| Part Number | BUL42D | BUL49D |
|---|---|---|
| Manufacturer | onsemi | STMicroelectronics |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
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| Product Status | Active | Active |
| Transistor Type | - | NPN |
| Current - Collector (Ic) (Max) | - | 5 A |
| Voltage - Collector Emitter Breakdown (Max) | - | 450 V |
| Vce Saturation (Max) @ Ib, Ic | - | 1.2V @ 800mA, 4A |
| Current - Collector Cutoff (Max) | - | 100µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | - | 4 @ 7A, 10V |
| Power - Max | - | 80 W |
| Frequency - Transition | - | - |
| Operating Temperature | - | 150°C (TJ) |
| Mounting Type | - | Through Hole |
| Package / Case | - | TO-220-3 |
| Supplier Device Package | - | TO-220 |