BC817-40W Transistor Datasheet & Specifications
NPN
SOT-323
General Purpose
LGE
VCEO
45V
Ic Max
500mA
Pd Max
200mW
hFE Gain
600
Quick Reference
The BC817-40W is a NPN bipolar transistor in a SOT-323 package by LGE. This datasheet provides complete specifications including 45V breakdown voltage and 500mA continuous collector current. Download the BC817-40W datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | LGE | Original Manufacturer |
| Package | SOT-323 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 45V | Breakdown voltage |
| Ic | 500mA | Collector current |
| Pd | 200mW | Power dissipation |
| DC Current Gain | 600 | 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 |
|---|---|---|---|---|---|
| BC817-40W-7 | NPN | SOT-323 | 45V | 500mA | 200mW |
| DSS4160U-7 | NPN | SOT-323 | 60V | 1A | 400mW |
| BC817-25W,115 | NPN | SOT-323 | 45V | 500mA | 200mW |
| ZUMT491 | NPN | SOT-323 | 60V | 1A | 250mW |
| BC817W,115 | NPN | SOT-323 | 45V | 500mA | 290mW |
| BC817-40W | NPN | SOT-323 | 65V | 500mA | 200mW |
| BC817-40W | NPN | SOT-323 | 45V | 500mA | 200mW |
| MMSTA05-7-F | NPN | SOT-323 | 60V | 500mA | 200mW |
| 2SC5876U3T106Q | NPN | SOT-323 | 60V | 500mA | 200mW |
| MMST5551-JSM | NPN | SOT-323 | 160V | 600mA | 200mW |