The OPB993T51Z is an optical sensor designed for through-beam sensing applications. It features an NPN open collector output with inverted polarity, making it compatible with various control systems. With a sensing range of 0.125" (3.18mm), this sensor provides accurate and reliable detection for small objects or gaps. It operates at a supply voltage of 4.75 to 5.25V, consuming a low current of 15mA.The module comes pre-wired, making it easy to install and integrate into your existing setup. Whether it's for industrial automation, robotics, or similar applications, the OPB993T51Z offers efficient and precise sensing capabilities.