The OPB733TR is a compact and versatile photointerrupter reflective sensor that is designed for efficient object detection and proximity sensing applications. With a compact form factor of 3.81mm, this device features a highly sensitive phototransistor that can accurately detect changes in light intensity.This 4-pin Surface Mount Device (SMD) comes in tape and reel packaging, making it easy to integrate into automated assembly processes. It offers reliable performance and excellent responsiveness, making it ideal for use in various industrial and consumer electronic devices.Featuring a reflective design, the OPB733TR can effectively detect the presence or absence of an object by reflecting light off its surface. This makes it suitable for applications such as position sensing, limit switches, and assembly line automation.With its high-quality construction and precise optical performance, this photointerrupter offers exceptional reliability and durability. It is designed to operate seamlessly in a wide range of operating conditions.Overall, the OPB733TR is a high-performance photointerrupter reflective sensor that provides accurate and efficient object detection in a compact and reliable package.