The Amphenol FCI BERGSTIK II 86832-450HLF is a dual-row, 50-position unshrouded male header in the 0.100-inch (2.54 mm) BERGSTIK II series, configured for board-to-board interconnects and sized for through-hole soldering onto a PCB. All 50 positions are loaded, and the extended 0.100-inch post length distinguishes this member from shorter-post siblings in the same base part number family. Contacts are phosphor bronze with tin plating applied to both the mating interface and the solder-post side at 100 µin (2.54 µm), a thickness that supports the rated 5 A per circuit but sits below the gold-plating threshold for high-cycle military or industrial reconnect duty. The housing is UL94 V-0 rated black thermoplastic with a push-pull fastening type — the contacts engage by friction-lock at mating, and the square pin cross-section seats into the matching BERGSTIK II receptacle without a mechanical latch. Board retention is governed by the solder joint and the 0.100-inch insulation height above the board surface.
What the ratings mean for your fit
50 positions across two rows at 0.100-inch pitch is a high-density board-to-board footprint — confirm the board layout routing channels and keep-out zones before committing, especially in multi-connector stack configurations. The 110 V rating limits this to low-voltage signal and power distribution paths; it is not a high-voltage interconnect. 5 A per contact is the per-circuit limit. For board-to-board power rails running at or near rated current, verify the phosphor bronze thermal path through the solder joint does not exceed the housing material's temperature ceiling — the UL94 V-0 rating governs maximum sustained operating temperature, not the current derating curve, which the product drawing defines. The 0.100-inch post length (0.100-inch contact length post, 0.525-inch overall contact length) in the BERGSTIK II 86832 base number family accommodates thicker PCBs or pass-through stacking.
BERGSTIK II is a widely used dual-beam header family — the mating half is the matching BERGSTIK II dual-row receptacle housing with IDC or crimp terminations for discrete-wire or ribbon-cable routing. Verify the mating receptacle accepts the square pin profile and the 0.100-inch row spacing before pairing. The unshrouded header carries no keying protection; polarisation relies on the board footprint or the receptacle's slot.
Sourcing and lifecycle
The 86832-450HLF is listed Active — quoted to order against the BOM quantity, no official successor or cross-reference for this member. Confirm the position count and post length match the BOM line before committing.