The OPB971N51 is a Photologic® slotted optical switch with a buffered open collector output and PCB through-hole design. This compact yet highly reliable sensor offers superior optical performance, making it perfect for a wide range of industrial and commercial applications. With its high-speed response time and precise sensing capabilities, it is ideal for use in object detection, position sensing, and encoder applications. The PCB through-hole design enables easy integration onto circuit boards, while the buffered open collector output provides reliable signal transmission. Overall, the OPB971N51 is a versatile and efficient solution for any optical sensing requirement.