | 100mA | Collector current |
| Pd Max | 225mW | Power dissipation |
| Gain | 90 | DC current gain |
| Frequency | - | Transition speed |
| VCEsat | - | Saturation voltage |
| Vebo | 100MHz | Emitter-Base voltage |
| Temp | -55℃~+150℃ | Operating temp |
Direct Replacements & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| MMBT3906 | PNP | SOT-23 | 40V | 200mA | 200mW |
| LBSS5240LT1G | PNP | SOT-23 | 40V | 2A | 300mW |
| ZXTP2025FTA | PNP | SOT-23 | 50V | 5A | 1.2W |
| 2SA812 | PNP | SOT-23 | 50V | 100mA | 300mW |
| LBC807-40LT1G | PNP | SOT-23 | 45V | 500mA | 225mW |
| FMMT591ATA | PNP | SOT-23 | 40V | 1A | 500mW |
| MMBT3906Q-7-F | PNP | SOT-23 | 40V | 200mA | 350mW |
| MMBT3906 | PNP | SOT-23 | 40V | 200mA | 200mW |
| DSS5240TQ-7 | PNP | SOT-23 | 40V | 2A | 730mW |
| BC860C | PNP | SOT-23 | 45V | 100mA | 200mW |