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| PartNumber | BULD118D-1 | BULD128DT4 |
| Description | Bipolar Transistors - BJT PTD HIGH VOLTAGE | 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 | SMD/SMT |
| Package / Case | TO-251-3 | - |
| Transistor Polarity | NPN | NPN |
| Configuration | Single | - |
| Collector Emitter Voltage VCEO Max | 400 V | - |
| Collector Base Voltage VCBO | 700 V | - |
| Emitter Base Voltage VEBO | 9 V | - |
| Maximum DC Collector Current | 2 A | - |
| Minimum Operating Temperature | - 65 C | - |
| Maximum Operating Temperature | + 150 C | - |
| Series | BULD118D | BULD128 |
| Height | 6.2 mm | - |
| Length | 6.6 mm | - |
| Width | 2.4 mm | - |
| Brand | STMicroelectronics | STMicroelectronics |
| Pd Power Dissipation | 20000 mW | - |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 3000 | 2500 |
| Subcategory | Transistors | Transistors |
| Unit Weight | 0.012102 oz | - |
| Packaging | - | Reel |