fod050lr1 transistor of datasheet pdf FOD050LR1Manufacturer : Fairchild Semiconductor Description : LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers FOD050LR1Manufacturer : FAIRCHILD[Fairchild Semiconductor] Description : LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers