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| PartNumber | FQU2N50BTU-WS | FQU2N50BTU | FQU2N50B |
| Description | MOSFET Power MOSFET | MOSFET Power MOSFET | |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | MOSFET | MOSFET | - |
| RoHS | Y | E | - |
| Technology | Si | Si | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-251-3 | TO-251-3 | - |
| Number of Channels | 1 Channel | 1 Channel | - |
| Transistor Polarity | N-Channel | N-Channel | - |
| Vds Drain Source Breakdown Voltage | 500 V | 500 V | - |
| Id Continuous Drain Current | 1.6 A | 1.6 A | - |
| Rds On Drain Source Resistance | 5.3 Ohms | 5.3 Ohms | - |
| Vgs Gate Source Voltage | 30 V | 30 V | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Pd Power Dissipation | 2.5 W | 2.5 W | - |
| Configuration | Single | Single | - |
| Channel Mode | Enhancement | Enhancement | - |
| Packaging | Tube | Tube | - |
| Height | 6.3 mm | 6.3 mm | - |
| Length | 6.8 mm | 6.8 mm | - |
| Series | FQU2N50B | - | - |
| Transistor Type | 1 N-Channel | 1 N-Channel | - |
| Width | 2.5 mm | 2.5 mm | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Fall Time | 20 ns | 20 ns | - |
| Product Type | MOSFET | MOSFET | - |
| Rise Time | 25 ns | 25 ns | - |
| Factory Pack Quantity | 5040 | 70 | - |
| Subcategory | MOSFETs | MOSFETs | - |
| Typical Turn Off Delay Time | 10 ns | 10 ns | - |
| Typical Turn On Delay Time | 6 ns | 6 ns | - |
| Part # Aliases | FQU2N50BTU_WS | - | - |
| Unit Weight | 0.012102 oz | 0.139332 oz | - |
| Type | - | MOSFET | - |
| Forward Transconductance Min | - | 1.3 S | - |