| PartNumber | FDD5N50NZTM | FDD5N50NZFTM | FDD5N50FTM-WS |
| Description | MOSFET UNIFET2 500V | MOSFET 500V N-Channel UniFET-II | MOSFET UniFET 500V 3.5A |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | MOSFET | MOSFET | MOSFET |
| RoHS | Y | Y | Y |
| Technology | Si | Si | Si |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TO-252-3 | TO-252-3 | TO-252-3 |
| Number of Channels | 1 Channel | 1 Channel | 1 Channel |
| Transistor Polarity | N-Channel | N-Channel | N-Channel |
| Vds Drain Source Breakdown Voltage | 500 V | 500 V | 500 V |
| Id Continuous Drain Current | 4 A | 3.7 A | 3.5 A |
| Rds On Drain Source Resistance | 1.5 Ohms | 1.47 Ohms | 1.55 Ohms |
| Vgs Gate Source Voltage | 25 V | 25 V | 30 V |
| Qg Gate Charge | 12 nC | - | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Pd Power Dissipation | 62 W | 62.5 W | 40 W |
| Configuration | Single | Single | Single |
| Channel Mode | Enhancement | - | Enhancement |
| Packaging | Reel | Reel | Reel |
| Height | 2.39 mm | 2.39 mm | 2.39 mm |
| Length | 6.73 mm | 6.73 mm | 6.73 mm |
| Series | FDD5N50NZ | FDD5N50NZF | FDD5N50F |
| Transistor Type | 1 N-Channel | 1 N-Channel | 1 N-Channel |
| Width | 6.22 mm | 6.22 mm | 6.22 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Forward Transconductance Min | 3.54 S | 4.2 S | - |
| Fall Time | 21 ns | 22 ns | 20 ns |
| Product Type | MOSFET | MOSFET | MOSFET |
| Rise Time | 22 ns | 19 ns | 22 ns |
| Factory Pack Quantity | 2500 | 2500 | 2500 |
| Subcategory | MOSFETs | MOSFETs | MOSFETs |
| Typical Turn Off Delay Time | 28 ns | 31 ns | 28 ns |
| Typical Turn On Delay Time | 12 ns | 12 ns | 13 ns |
| Unit Weight | 0.009184 oz | 0.009184 oz | 0.009184 oz |
| Type | - | MOSFET | - |
| Part # Aliases | - | - | FDD5N50FTM_WS |