The BPC-817D with Optocouplers Through Hole RoHS manufactured by Bright LED is an electronic part specially designed for use in optoelectronic circuits. It is composed of two main components: an LED (Light-Emitting Diode) and a phototransistor which are optically isolated from each other. This part requires a power supply of between 10 and 30 volts for it to operate. Its maximum power dissipation is 0.7 watts and its working temperature range is between -55 and +105 degrees Celsius. This part is suitable for use in various industrial, consumer, automotive, and medical applications. It has RoHS (Restriction of Hazardous Substances) certification and is designed to meet safety and quality regulations.