The OPB390L11Z is a reliable and versatile Photointerrupter Transmissive component manufactured by OPTEK TECHNOLOGY. This compact device features a 3.18mm Phototransistor, ensuring accurate and efficient detection of light interruptions. With its 4-Pin Bag packaging, the OPB390L11Z is easy to install and suitable for a wide range of applications in various industries. Trust in the performance and durability of OPTEK TECHNOLOGY's OPB390L11Z for all your photo interrupter needs.