what Semiconductor to use for 5 Amp max

hi all
what would be the best Semiconductor to use for 5 Amp max
it is only to fade in and out a 5 watt led
5 watts = 0.41 amp
the cheaper the better
thanks
marko

TIP120 - TIP127

thanks i thought you would say this lol i got some and ordering more now thanks was using irf520's but 2 expensive for what i need