| PartNumber | KSD73Y | KSD73YTU | KSD73YTSTU |
| Description | Bipolar Transistors - BJT NPN Epitaxial Sil | Bipolar Transistors - BJT NPN Si Transistor Epitaxial | Bipolar Transistors - BJT NPN Epitaxial Sil Short Leads |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-220-3 | TO-220-3 | TO-220-3 |
| Transistor Polarity | NPN | NPN | NPN |
| Configuration | Single | Single | Single |
| Collector Emitter Voltage VCEO Max | 80 V | 80 V | 80 V |
| Collector Base Voltage VCBO | 100 V | 100 V | 100 V |
| Emitter Base Voltage VEBO | 5 V | 5 V | 5 V |
| Maximum DC Collector Current | 5 A | 5 A | 5 A |
| Gain Bandwidth Product fT | 20 MHz | 20 MHz | 20 MHz |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| DC Current Gain hFE Max | 240 | 240 | 240 |
| Height | 9.4 mm (Max) | 9.4 mm (Max) | 9.4 mm (Max) |
| Length | 10.1 mm (Max) | 10.1 mm (Max) | 10.1 mm (Max) |
| Packaging | Bulk | Tube | Tube |
| Width | 4.7 mm (Max) | 4.7 mm (Max) | 4.7 mm (Max) |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Continuous Collector Current | 5 A | 5 A | 5 A |
| DC Collector/Base Gain hfe Min | 70 | 70 | 70 |
| Pd Power Dissipation | 30 W | 30 W | 30 W |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 200 | 50 | 50 |
| Subcategory | Transistors | Transistors | Transistors |
| Unit Weight | 0.080072 oz | 0.080072 oz | 0.080072 oz |
| Part # Aliases | - | KSD73YTU_NL | KSD73YTSTU_NL |