The 5-102619-8: It's a shrouded - 4 wall design with a detent lock, rated 3 A per contact. The gold mating finish (15.0 µin) handles repeated mate cycles, while the tin-plated posts (100.0 µin) solder cleanly into a through-hole board.
The 100.0 µin tin on the solder tail is a standard wave-solder finish; no special flux or pre-tinning needed.
