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| Part Number | BUL42D | BUL49D | BUD42D |
|---|---|---|---|
| Manufacturer | onsemi | STMicroelectronics | onsemi |
| Product Status | Active | Active | Obsolete |
| Transistor Type | - | NPN | NPN |
| Current - Collector (Ic) (Max) | - | 5 A | 4 A |
| Voltage - Collector Emitter Breakdown (Max) | - | 450 V | 350 V |
| Vce Saturation (Max) @ Ib, Ic | - | 1.2V @ 800mA, 4A | 1V @ 500mA, 2A |
| Current - Collector Cutoff (Max) | - | 100µA | 100µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | - | 4 @ 7A, 10V | 10 @ 2A, 5V |
| Power - Max | - | 80 W | 25 W |
| Frequency - Transition | - | - | - |
| Operating Temperature | - | 150°C (TJ) | -65°C ~ 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 |
