IRL40SC209 N-Channel Logic-Level Power MOSFET (40V, 0.8 mΩ)

Push the boundaries of high-current power electronics with the IRL40SC209 N-Channel MOSFET. When building custom high-power Electronic Speed Controllers (ESCs) for heavy-lift drones, DIY spot welders, or heavy-duty Battery Management Systems (BMS), minimizing heat is your biggest challenge. With an astonishingly low ON-resistance (RDS(on)) of just 0.8 mOhms, this flagship Infineon HEXFET allows massive amounts of continuous current to flow with virtually no thermal dissipation, eliminating the need for bulky external aluminum heatsinks.

Since it belongs to the "IRL" series, it features a logic-level gate threshold. This means it can be fully turned on (saturated) with much lower gate voltages compared to standard MOSFETs, making it significantly easier to interface with 5V logic circuits or dedicated gate drivers in high-frequency switching applications. Rated for up to 40V, it is the absolute perfect match for handling the brutal amp-draws of 4S, 6S, and 8S LiPo battery systems in robotics, e-bikes, and extreme DIY engineering.

Key Features:

• Extreme Low Resistance: The incredible 0.8 mΩ RDS(on) drastically reduces power loss and heat generation, protecting tightly packed PCBs under massive loads.

• High-Current Champion: Engineered to handle hundreds of amps of pulse current, making it the ultimate choice for custom motor drivers and battery spot welding machines.

• Logic-Level Gate: Can be driven efficiently at lower gate voltages, simplifying driver circuit design and reducing component count.

• 40V Rating: Perfectly suited for high-voltage DC systems, effortlessly handling the voltage spikes associated with 6S and 8S LiPo configurations.

Specifications:

• Part Number: IRL40SC209

• Transistor Type: N-Channel Power MOSFET (Logic-Level)

• Max Drain-Source Voltage (Vds): 40V

• Static Drain-Source On-Resistance (RDS(on)): 0.8 mΩ (Max)

• Package Type: High-Power SMD (D2PAK-7 / TO-263-7)