AO3419 is a P-channel power MOSFET with low conductance voltage drop and high current carrying capacity. The main parameters include rated voltage of -20V, rated current of -4A, RDS(ON) of 80 (mΩ) @ VGS = 2.5V, 65 (mΩ) @ VGS = 4.5V, 60 (mΩ) @ VGS = 10V; gate-source voltage range of ±12V, gate-source threshold voltage of -0.81V, and package type of SOT23-3.