Board-to-Board Stacking with 68 Circuits at 2.54mm Pitch
The base product number 71991 covers the Dubox receptacle family; the -334LF suffix specifies the 68-position, dual-row, through-hole variant with gold mating finish and tin post plating.
Application Fit and Environment
The bottom or top entry design allows the receptacle to be used on either the motherboard or daughtercard side of the stack.