This part is a kind of semiconductor called AO4803.

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

Manufacturers : Alpha & Omega Semiconductors

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AO4803 Dual P-Channel Enhancement Mode Field Effect Transistor General Description The AO4803 uses advanced trench technology to provide excellent RDS(ON) with low gate charge. This device is suitable for use as a load switch or in PWM applications. Standard Product AO4803 is Pb-free (meets ROHS & Sony 259 specifications). AO4803L is a Green Product ordering option. AO4803 and AO4803L are electrically identical. Features VDS (V) = -30V ID = -5 A (VGS = -10V) RDS(ON) < 52mΩ (VGS = -10V) RDS(ON) < 87mΩ (VGS = -4.5V) SOIC-8 Top View S2 G2 S1 G1 1 2 3 4 8 7 6 5 D2 D2 D1 D1 D1 D2 G1 S1 G2 S2 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 Pow [ ... ]

AO4803 PDF Datasheet Download