Specifications: The APY253GS is a medium-power PhotoMOS SSR capable of handling 800mA at 360V (AC/DC), packaged in SOP-4. It has a low 0.8Ω on-state resistance and 2500Vrms isolation. Switching characteristics are 350μs turn-on and a fast 30μs turn-off. It is designed for wide-temperature operation (-40°C to 85°C) with a 1.32-1.5VDC input range.

Application Scenarios: Suited for switching higher-current loads at line voltages. Common applications include appliance motor control (fans, pumps), solid-state lighting ballasts, industrial contactor coil drivers, and as the main switch in offline SMPS (Switch-Mode Power Supplies) or UPS (Uninterruptible Power Supply) battery charging circuits.