This part is a kind of semiconductor called AO4616.

Function of this product has 30V Complementary MOSFET.

Manufacturers : Alpha & Omega Semiconductors

Image and pinout :

Some of the text within the PDF file :

AO4616 30V Complementary MOSFET General Description Product Summary The AO4616 uses advanced trench technology to provide excellent RDS(ON) and low gate charge. This complementary N and P channel MOSFET configuration is ideal for low Input Voltage inverter applications. N-Channel VDS= 30V ID= 8A (VGS=10V) RDS(ON) < 20mΩ (VGS=10V) < 28mΩ (VGS=4.5V) 100% UIS Tested 100% Rg Tested ESD Protected P-Channel -30V -7A (VGS=-10V) RDS(ON) < 22mΩ (VGS=-10V) < 40mΩ (VGS=-4.5V) 100% UIS Tested 100% Rg Tested Top View SOIC-8 Bottom View Top View D2 D1 S2 D2 G2 D2 G2 S1 D1 G1 D1 G1 S2 S1 Pin1 n-channel p-channel Absolute Maximum Ratings TA=25°C unless otherwise noted Parameter Symbol Max n-channel Max p-channel Drain-Source Voltage VDS 30 -30 Gate-Source Voltage VGS ±20 [ ... ]

AO4616 PDF Datasheet Download