Right-angle shrouded header with board lock
The 1-178294-3 is the 4-position member of TE's Dynamic D-3100 header line, configured as a through-hole right-angle shrouded header with a detent lock and integral board lock. Gold-plated mating contacts rated 250 V, 0.150" (3.81mm) pitch, single-row layout, UL94 V-0 thermoplastic housing.
Series & positions
Within the Dynamic D-3100 series the 1-178294-3's 4 positions are the smallest count — the pitch, single-row layout, and shrouded right-angle footprint are shared across the series, so match the position count to circuit count.