The 8.95mm height above board, combined with mated stacking heights of 10mm, 11mm, 12mm, 14mm, or 16mm, gives the board stack-up engineer a range of z-height options from a single footprint. This is a surface-mount part intended for high-density digital interconnects inside telecom, server, and industrial control equipment where signal count per board area is the primary constraint.
What the 0.60mm Pitch and 80 Positions Mean for Board Layout
At 0.60mm pitch, the escape routing from the inner row of contacts requires either micro-vias or a via-in-pad strategy — standard 0.3mm mechanical vias between pads leave no room for a trace. The two-row layout with 80 total positions means 40 signals per row; the outer row can be routed on the top layer, but the inner row needs at least one buried via layer. The board guide built into the housing aligns the connector during reflow and takes shear loads during mating, which is critical for a 0.60mm contact that can stubbing if the boards mate off-angle.
The 39.4µin gold plating supports repeated mating and unmating without exposing the nickel underplate. The gold-on-gold interface keeps contact resistance stable across temperature cycling.