7103P3D9V31BE is a miniature toggle switch from the C&K 7000 Series, designed for vertical mount applications with V-bracket configuration. This switch features PC through-hole mounting with epoxy seal construction and gold-plated contacts for low-level/dry circuit applications. Key dimensional specifications include a mounting hole diameter of 0.073" (1.850 mm), terminal spacing of 0.185" (4.70 mm) typical, and overall dimensions compatible with standard PCB layouts. The switch operates over a temperature range of -30°C to 85°C with contact resistance below 10 mO typical and insulation resistance of 10?O minimum. Common applications include industrial controls, instrumentation, and electronic equipment requiring reliable manual switching.