| PartNumber | ZTX851 | ZTX851STZ | ZTX851STOB |
| Description | Bipolar Transistors - BJT NPN Big Chip SELine | Bipolar Transistors - BJT NPN Big Chip SELine | Bipolar Transistors - BJT NPN Big Chip SELine |
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| 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-92-3 | TO-92-3 | TO-92-3 |
| Transistor Polarity | NPN | NPN | NPN |
| Configuration | Single | Single | Single |
| Collector Emitter Voltage VCEO Max | 60 V | 60 V | 60 V |
| Collector Base Voltage VCBO | 150 V | 150 V | 150 V |
| Emitter Base Voltage VEBO | 6 V | 6 V | 6 V |
| Collector Emitter Saturation Voltage | 180 mV | 250 mV | 180 mV |
| Maximum DC Collector Current | 5 A | 5 A | 5 A |
| Gain Bandwidth Product fT | 130 MHz | 130 MHz | 130 MHz |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Series | ZTX851 | ZTX851 | - |
| Height | 4.01 mm | 4.01 mm | 4.01 mm |
| Length | 4.77 mm | 4.77 mm | 4.77 mm |
| Packaging | Bulk | Ammo Pack | Bulk |
| Width | 2.41 mm | 2.41 mm | 2.41 mm |
| Brand | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| Continuous Collector Current | 5 A | 5 A | 5 A |
| Pd Power Dissipation | 1.2 W | 1.2 W | 1.2 W |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 4000 | 2000 | 4000 |
| Subcategory | Transistors | Transistors | Transistors |
| Unit Weight | 0.016000 oz | 0.016000 oz | 0.016000 oz |
| DC Current Gain hFE Max | - | 120 | 100 at 10 mA, 1 V |
| DC Collector/Base Gain hfe Min | - | 75 | - |