This part is a kind of semiconductor called AUIRLR2905Z.

Function of this product has Power MOSFET.

Manufacturers : International Rectifier

Image and pinout :

Some of the text within the PDF file :

PD - 97583 AUTOMOTIVE GRADE Features ● ● ● ● ● ● ● ● AUIRLR2905Z HEXFET® Power MOSFET D Logic Level Advanced Process Technology Ultra Low On-Resistance 175°C Operating Temperature Fast Switching Repetitive Avalanche Allowed up to Tjmax Lead-Free, RoHS Compliant Automotive Qualified * V(BR)DSS RDS(on) max. ID (Silicon Limited) 55V 13.5mΩ 60A 42A G S ID (Package Limited) Description Specifically designed for Automotive applications, this HEXFET® Power MOSFET utilizes the latest processing techniques to achieve extremely low onresistance per silicon area. Additional features of this design are a 175°C junction operating temperature, fast switching speed and improved repetitive avalanche rating . These features combine to make this design an extremely efficient a [ ... ]

AUIRLR2905Z PDF Datasheet Download