30-Position Right-Angle SMT Header at 1.27 mm — Board Layout Fit
The 104894-3: The 2-row layout with 0.050" row spacing fits a compact footprint — each row sits 1.27 mm apart, so the total width across the outer pins is under 4 mm. For a board layout engineer, the pitch sets the trace escape density: 1.27 mm allows one via between pads on a standard 0.5 mm trace/space rule.
Signal-Level Current Ceiling and Contact Plating
The tin-lead post finish (150 µinch) is a legacy solder surface — not RoHS-compliant per current EU directives. The brass contact material with circular pin shape provides consistent insertion force and electrical continuity. Gold-on-gold mating interface minimizes contact resistance drift over time.