The OPB901W55Z is a highly reliable and versatile optical sensor designed for various industrial applications. It features an NPN open collector output, providing a buffer output for seamless integration with other devices. With its through-beam configuration, it can easily detect objects at a distance of 0.375" (9.53mm), ensuring accurate and consistent operation. The sensor is pre-wired and comes in a convenient module design, making it easy to install and connect. It operates at a current of 15mA and requires a power supply of 4.75 to 5.25V. Overall, the OPB901W55Z is a dependable solution for demanding sensing requirements in industrial settings.