| Part Number | FZT857QTA | FZT851QTA |
|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Active | Active |
| Transistor Type | NPN | NPN |
| Current - Collector (Ic) (Max) | 3.5 A | 6 A |
| Voltage - Collector Emitter Breakdown (Max) | 300 V | 60 V |
| Vce Saturation (Max) @ Ib, Ic | 345mV @ 600mA, 3.5A | 375mV @ 300mA, 6A |
| Current - Collector Cutoff (Max) | 50nA | 50nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 500mA, 10V | 100 @ 2A, 1V |
| Power - Max | 1.6 W | 3 W |
| Frequency - Transition | 80MHz | 130MHz |
| 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 |