| PartNumber | FSB660A | FSB649 | FSB660 |
| Description | Bipolar Transistors - BJT PNP Transistor Low Saturation | Bipolar Transistors - BJT NPN Transistor Low Saturation | Bipolar Transistors - BJT PNP Transistor Low Saturation |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | Y | T |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SuperSOT-3 | SuperSOT-3 | SuperSOT-3 |
| Transistor Polarity | PNP | NPN | PNP |
| Configuration | Single | Single | Single |
| Collector Emitter Voltage VCEO Max | 60 V | 25 V | 60 V |
| Collector Base Voltage VCBO | 60 V | 35 V | 60 V |
| Emitter Base Voltage VEBO | 5 V | 5 V | 5 V |
| Collector Emitter Saturation Voltage | 300 mV | 600 mV | - |
| Maximum DC Collector Current | 2 A | 3 A | 2 A |
| Gain Bandwidth Product fT | 75 MHz | - | 75 MHz |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Series | FSB660A | FSB649 | - |
| DC Current Gain hFE Max | 550 | 300 | 300 |
| Height | 0.94 mm | 1.5 mm | 1.02 mm |
| Length | 2.92 mm | 2.92 mm | 2.92 mm |
| Packaging | Reel | Reel | Reel |
| Width | 1.4 mm | 1.4 mm | 1.4 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Continuous Collector Current | 2 A | 3 A | 2 A |
| DC Collector/Base Gain hfe Min | 250 | - | - |
| Pd Power Dissipation | 500 mW | 500 mW | 500 mW |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 3000 | 3000 | 3000 |
| Subcategory | Transistors | Transistors | Transistors |
| Part # Aliases | FSB660A_NL | - | - |
| Unit Weight | 0.001058 oz | 0.001058 oz | 0.001058 oz |