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| PartNumber | BUL49D | BUL49DFP | BUL49D(E) |
| Description | Bipolar Transistors - BJT NPN Hi-Volt Fast Sw | Bipolar Transistors - BJT PWR BIP/S.SIGNAL | |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-220-3 | TO-220FP-3 | - |
| Transistor Polarity | NPN | NPN | - |
| Configuration | Single | Single | - |
| Collector Emitter Voltage VCEO Max | 450 V | 450 V | - |
| Collector Base Voltage VCBO | 850 V | - | - |
| Emitter Base Voltage VEBO | 10 V | 10 V | - |
| Collector Emitter Saturation Voltage | 1.2 V | - | - |
| Maximum DC Collector Current | 5 A | 5 A | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Series | BUL49D | BUL49D | - |
| Height | 9.15 mm (Max) | 9.3 mm (Max) | - |
| Length | 10.4 mm (Max) | 10.4 mm (Max) | - |
| Packaging | Tube | Tube | - |
| Width | 4.6 mm (Max) | 4.6 mm (Max) | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Continuous Collector Current | 5 A | - | - |
| Pd Power Dissipation | 80 W | 80000 mW | - |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | - |
| Factory Pack Quantity | 1000 | 50 | - |
| Subcategory | Transistors | Transistors | - |
| Unit Weight | 0.211644 oz | 0.081130 oz | - |