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| Part Number | FMMT491TC | FMMT494TC | FMMT495TC | FMMT493TC | FMMT497TC | FMMT591TC | FMMT451TC | FMMT491ATC | FMMT491QTC | FMMT491TA |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| Product Status | Active | Active | Active | Active | Obsolete | Obsolete | Obsolete | Active | Active | Active |
| Transistor Type | NPN | NPN | NPN | NPN | NPN | PNP | NPN | NPN | NPN | NPN |
| Current - Collector (Ic) (Max) | 1 A | 1 A | 1 A | 1 A | 500 mA | 1 A | 1 A | 1 A | 1 A | 1 A |
| Voltage - Collector Emitter Breakdown (Max) | 60 V | 120 V | 150 V | 100 V | 300 V | 60 V | 60 V | 40 V | 60 V | 60 V |
| Vce Saturation (Max) @ Ib, Ic | 250mV @ 100mA, 1A | 300mV @ 50mA, 500mA | 300mV @ 50mA, 500mA | 600mV @ 100mA, 1A | 300mV @ 25mA, 250mA | 350mV @ 100mA, 1A | 350mV @ 15mA, 150mA | 500mV @ 100mA, 1A | 250mV @ 100mA, 1A | 250mV @ 100mA, 1A |
| Current - Collector Cutoff (Max) | 100nA | 100nA | 100nA | 100nA | 100nA | 100nA | 100nA (ICBO) | 100nA | 100nA | 100nA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 500mA, 5V | 100 @ 250mA, 10V | 10 @ 250mA, 10V | 100 @ 250mA, 10V | 80 @ 100mA, 10V | 100 @ 500mA, 5V | 50 @ 150mA, 10V | 300 @ 500mA, 5V | 100 @ 500mA, 5V | 100 @ 500mA, 5V |
| Power - Max | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW |
| Frequency - Transition | 150MHz | 100MHz | 100MHz | 150MHz | 75MHz | 150MHz | 150MHz | 150MHz | 150MHz | 150MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 |
