| PartNumber | FQPF3N25 | FQPF3N40 | FQPF3N50C |
| Description | MOSFET 250V N-Channel QFET | MOSFET 400V N-Channel QFET | MOSFET N-CH/400V/ .6A/3.4OHM |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | MOSFET | MOSFET | MOSFET |
| RoHS | Y | E | E |
| Technology | Si | Si | Si |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-220FP-3 | TO-220-3 | TO-220-3 |
| Number of Channels | 1 Channel | 1 Channel | 1 Channel |
| Transistor Polarity | N-Channel | N-Channel | N-Channel |
| Vds Drain Source Breakdown Voltage | 250 V | 400 V | 500 V |
| Id Continuous Drain Current | 2.3 A | 1.6 A | 3 A |
| Rds On Drain Source Resistance | 2.2 Ohms | 3.4 Ohms | 2.5 Ohms |
| Vgs Gate Source Voltage | 30 V | 30 V | 30 V |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Pd Power Dissipation | 27 W | 20 W | 25 W |
| Configuration | Single | Single | Single |
| Channel Mode | Enhancement | Enhancement | Enhancement |
| Tradename | QFET | - | - |
| Packaging | Tube | Tube | Tube |
| Height | 16.07 mm | 16.3 mm | 16.3 mm |
| Length | 10.36 mm | 10.67 mm | 10.67 mm |
| Series | FQPF3N25 | - | - |
| Transistor Type | 1 N-Channel | 1 N-Channel | 1 N-Channel |
| Type | MOSFET | MOSFET | MOSFET |
| Width | 4.9 mm | 4.7 mm | 4.7 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Forward Transconductance Min | 1.4 S | 1.4 S | 1.5 S |
| Fall Time | 20 ns | 25 ns | 25 ns |
| Product Type | MOSFET | MOSFET | MOSFET |
| Rise Time | 25 ns | 40 ns | 25 ns |
| Factory Pack Quantity | 1000 | 50 | 50 |
| Subcategory | MOSFETs | MOSFETs | MOSFETs |
| Typical Turn Off Delay Time | 5.5 ns | 10 ns | 35 ns |
| Typical Turn On Delay Time | 6.6 ns | 9 ns | 10 ns |
| Unit Weight | 0.080072 oz | 0.074950 oz | 0.090478 oz |
| Part # Aliases | - | - | FQPF3N50C_NL |