Board Layout and Pin Assignment
The 77311-101-16LF: The unshrouded profile leaves the pins exposed, which keeps the board footprint compact but means the mating receptacle needs its own alignment features.
Mating Finish and Cycle Life
Gold on the mating face means this header pairs well with a receptacle that also has gold contacts — mixing gold with tin on the same interface can accelerate fretting corrosion in high-vibration applications.
RoHS compliant. No official second-source or successor cross-reference from the manufacturer.
