| PartNumber | BD237 | BD237G | BD237STU |
| Description | Bipolar Transistors - BJT NPN General Purpose | Bipolar Transistors - BJT 2A 80V 25W NPN | Bipolar Transistors - BJT NPN Epitaxial Sil |
| Manufacturer | STMicroelectronics | ON Semiconductor | ON Semiconductor |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | Through Hole | Through Hole |
| Package / Case | SOT-32-3 | TO-225-3 | TO-126-3 |
| Transistor Polarity | NPN | NPN | NPN |
| Configuration | Single | Single | Single |
| Collector Emitter Voltage VCEO Max | 80 V | 80 V | 80 V |
| Collector Base Voltage VCBO | 80 V | 100 V | 100 V |
| Emitter Base Voltage VEBO | 5 V | 5 V | 5 V |
| Collector Emitter Saturation Voltage | 0.6 V | 0.6 V | - |
| Maximum DC Collector Current | 2 A | 2 A | 2 A |
| Gain Bandwidth Product fT | 3 MHz | 3 MHz | 3 MHz |
| Minimum Operating Temperature | - 65 C | - 55 C | - 65 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Series | BD237 | BD237 | BD237 |
| Height | 10.8 mm (Max) | 11.04 mm | 11 mm |
| Length | 7.8 mm (Max) | 7.74 mm | 8 mm |
| Packaging | Tube | Bulk | Tube |
| Width | 2.7 mm (Max) | 2.66 mm | 3.25 mm |
| Brand | STMicroelectronics | ON Semiconductor | ON Semiconductor / Fairchild |
| Continuous Collector Current | 2 A | 2 A | 2 A |
| DC Collector/Base Gain hfe Min | 40 | 40 | 40 |
| Pd Power Dissipation | 25 W | 25 W | 25 W |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 2000 | 500 | 1920 |
| Subcategory | Transistors | Transistors | Transistors |
| Unit Weight | 0.002116 oz | 0.023986 oz | 0.026843 oz |
| Part # Aliases | - | - | BD237STU_NL |