2.54mm pitch, 6-position breakaway — the board footprint anchor
Tin plating at 78.7µin — signal duty, not high-cycle
Tin is a cost-effective contact surface for moderate mating cycles — expect 50-100 cycles before fretting corrosion becomes a concern in a vibrating environment. For a board that is assembled once and rarely reworked, this is a reliable, budget-conscious choice. The square pin profile (0.64mm square) is standard for AMPMODU Mod II receptacles and most 2.54mm-pitch IDC connectors.
Through-hole, push-pull — no secondary lock
In a low-vibration environment like a stationary control panel or bench-top instrument, the friction fit of the square pin in the receptacle is sufficient.
Active production, RoHS — no LTB watch
How 826942-3 compares to 953440-3
The closest peer in the ledger is 953440-3 — also a 6-position, 2-row, 2.54mm-pitch header from TE, but with key differences: 953440-3 is a shrouded header with a friction lock, right-angle mounting, and a brown UL94 HB housing, designed for board-to-cable/wire applications. 826942-3 is unshrouded, vertical, push-pull, and board-to-board or cable — it lacks the vibration-resistant lock and the right-angle orientation of 953440-3. If your application needs a locking connection for a cable harness, 953440-3 is the functional alternative. If you need a bare header for a board-to-board stack or an unlatched receptacle, 826942-3 is the simpler, lower-profile choice.