60 positions at 0.50mm pitch, 3.5mm stack — the mezzanine fit
The Hirose DF12B(3.5)-60DP-0.5V(86) is a 60-position header from the DF12 series, designed for board-to-board mezzanine stacking.
It mates with the corresponding DF12 receptacle that has the matching 3.5mm stack height. The SMT termination means it reflows onto the board pads alongside other surface-mount components; the solder retention feature adds mechanical hold during the solder process.
