| PartNumber | STB20NM50T4 | STB20NM50FDT4 | STB20NM50-1 |
| Description | MOSFET N-Ch 500 Volt 20 Amp | MOSFET N-Ch 500 Volt 20 Amp | MOSFET N-Ch 500 Volt 20 Amp |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | MOSFET | MOSFET | MOSFET |
| RoHS | Y | Y | Y |
| Technology | Si | Si | Si |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Package / Case | TO-263-3 | TO-263-3 | 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 | 500 V | 500 V |
| Id Continuous Drain Current | 20 A | 20 A | 20 A |
| Rds On Drain Source Resistance | 250 mOhms | 250 mOhms | 250 mOhms |
| Vgs Gate Source Voltage | 30 V | 30 V | 30 V |
| Minimum Operating Temperature | - 65 C | - 65 C | - 65 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Pd Power Dissipation | 192 W | 192 W | 192 W |
| Configuration | Single | Single | Single |
| Channel Mode | Enhancement | Enhancement | Enhancement |
| Packaging | Reel | Reel | Tube |
| Height | 4.6 mm | 4.6 mm | 8.95 mm |
| Length | 10.4 mm | 10.4 mm | 10 mm |
| Series | STB20NM50 | STB20NM50FD | STB20NM50 |
| Transistor Type | 1 N-Channel | 1 N-Channel | 1 N-Channel |
| Type | MOSFET | MOSFET | MOSFET |
| Width | 9.35 mm | 9.35 mm | 4.4 mm |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Forward Transconductance Min | 10 S | - | 10 S |
| Fall Time | 8.5 ns | 15 ns | 8.5 ns |
| Product Type | MOSFET | MOSFET | MOSFET |
| Rise Time | 16 ns | 20 ns | 16 ns |
| Factory Pack Quantity | 1000 | 1000 | 50 |
| Subcategory | MOSFETs | MOSFETs | MOSFETs |
| Typical Turn Off Delay Time | 9 ns | - | 9 ns |
| Typical Turn On Delay Time | 24 ns | 22 ns | 24 ns |
| Unit Weight | 0.139332 oz | 0.139332 oz | 0.050717 oz |
| Qg Gate Charge | - | 38 nC | - |
| Tradename | - | FDmesh | - |