ADPA04S04 is a 4-position DIP switch assembly manufactured by TE Connectivity (Alcoswitch brand) for through-hole PCB mounting applications. The switch features a black PPS 94V-O case and cover with a white nylon PA6T 94V-O actuator, and employs gold-plated copper alloy contacts for reliable electrical performance. Electrical specifications include a maximum switching rating of 100 milliamps at 24V DC, minimum switching capability of 0.10 microamps at 1 millivolt, and a contact resistance of 50 milliohms maximum. The device offers an insulation resistance of 100 megohms minimum at 100 VDC, dielectric strength of 500 VAC, and a life expectancy of 1000 cycles. This DIP switch is commonly used in industrial control systems, consumer electronics, and instrumentation where configuration settings and mode selection are required.