4N35-X009T Optocoupler IC

The Siemens 4N35-X009T is a classic optocoupler IC trusted in industrial electronics. It provides optical isolation to protect low-voltage circuits from high-voltage transients and noise. Designers rely on this part for switching interfaces, PLC inputs, and power regulation systems. Its robust construction supports stable performance over time. The device fits standard through-hole footprints, simplifying maintenance and replacement. Request a quote today to keep your isolation design reliable and compliant.