The TLP785GB with Optocouplers Through Hole RoHS is a surface mount, RoHS-compliant optocoupler manufactured by Youtai. It features high-speed gallium arsenide infrared LEDs, a fast propagation time, and a high isolation voltage (up to 4,000 Vrms). It has a fast response time of 5 ns, with a collector to emitter voltage of 35V and a maximum collector current of 100 mA. The device also features an ambient temperature range of -40°C to +85°C and a turnaround time of 20 µs. It is primarily used in industrial control and factory automation applications, and for interfacing between low-voltage and high-voltage appliances.