The FX2-100S-1.27DSL(71) is a 100-position 2-row 1.27mm female multi-function Stacking Board Receptacle with black polyamide insulator and selective gold plated phosphor bronze contacts. The FX2 series receptacle has through hole mounting style, right angle connector orientation, standard on-board mounting side, soldering PCB stabilizing feature, staggered lead. The straight through hole type takes the complete flux tight action from the board back side at solder dipping. The type is prepared, corresponding to whether or not cleaning is required.