The LTV-354T Optocoupler manufactured by Youtai is a SOP-4-2.54mm package with phototransistor output and RoHS certification. It has an input voltage range of 80V DC to 3750V, a maximum collector-emitter current of 50mA, and a minimum collector-emitter saturation voltage of 0.1V@1mA,20mA. Additionally, it has a maximum collector-emitter dark current of 1µA and a 1.24V AC/DC forward voltage.