The 0022284050: The 2.54 mm pitch matches the legacy 0.100-inch grid, so it drops into existing PCB layouts without a footprint change.
Tin Plating and Mating Cycle Reality
Tin is cost-effective and works well for low-cycle-count applications — think one-time assembly or occasional field service. If the connector will see repeated connect-disconnect cycles, the tin surface will fret and oxidise faster than gold. For a harness that stays mated for the life of the product, tin is fine.
