BCX70J Datasheet & Equivalents
NPN
SOT-23
General Purpose
JSCJ
VCEO
45V
Ic Max
200mA
Pd Max
250mW
hFE Gain
30
Quick Reference
The BCX70J is a NPN bipolar junction transistor in a SOT-23 package, manufactured by JSCJ. It supports a breakdown voltage of 45V and continuous collector current of 200mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | JSCJ | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 45V | Max breakdown voltage |
| Collector Current (Ic) | 200mA | Max current handling |
| Power Dissipation (Pd) | 250mW | Max thermal limit |
| DC Current Gain (hFE) | 30 | Base signal amplification ratio |
| Transition Frequency (fT) | 250MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | - | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | - | Max emitter-base breakdown |
| Collector Cutoff Current | - | Leakage current when OFF |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| MMBT6429LT1G | NPN | SOT-23 | 45V | 200mA | 500 | 225mW | onsemi 📄 PDF |
| NSVMMBT6429LT1G | NPN | SOT-23 | 45V | 200mA | 500 | 225mW | onsemi 📄 PDF |
| BC817-16-7-F | NPN | SOT-23 | 45V | 500mA | 60 | 310mW | DIODES 📄 PDF |
| BC817 | NPN | SOT-23 | 45V | 500mA | - | 300mW | JSMSEMI 📄 PDF |
| BC817 6B 160-400 | NPN | SOT-23 | 45V | 500mA | 100 | 300mW | DOWO 📄 PDF |
| BC817(RANGE:100-250) | NPN | SOT-23 | 45V | 500mA | 100 | 300mW | JSCJ 📄 PDF |
| BC817 | NPN | SOT-23 | 45V | 500mA | 100 | 250mW | Nexperia 📄 PDF |
| 215 | NPN | SOT-23 | 45V | 500mA | 100 | 250mW | Nexperia 📄 PDF |
| BC817-16 | NPN | SOT-23 | 45V | 500mA | 100 | 225mW | onsemi 📄 PDF |
| 215 | NPN | SOT-23 | 45V | 500mA | 100 | 225mW | onsemi 📄 PDF |
| BC817-16LT1G | NPN | SOT-23 | 45V | 500mA | 100 | 350mW | DIODES 📄 PDF |
| BC817-16LT3G | NPN | SOT-23 | 45V | 500mA | 100 | 350mW | DIODES 📄 PDF |
| BC817-25-7-F | NPN | SOT-23 | 45V | 500mA | 100 | 350mW | Nexperia 📄 PDF |
| BC817-25Q-7-F | NPN | SOT-23 | 45V | 500mA | 100 | 300mW | HXY MOSFET 📄 PDF |
| BC817K-16VL | NPN | SOT-23 | 45V | 500mA | 100 | 250mW | Nexperia 📄 PDF |
| BCX19 | NPN | SOT-23 | 45V | 500mA | 100 | 250mW | Nexperia 📄 PDF |
| BCX19 | NPN | SOT-23 | 45V | 500mA | 100 | 200mW | ROHM 📄 PDF |
| 215 | NPN | SOT-23 | 45V | 500mA | 100 | 225mW | LRC 📄 PDF |
| BCX19 | NPN | SOT-23 | 45V | 500mA | 100 | 300mW | R+O 📄 PDF |
| 235 | NPN | SOT-23 | 45V | 500mA | 100 | 300mW | BORN 📄 PDF |