The RDC503052A is an industrial motion and position sensor manufactured by ALPS. It has 10K ohm ± 2% linearity across a 3.5mm diameter, and is radially compatible for a variety of applications. This sensor is designed to be robust and works well in harsh environments. It is capable of monitoring a wide range of motion and position from light sensing to acceleration and deceleration. The RDC503052A is a cost-effective choice for users who need reliability and accuracy.