AO4409 is a P-Channel Enhancement Mode Field Effect Transistor produced by Alpha & Omega Semiconductor, Ltd. It has a maximum power dissipation of 3W, a maximum working temperature of 150℃, a maximum working voltage of -30V, and a maximum working current of -15A. AO4409 uses advanced trench technology to provide excellent RDS(ON) and ultra-low low gate charge, making it suitable for use as a load switch or in PWM applications.