Board-stacking fit with 0.50 mm pitch
This Hirose DF12B(3.0)-60DS-0.5V(86) is a 60-position, 2-row receptacle built for a 3mm mated stack height. The 0.50 mm pitch packs the signal density tight — each row of 30 contacts sits on a 0.50 mm grid, which means the PCB breakout needs a fine trace-and-space capability to route all 60 lines out from under the connector body.
Gold finish and solder retention
Gold contact finish at 8.00 µin thickness on the mating interface gives this receptacle a solid mating-cycle life for repeated board-stacking operations — the gold layer resists oxidation and fretting corrosion that would raise contact resistance over time.