36 positions, 0.50 mm pitch, 3 mm stack — the fit numbers
The DF12D(3.0)-36DP-0.5V(81): This is a 36-position, 2-row header from the Hirose DF12 series, designed for a mated stacking height of 3 mm. Gold-plated contacts on the header side, surface-mount termination.
What the DF12D variant brings to the board
The DF12D suffix indicates a specific shroud geometry within the DF12 family. The 3.0 in the part number refers to the 3 mm mated stack height — a dimension that must match the mating receptacle exactly to maintain contact beam deflection.
