The Panasonic AQY212G2SX is a solid state relay designed for AC/DC switching applications. It is a single-pole, single-throw (SPST) relay with a 4-pin SOP package. It features a high dielectric strength of 4kV, a low on-state resistance of 0.2Ω, and a high switching capacity of 10A. The AQY212G2SX is suitable for a wide range of applications, including motor control, lighting control, and temperature control. It is also suitable for use in industrial automation, home appliances, and other electronic equipment. The AQY212G2SX is designed for high reliability and long life, and is RoHS compliant.