BC817-40 Transistor Datasheet & Specifications
NPN
SOT-23-3
General Purpose
UMW
VCEO
45V
Ic Max
500mA
Pd Max
300mW
hFE Gain
250
Quick Reference
The BC817-40 is a NPN bipolar transistor in a SOT-23-3 package by UMW. This datasheet provides complete specifications including 45V breakdown voltage and 500mA continuous collector current. Download the BC817-40 datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | UMW | Original Manufacturer |
| Package | SOT-23-3 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 45V | Breakdown voltage |
| Ic | 500mA | Collector current |
| Pd | 300mW | Power dissipation |
| DC Current Gain | 250 | hFE / Beta |
| Frequency | 100MHz | Transition speed (fT) |
| VCEsat | 700mV | Saturation voltage |
| Vebo | 5V | Emitter-Base voltage |
| Cutoff Current | 100nA | Leakage (ICBO) |
| Temp | -55℃~+150℃ | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| BCV71 | NPN | SOT-23-3 | 60V | 500mA | 350mW |
| STR1550 | NPN | SOT-23-3 | 500V | 500mA | 500mW |
| FMMTL619TA | NPN | SOT-23-3 | 50V | 1.25A | 500mW |
| BCV47 | NPN | SOT-23-3 | 60V | 500mA | 300mW |