| Part Number | SMMBT3904LT1G | SMMBT3904WT1G | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single | 
|   |   | |
| Product Status | Active | Active | 
| Transistor Type | NPN | NPN | 
| Current - Collector (Ic) (Max) | 200 mA | 200 mA | 
| Voltage - Collector Emitter Breakdown (Max) | 40 V | 40 V | 
| Vce Saturation (Max) @ Ib, Ic | 300mV @ 5mA, 50mA | 300mV @ 5mA, 50mA | 
| Current - Collector Cutoff (Max) | - | - | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 10mA, 1V | 100 @ 10mA, 1V | 
| Power - Max | 300 mW | 150 mW | 
| Frequency - Transition | 300MHz | 300MHz | 
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | TO-236-3, SC-59, SOT-23-3 | SC-70, SOT-323 | 
| Supplier Device Package | SOT-23-3 (TO-236) | SC-70-3 (SOT323) |