| Part Number | ST901T | STD901T |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Active | Active |
| Transistor Type | NPN - Darlington | NPN - Darlington |
| Current - Collector (Ic) (Max) | 4 A | 4 A |
| Voltage - Collector Emitter Breakdown (Max) | 350 V | 350 V |
| Vce Saturation (Max) @ Ib, Ic | 2V @ 20mA, 2A | 2V @ 20mA, 2A |
| Current - Collector Cutoff (Max) | 100µA | 100µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 1800 @ 2A, 2V | 1800 @ 2A, 2V |
| Power - Max | 100 W | 35 W |
| Frequency - Transition | - | - |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Through Hole | Surface Mount |
| Package / Case | TO-220-3 | TO-252-3, DPak (2 Leads + Tab), SC-63 |
| Supplier Device Package | TO-220 | DPAK |