MMST3904 Transistor Datasheet & Specifications
NPN
SOT-323
General Purpose
MSKSEMI
VCEO
40V
Ic Max
200mA
Pd Max
200mW
hFE Gain
100
Quick Reference
The MMST3904 is a NPN bipolar transistor in a SOT-323 package by MSKSEMI. This datasheet provides complete specifications including 40V breakdown voltage and 200mA continuous collector current. Download the MMST3904 datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | MSKSEMI | Original Manufacturer |
| Package | SOT-323 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 40V | Breakdown voltage |
| Ic | 200mA | Collector current |
| Pd | 200mW | Power dissipation |
| DC Current Gain | 100 | hFE / Beta |
| Frequency | 300MHz | Transition speed (fT) |
| VCEsat | 250mV | Saturation voltage |
| Vebo | 5V | Emitter-Base voltage |
| Cutoff Current | 60nA | Leakage (ICBO) |
| Temp | -55℃~+150℃ | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| MMST4401-7-F | NPN | SOT-323 | 40V | 600mA | 200mW |
| MMSTA42-7-F | NPN | SOT-323 | 300V | 200mA | 200mW |
| MMST3904-7-F | NPN | SOT-323 | 40V | 200mA | 200mW |
| BC817-40W-7 | NPN | SOT-323 | 45V | 500mA | 200mW |
| MMST2222A-7-F | NPN | SOT-323 | 40V | 600mA | 200mW |
| DSS4160U-7 | NPN | SOT-323 | 60V | 1A | 400mW |
| PMST4401,115 | NPN | SOT-323 | 40V | 600mA | 200mW |
| BC817-25W,115 | NPN | SOT-323 | 45V | 500mA | 200mW |
| PMST3904,115 | NPN | SOT-323 | 40V | 200mA | 200mW |
| ZUMT491 | NPN | SOT-323 | 60V | 1A | 250mW |