Specifications: The APY221RS is a fast-switching PhotoMOS SSR for 200mA, 60V (AC/DC) loads in an SOP-4 package. It has a 3Ω on-state resistance and 2500Vrms isolation. It features very fast and asymmetrical switching: 20μs turn-on and 40μs turn-off. The device operates from -40°C to 85°C with 1.2-1.4VDC input.

Application Scenarios: Optimized for high-speed signal switching and multiplexing. Perfect for data acquisition systems, communication equipment signal routing, audio switching, and as a fast interface in precision instrumentation. Its speed makes it suitable for applications where timing and signal integrity are critical.