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| Part Number | FMMT549TA | FMMT589TA | FMMT549TC | FMMT449TA | FMMT549ATA | 
|---|---|---|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | 
| Product Status | Active | Active | Obsolete | Active | Active | 
| Transistor Type | PNP | PNP | PNP | NPN | PNP | 
| Current - Collector (Ic) (Max) | 1 A | 1 A | 1 A | 1 A | 1 A | 
| Voltage - Collector Emitter Breakdown (Max) | 30 V | 30 V | 30 V | 30 V | 30 V | 
| Vce Saturation (Max) @ Ib, Ic | 750mV @ 200mA, 2A | 650mV @ 200mA, 2A | 750mV @ 200mA, 2A | 1V @ 200mA, 2A | 300mV @ 1mA, 100mA | 
| Current - Collector Cutoff (Max) | 100nA (ICBO) | 100nA | 100nA (ICBO) | 100nA (ICBO) | 100nA (ICBO) | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 500mA, 2V | 100 @ 500mA, 2V | 100 @ 500mA, 2V | 100 @ 500mA, 2V | 150 @ 500mA, 2V | 
| Power - Max | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW | 
| Frequency - Transition | 100MHz | 100MHz | 100MHz | 150MHz | 100MHz | 
| 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) | 
| Mounting Type | 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 | 
| Supplier Device Package | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 |