Phoenix Contact FQ Board-to-Board PCB Connectors provide reliable mechanical and electrical connections utilizing a double-sided contact system. These pin and socket-style connectors enable easy implementation of mezzanine, coplanar, and mother-daughter connections. A defined contact force ensures reliable, long-term, stable connections. The FQ connectors are available in 10, 20, 30, 50, and 80-positions with a 1.27mm or 2.54mm centerline.