STMicroelectronics · Discrete semiconductors
MMBT3904
TRANS NPN 40V 0.2A SOT23-3
STM32-first sourcing with STMicroelectronics support components. Review recorded cores, flash, RAM, connectivity and package facts before moving an approved design into production.
Request this exact part →MMBT3904 specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | MMBT3904 |
| Family | Discrete semiconductors |
| Package | TO-236-3, SC-59, SOT-23-3 |
| Product Status | Obsolete |
| Transistor Type | NPN |
| Current - Collector (Ic) (Max) | 200 mA |
| Voltage - Collector Emitter Breakdown (Max) | 40 V |
| Vce Saturation (Max) @ Ib, Ic | 200mV @ 5mA, 50mA |
| Current - Collector Cutoff (Max) | Not provided in source |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 10mA, 1V |
| Power - Max | 350 mW |
| Frequency - Transition | 270MHz |
| Operating Temperature | 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 |
Documents and evidence
MMBT3904 ↗Before sourcing MMBT3904
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
Questions about MMBT3904
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