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| Part Number | BUL49D | BUL39D | BUL42D |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | onsemi |
| Product Status | Active | Obsolete | Active |
| Transistor Type | NPN | NPN | - |
| Current - Collector (Ic) (Max) | 5 A | 4 A | - |
| Voltage - Collector Emitter Breakdown (Max) | 450 V | 450 V | - |
| Vce Saturation (Max) @ Ib, Ic | 1.2V @ 800mA, 4A | 1.1V @ 500mA, 2.5A | - |
| Current - Collector Cutoff (Max) | 100µA | 100µA | - |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 4 @ 7A, 10V | 10 @ 10mA, 5V | - |
| Power - Max | 80 W | 70 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 | - |
