CSD17579Q3A-VB is an N-channel MOSFET, mainly designed for low voltage and high current applications. It is rated at 30V and can withstand a continuous current of up to 40A. This MOSFET has excellent conduction characteristics at different voltages. Its static on-resistance is 11mΩ at 10V and 16mΩ at 4.5V, showing lower resistance, which helps to reduce power consumption and heat.