| PartNumber | FQL40N50F | FQL40N50 |
| Description | MOSFET 500V N-Channel FRFET | MOSFET 500V N-Channel QFET |
| Manufacturer | ON Semiconductor | ON Semiconductor |
| Product Category | MOSFET | MOSFET |
| RoHS | Y | Y |
| Technology | Si | Si |
| Mounting Style | Through Hole | Through Hole |
| Package / Case | TO-264-3 | TO-264-3 |
| 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 | 40 A | 40 A |
| Rds On Drain Source Resistance | 110 mOhms | 110 mOhms |
| 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 | 460 W | 460 W |
| Configuration | Single | Single |
| Channel Mode | Enhancement | Enhancement |
| Tradename | QFET | QFET |
| Packaging | Tube | Tube |
| Height | 26.4 mm | 26.4 mm |
| Length | 20.2 mm | 20.2 mm |
| Series | FQL40N50F | FQL40N50 |
| Transistor Type | 1 N-Channel | 1 N-Channel |
| Type | MOSFET | MOSFET |
| Width | 5.2 mm | 5.2 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Forward Transconductance Min | 29 S | 29 S |
| Fall Time | 250 ns | 250 ns |
| Product Type | MOSFET | MOSFET |
| Rise Time | 440 ns | 440 ns |
| Factory Pack Quantity | 375 | 375 |
| Subcategory | MOSFETs | MOSFETs |
| Typical Turn Off Delay Time | 350 ns | 350 ns |
| Typical Turn On Delay Time | 140 ns | 140 ns |
| Part # Aliases | FQL40N50F_NL | FQL40N50_NL |
| Unit Weight | 0.238311 oz | 0.238311 oz |