| PartNumber | BULD741T4 | BULD742CT4 |
| Description | Bipolar Transistors - BJT PWR BIP/S.SIGNAL | Bipolar Transistors - BJT HI VLTG FAST SWITCH NPN PWR TRANSISTOR |
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | Y |
| Package / Case | DPAK-3 | DPAK-3 |
| Transistor Polarity | NPN | NPN |
| Configuration | Single | Single |
| Collector Emitter Voltage VCEO Max | 400 V | 400 V |
| Emitter Base Voltage VEBO | 15 V | 15 V |
| Maximum DC Collector Current | 2.5 A | 4 A |
| Minimum Operating Temperature | - 65 C | - 65 C |
| Maximum Operating Temperature | + 150 C | + 150 C |
| Series | BULD741 | BULD742C |
| Height | 2.4 mm (Max) | 2.4 mm |
| Length | 6.6 mm (Max) | 6.6 mm |
| Packaging | Reel | Reel |
| Width | 6.2 mm (Max) | 6.2 mm |
| Brand | STMicroelectronics | STMicroelectronics |
| DC Collector/Base Gain hfe Min | 48 | 48 at 100 mA, 5 V, 25 at 800 mA, 3 V |
| Pd Power Dissipation | 30000 mW | 45 W |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 2500 | 2500 |
| Subcategory | Transistors | Transistors |
| Unit Weight | 0.009185 oz | 0.012346 oz |
| Mounting Style | - | SMD/SMT |
| Continuous Collector Current | - | 4 A |