CH913LSR with SOT-23-3L Hall Sensor ROHS manufactured by Cosemitech is a small, 3-pin, surface-mount Hall effect sensor. It is RoHS compliant and designed for switching applications in response to an applied magnetic field. It has a simple digital output and can be used to detect the presence or presence of a magnetic field, as well as variations in magnetic field. It operates over a wide temperature range and has low power consumption. The tiny package and high sensitivity make the CH913LSR perfect for use in a variety of applications, including automotive sensing, industrial automation, and motion sensing.