The CH941SR is a Magnetic Sensor manufactured by COSEMITECH, coming in an SOT-23-3L RoHS package. This part is an open-loop, Hall-effect, chopper-stabilized, linear voltage output device, that operates from 2.5V to 12V, and can detect both ferrous as well as non-ferrous materials. It is designed for contactless angular/linear position sensing applications and features digital two-wire potentiometer and bidirectional control functions. The device is designed to operate in a harsh environment, is compatible with an automotive temperature range, and offers excellent reliability. The CH941SR is very efficient in terms of power consumption, helping increase the battery life of motor-driven systems.