50-position, 2.54mm pitch — the board footprint anchor
The 5-102802-4: This AMPMODU Mod II header carries 50 positions across two rows at 0.100" (2.54mm) pitch — a standard grid that matches legacy wire-to-board and board-to-board layouts.
Gold mating finish for repeated connect cycles
The post side is tin, which solders reliably to the PCB pad. Phosphor bronze contacts provide spring retention and corrosion resistance under the gold plating. The 3-wall shrouded housing guides the mating plug and protects pins from bending during blind-mate assembly.