| Part Number | BUL39D | BUL38D |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Obsolete | Active |
| Transistor Type | NPN | NPN |
| Current - Collector (Ic) (Max) | 4 A | 5 A |
| Voltage - Collector Emitter Breakdown (Max) | 450 V | 450 V |
| Vce Saturation (Max) @ Ib, Ic | 1.1V @ 500mA, 2.5A | 1.1V @ 750mA, 3A |
| Current - Collector Cutoff (Max) | 100µA | 250µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 10 @ 10mA, 5V | 10 @ 10mA, 5V |
| Power - Max | 70 W | 80 W |
| Frequency - Transition | - | - |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-220-3 | TO-220-3 |
| Supplier Device Package | TO-220 | TO-220 |