The FOD817A IC-817 OPTOISOLATOR 5KV TRANSISTOR DIP4 The FOD817A by ONS (FAIRCHILD) is a cutting-edge phototransistor optocoupler designed for reliable and efficient isolation. With an output voltage of 70V and an output current of 50mA, it ensures excellent performance across various systems. This optocoupler features an isolation voltage of 5000Vrms and a forward voltage of 1.2V, making it suitable for demanding applications. Operating in a temperature range of -55°C~+110°C, the FOD817A is built to withstand challenging environments. Compliant with ROHS standards and packaged in a TUBE format, this optocoupler is the ideal choice for advanced electronic designs.