CTH217C(V)(T1) is an optocoupler manufactured by CT Micro International. It is a phototransistor DC SMD with a rated voltage of 80V 3750V, response time of 6us@2mA, 100O -55?~+125? 8us@2mA, 100O, current rating of 50mA 0.1V@1mA, 20mA 1 6V 1.24V and meets ROHS regulations.