The Amphenol FCI BERGSTIK II 86837-138HLF is a 38-position, dual-row male header rated 5 A per circuit at 0.100" (2.54mm) pitch — a standard board-to-board interconnect in industrial automation and instrumentation. The header mates with the matching BERGSTIK II receptacle housing; all 38 positions are loaded. Gold-over-nickel contact plating at 30.0µin (0.76µm) covers the mating interface, with phosphor bronze contact material carrying the current path through the square pin. The housing is UL94 V-0 black thermoplastic; insulation height sits at 0.100" (2.54mm) from the board surface.
Plating grade and duty
Gold-or-gold GXT plating at 30.0µin (0.76µm) puts this at the premium end of the BERGSTIK II range — the thicker gold layer extends mating cycle life significantly over tin-plated siblings and maintains low contact resistance at first mate. Rated 5 A per contact; the voltage ceiling is 110 V, so this is a signal-and-power board-to-board header at moderate current.