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| Part Number | FMMT491QTC |
| Description | SS MID-PERF TRANSISTOR SOT23 TR |
| Manufacturer | Diodes Incorporated |
| Series | Automotive, AEC-Q101 |
| Part Status | Active |
| Transistor Type | NPN |
| Current - Collector (Ic) (Max) | 1A |
| Voltage - Collector Emitter Breakdown (Max) | 60V |
| Vce Saturation (Max) @ Ib, Ic | 250mV @ 100mA, 1A |
| Current - Collector Cutoff (Max) | 100nA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 500mA, 5V |
| Power - Max | 500mW |
| Frequency - Transition | 150MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23 |