| PartNumber | TIP31CG | TIP31G | TIP31CTU |
| Description | Bipolar Transistors - BJT 3A 100V 40W NPN | Bipolar Transistors - BJT 3A 40V 40W NPN | TRANS NPN 100V 3A TO-220 |
| Manufacturer | ON Semiconductor | ON Semiconductor | FAIRCHILD |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Transistors (BJT) - Single |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-220-3 | TO-220-3 | - |
| Transistor Polarity | NPN | NPN | NPN |
| Configuration | Single | Single | Single |
| Collector Emitter Voltage VCEO Max | 100 V | 40 V | - |
| Collector Base Voltage VCBO | 100 V | 40 V | - |
| Emitter Base Voltage VEBO | 5 V | 5 V | - |
| Collector Emitter Saturation Voltage | 1.2 V | 1.2 V | - |
| Maximum DC Collector Current | 3 A | 3 A | 3 A |
| Gain Bandwidth Product fT | 3 MHz | 3 MHz | 3 MHz |
| Minimum Operating Temperature | - 65 C | - 65 C | - 65 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Series | TIP31C | TIP31A | - |
| Height | 15.75 mm | 15.75 mm | - |
| Length | 10.53 mm | 10.53 mm | - |
| Packaging | Tube | Tube | Tube |
| Width | 4.83 mm | 4.83 mm | - |
| Brand | ON Semiconductor | ON Semiconductor | - |
| Continuous Collector Current | 3 A | 3 A | 3 A |
| DC Collector/Base Gain hfe Min | 25 | 25 | - |
| Pd Power Dissipation | 40 W | 40 W | - |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | - |
| Factory Pack Quantity | 50 | 50 | - |
| Subcategory | Transistors | Transistors | - |
| Unit Weight | 0.211644 oz | 0.211644 oz | 0.042823 oz |
| Package Case | - | - | TO-220-3 |
| Pd Power Dissipation | - | - | 40 W |
| Collector Emitter Voltage VCEO Max | - | - | 100 V |
| Collector Base Voltage VCBO | - | - | 100 V |
| Emitter Base Voltage VEBO | - | - | 5 V |
| DC Collector Base Gain hfe Min | - | - | 10 |
| DC Current Gain hFE Max | - | - | 50 |