hi all im building a psu that should be good for 0-30v 0-20a,i have 6x tip35 pass transistors on a common heatsink insulated,im using 5 watt 0.2 ohm emitter resistors ,it works ok but one of the pass transistors gets way hot,the others are luke warm,its running 60 watts of bulbs at 12v,any ideas?