| PartNumber | FQI9N50CTU | FQI9N08LTU | FQI9N15TU |
| Description | MOSFET 500V N-Channel Adv Q-FET C-Series | MOSFET 80V N-Channel QFET Logic Level | MOSFET 150V Single |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | MOSFET | MOSFET | MOSFET |
| RoHS | E | Y | Y |
| Technology | Si | Si | Si |
| Mounting Style | SMD/SMT | Through Hole | Through Hole |
| Package / Case | TO-263-3 | TO-262-3 | TO-262-3 |
| Number of Channels | 1 Channel | 1 Channel | 1 Channel |
| Transistor Polarity | N-Channel | N-Channel | N-Channel |
| Vds Drain Source Breakdown Voltage | 500 V | 80 V | 150 V |
| Id Continuous Drain Current | 9 A | 9.3 A | 9 A |
| Rds On Drain Source Resistance | 800 mOhms | 210 mOhms | 400 mOhms |
| Vgs Gate Source Voltage | 30 V | 20 V | 25 V |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 175 C | + 175 C |
| Pd Power Dissipation | 135 W | 3.75 W | 3.75 W |
| Configuration | Single | Single | Single |
| Channel Mode | Enhancement | Enhancement | Enhancement |
| Packaging | Tube | Tube | Tube |
| Height | 4.83 mm | 7.88 mm | 7.88 mm |
| Length | 10.67 mm | 10.29 mm | 10.29 mm |
| Transistor Type | 1 N-Channel | 1 N-Channel | 1 N-Channel |
| Type | MOSFET | - | MOSFET |
| Width | 9.65 mm | 4.83 mm | 4.83 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Forward Transconductance Min | 6.5 S | - | - |
| Fall Time | 64 ns | 30 ns | 40 ns |
| Product Type | MOSFET | MOSFET | MOSFET |
| Rise Time | 65 ns | 180 ns | 58 ns |
| Factory Pack Quantity | 50 | 50 | 50 |
| Subcategory | MOSFETs | MOSFETs | MOSFETs |
| Typical Turn Off Delay Time | 93 ns | 13 ns | 22 ns |
| Typical Turn On Delay Time | 18 ns | 6.5 ns | 5.5 ns |
| Unit Weight | 0.139332 oz | 0.084199 oz | 0.084199 oz |