First Sensor AG engages in the development, production, and sale of sensor chips, sensor components, sensors, and sensor systems. The company offers antennas, application tooling, cable assemblies, connectors, energy and power, fiber optics, heat shrink tubing, identification and labeling, relays, contactors, sensors, switches, terminals, wire and cable, EMI and EMC solutions, and passive components. It also offers 3D printing, backshells prototyping, electrical installation, machine tooling service and repair, microfluidic devices, and medical device design services. The company serves wireless equipment, aerospace, automation, control, automotive, autosport, commercial, industrial vehicles, data centers, artificial intelligence, defense, military, energy solutions, mobility, industrial machinery , intelligent buildings, IoT connectivity, medical, oil and gas, marine, personal electronics, wearable technology, rail, and sensor applications sectors. First Sensor AG was founded in 1991 and is headquartered in Berlin, Germany. First Sensor AG operates as a subsidiary of TE Connectivity Ltd.