irf1404s.pdf datasheet:

PD -93853BIRF1404SIRF1404LHEXFET Power MOSFET Advanced Process TechnologyD Ultra Low On-ResistanceVDSS = 40V Dynamic dv/dt Rating 175C Operating TemperatureRDS(on) = 0.004 Fast SwitchingG Fully Avalanche RatedID = 162A DescriptionSSeventh Generation HEXFET Power MOSFETs fromInternational Rectifier utilize advanced processingtechniques to achieve extremely low on-resistance persilicon area. This benefit, combined with the fastswitching speed and ruggedized device design thatHEXFET power MOSFETs are well known for, providesthe designer with an extremely efficient and reliabledevice for use in a wide variety of applications.The D2Pak is a surface mount power package capable ofaccommodating die sizes up to HEX-4. It provides thehighest power capability and the lowest possible on-resistance in any existing surface mount packa