This part is a kind of semiconductor called FDN304PZ.

Function of this product has P-Channel 1.8V Specified PowerTrench MOSFET.

Manufacturers : Fairchild Semiconductor

Image and pinout :

Some of the text within the PDF file :

FDN304PZ March 2003 FDN304PZ P-Channel 1.8V Specified PowerTrench® MOSFET General Description This P-Channel 1.8V specified MOSFET uses Fairchild’s advanced low voltage PowerTrench process. It has been optimized for battery power management applications. Features • –2.4 A, –20 V. RDS(ON) = 52 mΩ @ VGS = –4.5 V RDS(ON) = 70 mΩ @ VGS = –2.5 V RDS(ON) = 100 mΩ @ VGS = –1.8 V Applications • Battery management • Load switch • Battery protection • Fast switching speed • ESD protection diode • High performance trench technology for extremely low RDS(ON) • SuperSOTTM -3 provides low RDS(ON) and 30% higher power handling capability than SOT23 in the same footprint D D S SuperSOT -3 TM G TA=25oC unless otherwise noted G S Absolute Maximum Ratings Symbol [ ... ]

FDN304PZ PDF Datasheet Download