This part is a kind of semiconductor called AO3409.

Function of this product has P-Channel Enhancement Mode Field Effect Transistor.

Manufacturers : Alpha & Omega Semiconductors

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AO3409 P-Channel Enhancement Mode Field Effect Transistor General Description The AO3409 uses advanced trench technology to provide excellent RDS(ON) and low gate charge. This device is suitable for use as a load switch or in PWM applications. Standard Product AO3409 is Pb-free (meets ROHS & Sony 259 specifications). AO3409L is a Green Product ordering option. AO3409 and AO3409L are electrically identical. Features VDS (V) = -30V ID = -2.6 A (VGS = -10V) RDS(ON) < 130mΩ (VGS = -10V) RDS(ON) < 200mΩ (VGS = -4.5V) TO-236 (SOT-23) Top View G D S G D S Absolute Maximum Ratings TA=25°C unless otherwise noted Parameter Symbol VDS Drain-Source Voltage VGS Gate-Source Voltage Continuous Drain Current A Pulsed Drain Current Power Dissipation A B Maximum -30 ±20 -2.6 [ ... ]

AO3409 PDF Datasheet Download