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| PartNumber | NZT651 | NZT605 | NZT605-NL |
| Description | Bipolar Transistors - BJT NPN Transistor Current Driver | Darlington Transistors NPN/ 110V/ 1.5A | |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Bipolar Transistors - BJT | Darlington Transistors | - |
| RoHS | E | E | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOT-223-4 | SOT-223 | - |
| Transistor Polarity | NPN | NPN | - |
| Configuration | Single | Single | - |
| Collector Emitter Voltage VCEO Max | 60 V | 110 V | - |
| Collector Base Voltage VCBO | 80 V | 140 V | - |
| Emitter Base Voltage VEBO | 5 V | 10 V | - |
| Collector Emitter Saturation Voltage | 0.5 V | - | - |
| Maximum DC Collector Current | 4 A | 1.5 A | - |
| Gain Bandwidth Product fT | 75 MHz | - | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Series | NZT651 | NZT605 | - |
| Height | 1.6 mm | 1.6 mm | - |
| Length | 6.5 mm | 6.5 mm | - |
| Packaging | Reel | Reel | - |
| Width | 3.5 mm | 3.56 mm | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Continuous Collector Current | 4 A | - | - |
| DC Collector/Base Gain hfe Min | 75 | 200 | - |
| Pd Power Dissipation | 1.2 W | - | - |
| Product Type | BJTs - Bipolar Transistors | Darlington Transistors | - |
| Factory Pack Quantity | 4000 | 4000 | - |
| Subcategory | Transistors | Transistors | - |
| Part # Aliases | NZT651_NL | - | - |
| Unit Weight | 0.003951 oz | 0.003951 oz | - |
| Maximum Collector Cut off Current | - | 0.01 uA | - |