The CT785GB with Optocouplers DIP-4 RoHS is an electronic component manufactured by CT Micro International. It is a four-pin non-inverting optocoupler that can be used for a variety of applications, including isolating circuits, buffering digital signals and providing power isolation. This optocoupler comes in a low-profile DIP package and is RoHS-compliant, meaning that it has been manufactured to reduce or eliminate hazardous substances during its production. Additionally, it features wide common mode transient immunity, high CMR, and low capacitance, making it a good choice for applications that require reliable signal performance.