The Panasonic AQY212EHAX is a solid state relay designed for use in a variety of applications. It is a single-pole, single-throw (SPST) relay with a maximum current rating of 550mA. It is constructed with four surface-mount devices (SMD) for a compact design.

Features of the Panasonic AQY212EHAX include a low on-state resistance of 0.2 ohms, a high dielectric strength of 4kV, and a wide operating temperature range of -40°C to +85°C. It also has a high surge voltage rating of 1.5kV, making it suitable for use in high-voltage applications.

The Panasonic AQY212EHAX is suitable for a variety of applications, including industrial automation, motor control, lighting control, and HVAC systems. It is also suitable for use in medical equipment, security systems, and other applications where a reliable and compact relay is required.