PhotoMOS solid-state relay, SPST-NO, 550 mA
The AQY212EHA is a Panasonic Electric Works PhotoMOS™ AQY series solid-state relay in a SPST-NO (1 Form A) configuration, handling AC or DC loads up to 550 mA and 60 V. With a maximum on-state resistance of 2.5 Ohms, this relay suits low-power signal switching where contact bounce and wear from mechanical relays are unacceptable.
Surface-mount package and board integration
Housed in a 4-SMD package (0.300", 7.62mm body) with gull-wing leads, the AQY212EHA is designed for reflow soldering on standard PCB footprints. The surface-mount format suits automated assembly lines and dense board layouts where through-hole relays would consume too much real estate.