| PartNumber | FQA34N25 | FQA34N20 | FQA34N20L |
| Description | MOSFET 250V N-Channel QFET | MOSFET 200V N-Channel QFET | MOSFET N-CH 200V 34A TO-3P |
| Manufacturer | ON Semiconductor | ON Semiconductor | FSC |
| Product Category | MOSFET | MOSFET | FETs - Single |
| RoHS | Y | Y | - |
| Technology | Si | Si | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-3PN-3 | TO-3PN-3 | - |
| Number of Channels | 1 Channel | 1 Channel | - |
| Transistor Polarity | N-Channel | N-Channel | - |
| Vds Drain Source Breakdown Voltage | 250 V | 200 V | - |
| Id Continuous Drain Current | 34 A | 34 A | - |
| Rds On Drain Source Resistance | 85 mOhms | 75 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 | 245 W | 210 W | - |
| Configuration | Single | Single | - |
| Channel Mode | Enhancement | Enhancement | - |
| Packaging | Tube | Tube | - |
| Height | 20.1 mm | 20.1 mm | - |
| Length | 16.2 mm | 16.2 mm | - |
| Transistor Type | 1 N-Channel | 1 N-Channel | - |
| Type | MOSFET | MOSFET | - |
| Width | 5 mm | 5 mm | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Forward Transconductance Min | 24 S | 26 S | - |
| Fall Time | 150 ns | 115 ns | - |
| Product Type | MOSFET | MOSFET | - |
| Rise Time | 335 ns | 280 ns | - |
| Factory Pack Quantity | 30 | 450 | - |
| Subcategory | MOSFETs | MOSFETs | - |
| Typical Turn Off Delay Time | 110 ns | 125 ns | - |
| Typical Turn On Delay Time | 45 ns | 40 ns | - |
| Unit Weight | 0.000198 oz | 0.000198 oz | - |