The Amphenol 86837-424HLF is a 24-position, dual-row, unshrouded male pin header from the BERGSTIK® II series. It uses a 0.100" (2.54mm) square grid — both pitch and row spacing — which is the standard footprint for legacy and current board-to-board interconnects. Rated 5 A per contact at 110 V, with a thick 100.0 µin tin plating on the mating surface, this header is built for cost-sensitive, low-cycle signal and power distribution inside an enclosure. The black UL94 V-0 rated housing and through-hole solder termination make it a straightforward fit for a wide range of PCB assemblies.
What the ratings mean for the fit
The 0.100" pitch and row spacing define the board footprint — a standard 0.100" x 0.100" grid that matches decades of legacy layouts. The 24 positions loaded all mean the BOM line is a straight 24-circuit count; no partial loading to track. The 5 A per-contact rating is typical for a signal-grade header at this pitch — the limiting factor is the temperature rise in the housing, not the contact itself. The 100.0 µin tin mating finish is thick enough for occasional mating cycles in a permanent or semi-permanent assembly, but it will wear faster than gold under repeated disconnect/reconnect. The unshrouded push-pull fastening means no keying or polarization — the mating receptacle must be aligned by the board layout or a separate alignment feature.