AH3621 is an electronic part manufactured by AH Elec, comprised of three magnetic sensors in a compact SOT-23 RoHS package. It features built-in temperature compensation and low power consumption, making it ideal for applications such as switch detection, keyless entry, and direction detection for automated guided vehicle systems. It also features hysteresis, cascadability, and 500mT operation dB field range, making it a suitable choice for more complex applications as well. This reliable and enduring part meets RoHS requirements and is ideal for security, automotive, and consumer markets.