U18 with Magnetic Sensors SIP3 RoHS is an electronic part manufactured by Semiment. It is designed with a sensing element and an internal amplifier. The part has a shielded, insensitive case that is made with lead-free, RoHS compliant materials. It is designed to detect the change in a magnetic field and convert it into an electrical signal. The output signal can be used to trigger alarms or circuits. It is suitable for use in a variety of applications such as intrusion detection, safety switch, and proximity sensing. It has maximum linear output voltage of 5V DC and output load current of up to 3mA, making it ideal for microcontroller-based applications.