Board Layout Fit: Pitch, Row Spacing, and Pin Length
The 77313-118-68LF: The post length suits boards up to ~1.6 mm thick; for thicker boards, verify the post protrusion through the plated hole.
Current and Contact: What 3 A per Pin Means in Practice
Phosphor bronze contact material provides good spring retention and corrosion resistance. The square pin shape mates with standard 0.025" square-post receptacles.
Mating and Termination: Unshrouded Header, Push-Pull Retention
The 0.100" insulation height leaves the pins exposed for probing or wire wrapping.
