MMBT3904 RFG Transistor Datasheet & Specifications
NPN
SOT-23
General Purpose
Taiwan Semiconductor
VCEO
40V
Ic Max
200mA
Pd Max
300mW
hFE Gain
100
Quick Reference
The MMBT3904 RFG is a NPN bipolar transistor in a SOT-23 package by Taiwan Semiconductor. This datasheet provides complete specifications including 40V breakdown voltage and 200mA continuous collector current. Download the MMBT3904 RFG datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | Taiwan Semiconductor | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 40V | Breakdown voltage |
| Ic | 200mA | Collector current |
| Pd | 300mW | Power dissipation |
| DC Current Gain | 100 | hFE / Beta |
| Frequency | 250MHz | Transition speed (fT) |
| VCEsat | 300mV | Saturation voltage |
| Vebo | 6V | Emitter-Base voltage |
| Cutoff Current | 50nA | Leakage (ICBO) |
| Temp | -55℃~+150℃ | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| MMBTA05(RANGE:100-400) | NPN | SOT-23 | 60V | 500mA | 300mW |
| ZXTN2020FTA | NPN | SOT-23 | 100V | 4A | 1.2W |
| 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 |
| DN350T05-7 | NPN | SOT-23 | 350V | 500mA | 300mW |
| DNBT8105-7 | NPN | SOT-23 | 60V | 1A | 600mW |
| FMMT458TA | NPN | SOT-23 | 400V | 225mA | 500mW |
| MMBTA42 | NPN | SOT-23 | 200V | 500mA | 350mW |