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| Part Number | MMBT3906T | MMBT3904T | MMBT3906 | MMBT3906K | 
|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | NTE Electronics, Inc | Fairchild Semiconductor | 
| Product Status | Obsolete | Obsolete | Active | Obsolete | 
| Transistor Type | PNP | NPN | PNP | PNP | 
| Current - Collector (Ic) (Max) | 200 mA | 200 mA | 200 mA | 200 mA | 
| Voltage - Collector Emitter Breakdown (Max) | 40 V | 40 V | 40 V | 40 V | 
| Vce Saturation (Max) @ Ib, Ic | 400mV @ 5mA, 50mA | 300mV @ 5mA, 50mA | 400mV @ 5mA, 50mA | 400mV @ 5mA, 50mA | 
| Current - Collector Cutoff (Max) | - | - | - | - | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 10mA, 1V | 100 @ 10mA, 1V | 100 @ 10mA, 1V | 100 @ 10mA, 1V | 
| Power - Max | 250 mW | 250 mW | 350 mW | 350 mW | 
| Frequency - Transition | 250MHz | 300MHz | 250MHz | 250MHz | 
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | SC-89, SOT-490 | SC-89, SOT-490 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | 
| Supplier Device Package | SC-89-3 | SC-89-3 | SOT-23-3 | SOT-23-3 |