| PartNumber | STL128D | STL128DFP | STL128DNFP |
| Description | Bipolar Transistors - BJT High voltage fast switching NPN power transistor | Bipolar Transistors - BJT High Voltage NPN 700V Power Trans | TRANS NPN 400V 4A TO-220FP |
| Manufacturer | STMicroelectronics | - | - |
| Product Category | Bipolar Transistors - BJT | - | - |
| RoHS | Y | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | TO-220-3 | - | - |
| Transistor Polarity | NPN | - | - |
| Configuration | Single | - | - |
| Collector Emitter Voltage VCEO Max | 400 V | - | - |
| Emitter Base Voltage VEBO | 18 V | - | - |
| Collector Emitter Saturation Voltage | 500 mV | - | - |
| Maximum Operating Temperature | + 150 C | - | - |
| Series | STL128D | - | - |
| Brand | STMicroelectronics | - | - |
| Pd Power Dissipation | 65 W | - | - |
| Product Type | BJTs - Bipolar Transistors | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | Transistors | - | - |
| Unit Weight | 0.063493 oz | - | - |