This part is a kind of semiconductor called AON6418.

Function of this product has N-Channel MOSFET.

Manufacturers : Freescale

Image and pinout :

Some of the text within the PDF file :

AON6418 30V N-Channel AlphaMOS General Description • Latest Trench Power AlphaMOS ( αMOS LV) technology • Very Low RDS(on) at 4.5VGS • Low Gate Charge • High Current Capability • RoHS and Halogen-Free Compliant Features VDS ID (at VGS=10V) RDS(ON) (at VGS=10V) RDS(ON) (at VGS = 4.5V) 30V 32A < 5mΩ < 8mΩ Top View 1 2 3 4 D 8 7 6 5 G S Absolute Maximum Ratings TA=25° C unless otherwise noted Symbol Parameter VDS Drain-Source Voltage Gate-Source Voltage Continuous Drain CurrentG Pulsed Drain Current Continuous Drain Current Avalanche Current C Avalanche energy L=0.05mH C VDS Spike Power Dissipation B Power Dissipation A 100ns C TC=25° TC=100° C C TA=25° TA=70° C Junction and Storage Temperature Range Thermal Characteristics Parameter Maximum Junction-to-Ambient A Ma [ ... ]

AON6418 PDF Datasheet Download