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| PartNumber | BD239-S | BD239 | BD239A |
| Description | Bipolar Transistors - BJT 45V 2A NPN | Bipolar Transistors - BJT 30W NPN Silicon | Bipolar Transistors - BJT 30W NPN Silicon |
| Manufacturer | Bourns | NXP | FAIRCHILD |
| Product Category | Bipolar Transistors - BJT | Transistors (BJT) - Single | Transistors (BJT) - Single |
| Mounting Style | Through Hole | - | Through Hole |
| Package / Case | TO-220-3 | - | - |
| Transistor Polarity | NPN | - | NPN |
| Configuration | Single | - | Single |
| Collector Emitter Voltage VCEO Max | 45 V | - | - |
| Emitter Base Voltage VEBO | 5 V | - | - |
| Maximum DC Collector Current | 2 A | - | 2 A |
| Minimum Operating Temperature | - 65 C | - | - 65 C |
| Maximum Operating Temperature | + 150 C | - | + 150 C |
| Height | 9.3 mm | - | - |
| Length | 10.4 mm | - | - |
| Width | 4.7 mm | - | - |
| Brand | Bourns | - | - |
| Continuous Collector Current | 2 A | - | 2 A |
| DC Collector/Base Gain hfe Min | 40 at 200 mA, 4 V, 15 at 1 A, 4 V | - | - |
| Pd Power Dissipation | 30 W | - | - |
| Product Type | BJTs - Bipolar Transistors | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | Transistors | - | - |
| Unit Weight | 0.211644 oz | - | 0.063493 oz |
| Packaging | - | - | Tube |
| Package Case | - | - | TO-220-3 |
| Pd Power Dissipation | - | - | 30 W |
| Collector Emitter Voltage VCEO Max | - | - | 70 V |
| Collector Emitter Saturation Voltage | - | - | 0.7 V |
| Emitter Base Voltage VEBO | - | - | 5 V |
| DC Collector Base Gain hfe Min | - | - | 40 |