cem2163.pdf datasheet:

CEM2163P-Channel Enhancement Mode Field Effect TransistorFEATURES-20V, -8.9A, RDS(ON) = 20m @VGS = -4.5V. RDS(ON) = 30m @VGS = -2.5V.Super high dense cell design for extremely low RDS(ON).High power and current handing capability.D D D DLead free product is acquired.8 7 6 5Surface mount Package.SO-81 2 3 41 S S S GABSOLUTE MAXIMUM RATINGS TA = 25 C unless otherwise notedParameter Symbol Limit UnitsDrain-Source Voltage VDS -20 VGate-Source Voltage VGS 12 VDrain Current-Continuous ID -8.9 ADrain Current-Pulsed a IDM -36 AMaximum Power Dissipation PD 2.5 WOperating and Store Temperature Range TJ,Tstg -55 to 150 CThermal CharacteristicsParameter Symbol Limit UnitsThermal Resistance, Junction-to-Ambient b RJA 50 C/WRev 1. 2010.OctSpecification and data are subject to change without notice . http://www.cetsemi.com1CEM216