| PartNumber | KSE5020S | KSE5740TU | KSE5020AS |
| Description | Bipolar Transistors - BJT NPN Sil Transistor | Darlington Transistors NPN Si Transistor Darlington | TRANS NPN 500V 3A TO-126 |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Bipolar Transistors - BJT | Darlington Transistors | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-126-3 | TO-220-3 | - |
| Transistor Polarity | NPN | NPN | - |
| Configuration | Single | Single | - |
| Collector Emitter Voltage VCEO Max | 500 V | 300 V | - |
| Collector Base Voltage VCBO | 800 V | - | - |
| Emitter Base Voltage VEBO | 7 V | 8 V | - |
| Maximum DC Collector Current | 3 A | 8 A | - |
| Gain Bandwidth Product fT | 18 MHz | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| DC Current Gain hFE Max | 50 | - | - |
| Height | 11 mm | 9.2 mm | - |
| Length | 8 mm | 9.9 mm | - |
| Packaging | Bulk | Tube | - |
| Width | 3.25 mm | 4.5 mm | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Continuous Collector Current | 3 A | - | - |
| DC Collector/Base Gain hfe Min | 15 | 50 | - |
| Pd Power Dissipation | 30 W | - | - |
| Product Type | BJTs - Bipolar Transistors | Darlington Transistors | - |
| Factory Pack Quantity | 250 | 50 | - |
| Subcategory | Transistors | Transistors | - |
| Unit Weight | 0.026843 oz | 0.063493 oz | - |
| Maximum Collector Cut off Current | - | 1000 uA | - |