The HX3144ESO with Magnetic Sensors SOT-23-3 RoHS manufactured by HUAXIN is a three-terminal Hall-effect switch based on a BiCMOS integrated circuit. It features a wide power supply range, internal alphanumeric code management, low current consumption, low temperature drift, excellent magnetic immunity, cancellable hysteresis, and low cost. The device is ideal for use in electronic control and sensing applications, such as for motor speed, torque, and position control. It is designed for surface mounting and is compliant with the RoHS Directive.