Pitch and Footprint — Why 1.50 mm Matters
The 7-917570-2: The 0.059" (1.50 mm) pitch on this 12-position single-row header sets the board-space budget: each contact centerline is 1.50 mm apart, which limits routing density on the PCB but keeps the footprint compatible with standard wire-to-board connectors in the Mini VP family. At this pitch, the per-contact current ceiling is 1 A — the narrow spacing means the temperature rise across the row stays within the polyamide housing limit.
Current and Plating — Signal-Duty Realities
Tin is adequate for low-cycle, low-current signal paths — think sensor inputs or control signals — but not for repeated hot-plug or high-vibration applications where gold flash would be specified. The 78.7 µin post finish is standard for solder-joint reliability in reflow processes.
Mating and Locking — What It Connects To
This is a board-to-cable/wire header (style per) with a locking ramp fastening type. It mates with Mini VP receptacle housings that accept female blade socket contacts. The locking ramp provides audible positive retention — useful in moderate vibration environments like automotive interiors or industrial control cabinets.