
IRL3803STRRPBF N-Channel Logic-Level Power MOSFET 30V 140A TO-263
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Prices updated: 14 Oct 2026
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About this product
N-channel logic-level power MOSFET in a TO-263 (D2PAK) surface-mount package, rated at 30V and 140A with up to 200W power dissipation. It is suited to high-current switching such as DC motor control, load switches and DC-DC converter stages. A large copper pad or heatsink is needed to handle high current.
Specifications
- Type
- N-channel power MOSFET
- Drain-source voltage (VDS)
- 30 V
- Drain current (ID)
- 140 A
- Power dissipation
- 200 W
- Gate type
- Logic-level
- Package
- TO-263 (D2PAK), SMD
Frequently asked questions
Can I drive it directly from a 3.3V or 5V microcontroller?
It is a logic-level device, meaning it is designed to be fully switched on with a lower gate voltage, typically 5V. At 3.3V the on-resistance will be higher, so check the RDS(on) versus VGS curve in the datasheet for your design.
How should I manage heat with the TO-263 package?
The tab is connected to the drain, so use a large copper area on the PCB connected to the drain and add a heatsink if the current or switching losses are high.





