0.40 mm Pitch, 30-Position Board-to-Board Receptacle
The Hirose DF37NB-30DS-0.4V(51) is a 30-position receptacle with center strip contacts from the DF37 series, designed for parallel board stacking at a 0.40 mm pitch. The 0.40 mm pitch drives the PCB footprint — it demands fine-line routing and a matching DF37 series plug to complete the mezzanine connection. With a mated stacking height of 0.98 mm and a height above board of 0.038" (0.97 mm), this connector fits tight z-height budgets in compact portable electronics, LCD panel interconnects, and miniaturized sensor modules.
The DF37NB-30DS-0.4V(51) includes solder retention features that hold the connector in place during reflow, reducing the risk of tombstoning or shifting on a fine-pitch 0.40 mm part. The gold contact finish (2.00 µin) provides adequate corrosion resistance for the internal environment of a sealed consumer device, though the thin plating limits the connector to a low number of mating cycles.