| PartNumber | BUF420AW | BUF420M | BUF410A |
| Description | Bipolar Transistors - BJT NPN High Volt Power | Bipolar Transistors - BJT NPN High Volt Power | TRANS NPN 450V 15A TO-247 |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-247-3 | TO-3 | - |
| Transistor Polarity | NPN | NPN | - |
| Configuration | Single | Single | - |
| Collector Emitter Voltage VCEO Max | 450 V | 450 V | - |
| Collector Base Voltage VCBO | 1000 V | 850 V | - |
| Emitter Base Voltage VEBO | 7 V | 7 V | - |
| Collector Emitter Saturation Voltage | 0.8 V | - | - |
| Maximum DC Collector Current | 30 A | 30 A | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Series | BUF420AW | BUF420M | - |
| Height | 20.15 mm | 8.7 mm (Max) | - |
| Length | 15.75 mm | 39.5 mm (Max) | - |
| Width | 5.15 mm | 26.2 mm (Max) | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Continuous Collector Current | 30 A | 30 A | - |
| Pd Power Dissipation | 200 W | 275 W | - |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | - |
| Factory Pack Quantity | 600 | 20 | - |
| Subcategory | Transistors | Transistors | - |
| Unit Weight | 0.229281 oz | 0.225789 oz | - |
| Packaging | - | Tube | - |