Broadcom CNY17-3-300E Phototransistor-Optocoupler DIP 6 SMD Type (misc.) DC-PhotoTX-Coupler 1-channel

The main task of an optocoupler in electronic devices is the electrical separation and the interference suppression of the signal. This is necessary in a large number of applications, ranging from power supply and motor control to data communication and data processing. Optocouplers eliminate all kinds of electromagnetic interferences. One achieves a secure signal separation.

Price: 1.79 from Conrad Electronic