| PartNumber | STN851 | STN851-A |
| Description | Bipolar Transistors - BJT NPN Lo-Volt Fast Sw | Bipolar Transistors - BJT Low voltage NPN Power Transistor |
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | SOT-223-4 | SOT-223-4 |
| Transistor Polarity | NPN | NPN |
| Configuration | Single | Single |
| Collector Emitter Voltage VCEO Max | 60 V | 60 V |
| Collector Base Voltage VCBO | 150 V | 150 V |
| Emitter Base Voltage VEBO | 7 V | 7 V |
| Collector Emitter Saturation Voltage | 320 mV | 500 mV |
| Maximum DC Collector Current | 5 A | 5 A |
| Gain Bandwidth Product fT | 130 MHz | 130 MHz |
| Minimum Operating Temperature | - 65 C | - |
| Maximum Operating Temperature | + 150 C | - |
| Series | STN851 | STN851-A |
| DC Current Gain hFE Max | 350 | - |
| Height | 1.8 mm | - |
| Length | 6.5 mm | - |
| Packaging | Reel | Reel |
| Width | 3.5 mm | - |
| Brand | STMicroelectronics | STMicroelectronics |
| DC Collector/Base Gain hfe Min | 150 | - |
| Pd Power Dissipation | 1.6 W | 1.6 W |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 1000 | 1000 |
| Subcategory | Transistors | Transistors |
| Unit Weight | 0.003951 oz | 0.003951 oz |
| Continuous Collector Current | - | 5 A |