| PartNumber | BCW66HQTA | BCW66HR | BCW66HTA |
| Description | Bipolar Transistors - BJT General Purpose Transistor | Bipolar Transistors - BJT BCW66H/SOT23/TO-236A | Bipolar Transistors - BJT NPN Low Saturation |
| Manufacturer | Diodes Incorporated | Nexperia | Diodes Incorporated |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | Y | Y |
| Technology | Si | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOT-23-3 | SOT-23-3 | SOT-23-3 |
| Transistor Polarity | NPN | NPN | NPN |
| Configuration | Single | Single | Single |
| Collector Emitter Voltage VCEO Max | 45 V | 45 V | 45 V |
| Collector Base Voltage VCBO | 75 V | 50 V | 75 V |
| Emitter Base Voltage VEBO | 7 V | 5 V | 5 V |
| Collector Emitter Saturation Voltage | 0.7 mV | 450 mV | 700 mV |
| Maximum DC Collector Current | 800 mA | 800 mA | 1 A |
| Gain Bandwidth Product fT | 100 MHz | 100 MHz | 100 MHz |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| DC Current Gain hFE Max | 630 | 630 | - |
| Packaging | Reel | - | Reel |
| Brand | Diodes Incorporated | Nexperia | Diodes Incorporated |
| Continuous Collector Current | 800 mA | 800 mA | 0.8 A |
| DC Collector/Base Gain hfe Min | 250 | 250 | - |
| Pd Power Dissipation | 350 mW | 250 mW | 330 mW |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 3000 | 3000 | 3000 |
| Subcategory | Transistors | Transistors | Transistors |
| Qualification | - | AEC-Q101 | - |
| Series | - | - | BCW66 |
| Height | - | - | 1.1 mm |
| Length | - | - | 3 mm |
| Width | - | - | 1.4 mm |
| Unit Weight | - | - | 0.000282 oz |