The 2.50 mm pitch sets the PCB footprint and the per-contact current ceiling — at 3 A the temperature rise stays within the UL94 V-0 glass-filled nylon 6/6 housing.
Peer comparison: 917727-1 vs 953440-3
The 917727-1 offers 7 positions in a single row with a vertical orientation and a latch holder, making it a better fit for board-to-cable harnesses where panel space is tight and a straight plug-in is needed.
