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| Part Number | FMMTL619TC | FMMT619TC | FMMTL618TC | FMMTL619TA | 
|---|---|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | 
| Product Status | Obsolete | Active | Obsolete | Active | 
| Transistor Type | NPN | NPN | NPN | NPN | 
| Current - Collector (Ic) (Max) | 1.25 A | 2 A | 1.25 A | 1.25 A | 
| Voltage - Collector Emitter Breakdown (Max) | 50 V | 50 V | 20 V | 50 V | 
| Vce Saturation (Max) @ Ib, Ic | 330mV @ 125mA, 1.25A | 220mV @ 50mA, 2A | 350mV @ 200mA, 2A | 330mV @ 125mA, 1.25A | 
| Current - Collector Cutoff (Max) | 10nA | 100nA | 10nA | 10nA | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 200 @ 500mA, 5V | 200 @ 1A, 2V | 250 @ 500mA, 2V | 200 @ 500mA, 5V | 
| Power - Max | 500 mW | 625 mW | 500 mW | 500 mW | 
| Frequency - Transition | 180MHz | 165MHz | 195MHz | 180MHz | 
| Operating Temperature | -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 | 
| 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 | 
| Supplier Device Package | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 |