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| PartNumber | KSE803S | KSE803STU | KSE803 |
| Description | Darlington Transistors NPN Epitaxial Sil Darl | TRANS NPN DARL 80V 4A TO-126 | |
| Manufacturer | ON Semiconductor | - | SEC |
| Product Category | Darlington Transistors | - | Transistors (BJT) - Single |
| RoHS | Y | - | - |
| Configuration | Single | - | - |
| Transistor Polarity | NPN | - | - |
| Collector Emitter Voltage VCEO Max | 80 V | - | - |
| Emitter Base Voltage VEBO | 5 V | - | - |
| Collector Base Voltage VCBO | 80 V | - | - |
| Maximum DC Collector Current | 4 A | - | - |
| Maximum Collector Cut off Current | 100 uA | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | TO-126 | - | - |
| Maximum Operating Temperature | + 150 C | - | - |
| Packaging | Bulk | - | - |
| Height | 11 mm | - | - |
| Length | 8 mm | - | - |
| Width | 3.25 mm | - | - |
| Brand | ON Semiconductor / Fairchild | - | - |
| DC Collector/Base Gain hfe Min | 100 | - | - |
| Product Type | Darlington Transistors | - | - |
| Factory Pack Quantity | 250 | - | - |
| Subcategory | Transistors | - | - |
| Unit Weight | 0.026843 oz | - | - |