54-position breakaway header
The 77317-403-54LF is the 54-circuit member of Amphenol's BergStik unshrouded header line. It carries tin-plated mating contacts rated 3 A per contact and mounts through-hole right-angle with a 0.100" (2.54 mm) pitch and row spacing.
Position count in the series
Within the BergStik 77317 series the 54-position 77317-403-54LF sits between the 50-position and 60-position siblings — the 0.100" pitch, dual-row layout, and tin plating are shared across the series, so match the position count to circuit count.