| Part Number | FMMT619TC | FMMT618TC | 
|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | 
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single | 
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| Product Status | Active | Obsolete | 
| Transistor Type | NPN | NPN | 
| Current - Collector (Ic) (Max) | 2 A | 2.5 A | 
| Voltage - Collector Emitter Breakdown (Max) | 50 V | 20 V | 
| Vce Saturation (Max) @ Ib, Ic | 220mV @ 50mA, 2A | 200mV @ 50mA, 2.5A | 
| Current - Collector Cutoff (Max) | 100nA | 100nA | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 200 @ 1A, 2V | 200 @ 2A, 2V | 
| Power - Max | 625 mW | 625 mW | 
| Frequency - Transition | 165MHz | 140MHz | 
| 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 | TO-236-3, SC-59, SOT-23-3 | 
| Supplier Device Package | SOT-23-3 | SOT-23-3 |