BCX19 Transistor Datasheet & Specifications
NPNSOT-23General Purpose
VCEO
45V
Ic Max
500mA
Pd Max
300mW
Gain
100
Quick Reference
The BCX19 is a NPN bipolar transistor in a SOT-23 package. This datasheet provides complete specifications including 45V breakdown voltage and 500mA continuous collector current. Download the BCX19 datasheet PDF below for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | HXY MOSFET | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| VCEO | 45V | Breakdown voltage |
| IC Max | 500mA | Collector current |
| Pd Max | 300mW | Power dissipation |
| Gain | 100 | DC current gain |
| Frequency | 100MHz | Transition speed |
| VCEsat | 700mV | Saturation voltage |
| Vebo | 5V | Emitter-Base voltage |
| Temp | - | Operating temp |
Direct Replacements & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| FMMT491ATA | NPN | SOT-23 | 40V | 1A | 500mW |
| BC817-16LT1G | NPN | SOT-23 | 45V | 500mA | 225mW |
| BC817-40LT1G | NPN | SOT-23 | 45V | 500mA | 225mW |
| MMBT3904-7-F | NPN | SOT-23 | 40V | 200mA | 310mW |
| S9014 | NPN | SOT-23 | 45V | 100mA | 300mW |
| ZXTN2040FTA | NPN | SOT-23 | 40V | 1A | 310mW |
| BC817-40Q-7-F | NPN | SOT-23 | 45V | 500mA | 310mW |
| BC847B-7-F | NPN | SOT-23 | 45V | 100mA | 300mW |
| MMBT3904 | NPN | SOT-23 | - | 40V | 200mA |
| MMBT4401 | NPN | SOT-23 | 40V | 600mA | 300mW |