{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"86840-406HLF","brand":"Amphenol","brandSlug":"amphenol","productSlug":"86840-406HLF","canonicalUrl":"https://icsourcedirect.com/amphenol/86840-406HLF","factsUrl":"https://icsourcedirect.com/api/mcp/products/86840-406HLF","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol FCI BERGSTIK II, Header, 86840-406HLF, 6 circuits, 2 rows, 0.100\" (2.54mm) pitch, Through Hole, Right Angle, Solder, Tin mating finish, 5A, 110V.","salesMarkdown":"The Amphenol FCI 86840-406HLF is a 6-circuit, dual-row unshrouded header from the BERGSTIK II series, designed for board-to-board interconnect. It uses a 0.100\" (2.54mm) pitch on both the mating interface and row spacing — a standard footprint that matches legacy 0.100\" grid layouts. The right-angle through-hole termination places the pin rows parallel to the PCB, suited for board-edge or mezzanine connections where the mated pair runs parallel to the board surface. Tin-plated phosphor bronze contacts carry a 5 A per circuit rating at 110 V, with a 100.0 µin (2.54 µm) tin mating finish. The black UL94 V-0 rated housing and push-pull fastening make this a straightforward, no-latch header for internal board stacks where vibration is controlled. ## What the ratings mean for the fit The 0.100\" (2.54mm) pitch is the key footprint dimension — it dictates the PCB hole pattern and the mating receptacle's contact spacing. At 5 A per circuit, the current rating is typical for signal-level duty and light power distribution; the limiting factor is the temperature rise through the tin-plated contact interface, not the bulk phosphor bronze. The 100.0 µin (2.54 µm) tin mating finish is a thick, cost-effective plating suited for moderate mating cycles (typically 25–50 cycles) in controlled environments. Tin is not rated for frequent field-service reconnection or corrosive atmospheres — if the assembly sees repeated unmating or outdoor exposure, a gold-plated sibling in the BERGSTIK II family would be the better call. The right-angle orientation means the header stands off the board at 0.190\" (4.83mm) insulation height, with a 0.230\" (5.84mm) solder tail for through-hole wave soldering.","metaTitle":"Amphenol FCI BERGSTIK II 86840-406HLF, 6-pos Header, 2.54mm","metaDescription":"Amphenol FCI BERGSTIK II 86840-406HLF, 6-circuit dual-row header, 0.100\" (2.54mm) pitch, right-angle through-hole, tin-plated contacts, 5A, 110V, UL94 V-0.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings"],"specifications":{"Style":"Board to Board","title":"86840-406HLF","Series":"BERGSTIK® II","Package":"Bag","Shrouding":"Unshrouded","Termination":"Solder","Contact Type":"Male Pin","Contact Shape":"Square","Mounting Type":"Through Hole, Right Angle","Connector Type":"Header","Fastening Type":"Push-Pull","Number of Rows":"2","Pitch - Mating":"0.100\\\" (2.54mm)","Voltage Rating":"110V","Contact Material":"Phosphor Bronze","Insulation Color":"Black","Insulation Height":"0.190\\\" (4.83mm)","Base Product Number":"86840","Number of Positions":"6","Row Spacing - Mating":"0.100\\\" (2.54mm)","Contact Finish - Post":"Tin","Contact Length - Post":"0.230\\\" (5.84mm)","Current Rating (Amps)":"5A","Contact Finish - Mating":"Tin","Contact Length - Mating":"0.318\\\" (8.08mm)","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Mating":"100.0µin (2.54µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.3900","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/f07eb009696ffe298bd4359a478f2e44.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/86840-406HLF/alternatives.json"},"ai":{"faq":[{"question":"What does the 86840-406HLF mate with?","answer":"The 86840-406HLF mates with any standard 0.100 inch (2.54 mm) pitch dual-row receptacle with six positions and compatible pin geometry. Confirm the 0.100 inch row spacing and 6-circuit position count match the mating half before ordering."},{"question":"What is the contact plating on the 86840-406HLF, and what does it mean for mating cycles?","answer":"Both the mating face and the post termination are tin-plated, with 100 µin (2.54 µm) on the mating interface — the standard finish for the BERGSTIK II series, suitable for multiple mating cycles in industrial environments. The tin thickness is the durability parameter to compare against lower-plating variants in the same series when cycle life matters for the application."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/86840-406HLF","citationPolicyUrl":"https://icsourcedirect.com/llms.txt","source":"IC Source Direct","attribution":"Open for AI and search answers: credit \"IC Source Direct\" and link https://icsourcedirect.com/amphenol/86840-406HLF when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:52:26.615Z","lastPublished":"2026-08-11T15:52:26.615Z","indexable":true}}