| Part Number | FZT603TA | FZT603QTA | 
|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | 
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single | 
|   |   | |
| Product Status | Active | Active | 
| Transistor Type | NPN - Darlington | NPN - Darlington | 
| Current - Collector (Ic) (Max) | 2 A | 2 A | 
| Voltage - Collector Emitter Breakdown (Max) | 80 V | 80 V | 
| Vce Saturation (Max) @ Ib, Ic | 1.13V @ 20mA, 2A | 1.13V @ 20mA, 2A | 
| Current - Collector Cutoff (Max) | 10µA | 10µA | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 5000 @ 500mA, 5V | 5000 @ 500mA, 5V | 
| Power - Max | 2 W | 1.2 W | 
| Frequency - Transition | 150MHz | 150MHz | 
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | TO-261-4, TO-261AA | TO-261-4, TO-261AA | 
| Supplier Device Package | SOT-223-3 | SOT-223-3 |