50 positions, 0.50 mm pitch, 4 mm stack height
The DF12E(4.0)-50DP-0.5V(81): This is a 50-position, dual-row header from the Hirose DF12 series, pitched at 0.50 mm and designed for a 4 mm mated stacking height. The outer shroud contacts and gold plating (8.00 µin) suit repeated mating cycles in compact mezzanine board stacks.
Obsolete — sourcing options and replacement path
The DF12E(4.0)-50DP-0.5V(81) is marked Obsolete by Hirose. For BOM continuity, we source this part per RFQ — confirm the quantity and we'll check availability across our supply network.
What mates and what to check
The surface-mount termination and 0.50 mm pitch demand careful PCB layout — verify the footprint against the Hirose product drawing before committing the board.