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| PartNumber | BD743-S | BD743 | BD743/A/B/C |
| Description | Bipolar Transistors - BJT 45V 15A NPN | Bipolar Transistors - BJT 90W NPN Silicon | |
| Manufacturer | Bourns | - | - |
| Product Category | Bipolar Transistors - BJT | - | - |
| RoHS | Y | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | TO-220-3 | - | - |
| Transistor Polarity | NPN | - | - |
| Configuration | Single | - | - |
| Collector Emitter Voltage VCEO Max | 45 V | - | - |
| Collector Base Voltage VCBO | 50 V | - | - |
| Emitter Base Voltage VEBO | 5 V | - | - |
| Maximum DC Collector Current | 15 A | - | - |
| Minimum Operating Temperature | - 65 C | - | - |
| Maximum Operating Temperature | + 150 C | - | - |
| Height | 8.72 mm (Max) | - | - |
| Length | 10.4 mm (Max) | - | - |
| Packaging | Reel | - | - |
| Width | 4.7 mm (Max) | - | - |
| Brand | Bourns | - | - |
| DC Collector/Base Gain hfe Min | 40 | - | - |
| Pd Power Dissipation | 90000 mW | - | - |
| Product Type | BJTs - Bipolar Transistors | - | - |
| Factory Pack Quantity | 15000 | - | - |
| Subcategory | Transistors | - | - |
| Unit Weight | 0.211644 oz | - | - |