MMBT3904M Datasheet & Equivalents
NPN
SOT-723
General Purpose
TECH PUBLIC
VCEO
40V
Ic Max
200mA
Pd Max
100mW
hFE Gain
40
Quick Reference
The MMBT3904M is a NPN bipolar junction transistor in a SOT-723 package, manufactured by TECH PUBLIC. It supports a breakdown voltage of 40V and continuous collector current of 200mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | TECH PUBLIC | Original Manufacturer |
| Package | SOT-723 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 40V | Max breakdown voltage |
| Collector Current (Ic) | 200mA | Max current handling |
| Power Dissipation (Pd) | 100mW | Max thermal limit |
| DC Current Gain (hFE) | 40 | Base signal amplification ratio |
| Transition Frequency (fT) | 300MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 300mV | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 6V | Max emitter-base breakdown |
| Collector Cutoff Current | 50nA | Leakage current when OFF |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| MMBT3904M 1N | NPN | SOT-723 | 40V | 200mA | 40 | 100mW | JSCJ 📄 PDF |
| MMBT3904T7 | NPN | SOT-723 | 40V | 200mA | 300 | 100mW | Siliup 📄 PDF |