4N35-X009 is an optocoupler manufactured by VISHAY. It is a 6-pin DIP package optocoupler with a phototransistor output. It is designed for use in digital logic and signal transmission applications. Description: The 4N35-X009 optocoupler from VISHAY is an optically isolated digital logic gate with a 6-pin DIP package. It consists of a gallium arsenide infrared emitting diode optically coupled to a silicon phototransistor. The optocoupler has a high isolation voltage of 5000Vrms and a high CTR of 500%. It is designed to provide a high degree of electrical isolation between input and output circuits. Features: 6-pin DIP package High isolation voltage of 5000Vrms High CTR of 500% Low input current of 1mA Low output current of 10mA Low propagation delay time of 4μs Operating temperature range of -40°C to 85°C Applications: The 4N35-X009 optocoupler is suitable for use in digital logic and signal transmission applications. It can be used to isolate input and output circuits in indus