{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"79425-440HLF","brand":"Amphenol","brandSlug":"amphenol","productSlug":"79425-440HLF","canonicalUrl":"https://icsourcedirect.com/amphenol/79425-440HLF","factsUrl":"https://icsourcedirect.com/api/mcp/products/79425-440HLF","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol FCI BERGSTIK® II, 79425-440HLF, 40-position dual-row unshrouded male header, 0.100\" (2.54mm) pitch, through-hole solder termination, 5 A per circuit at 110 V, tin-plated mating contacts, UL94 V-0 black housing.","salesMarkdown":"It uses a 0.100\" (2.54mm) pitch on both the row spacing and the pin-to-pin spacing, which is the standard footprint for legacy board-to-board interconnects. The through-hole solder termination and 0.120\" (3.05mm) post length suit it for standard PCB thicknesses around 1.6 mm; the 0.190\" (4.83mm) mating contact length provides a solid wipe for a reliable connection. Rated 5 A per circuit at 110 V, the 79425-440HLF is a signal-level header — the 5 A per pin is typical for logic-level power and low-current I/O, not bus-level distribution. The 110 V rating gives enough headroom for 48 V telecom rails and 24 V industrial supplies without creepage concerns at this pitch. The tin-plated mating contacts (100.0 µin / 2.54 µm thick) are cost-effective for moderate mating-cycle applications — expect a few hundred cycles before the tin wears through.","metaTitle":"Amphenol FCI BERGSTIK II 79425-440HLF, 40-Pos Header","metaDescription":"79425-440HLF 40-position dual-row unshrouded male header, 0.100\" (2.54mm) pitch, through-hole solder, 5 A per circuit at 110 V, tin-plated contacts, 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":"79425-440HLF","Series":"BERGSTIK® II","Package":"Bag","Shrouding":"Unshrouded","Termination":"Solder","Contact Type":"Male Pin","Contact Shape":"Square","Mounting Type":"Through Hole","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":"0.100\\\" (2.54mm)","Base Product Number":"79425","Number of Positions":"40","Row Spacing - Mating":"0.100\\\" (2.54mm)","Contact Finish - Post":"Tin","Contact Length - Post":"0.120\\\" (3.05mm)","Current Rating (Amps)":"5A","Overall Contact Length":"0.410\\\" (10.41mm)","Contact Finish - Mating":"Tin","Contact Length - Mating":"0.190\\\" (4.83mm)","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":"$8.3900","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/c8f0394c32e820c9621af8eb0b9440c3.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/79425-440HLF/alternatives.json"},"ai":{"faq":[{"question":"What is the pitch of the 79425-440HLF?","answer":"The 79425-440HLF uses a 0.100\" (2.54mm) pitch on both the pin spacing and the row spacing, matching the standard 0.100\" grid footprint for board-to-board interconnects."},{"question":"What is the pin length of the 79425-440HLF?","answer":"The overall contact length is 0.410\" (10.41mm), with a mating contact length of 0.190\" (4.83mm) and a solder post length of 0.120\" (3.05mm)."},{"question":"What is the current rating of the 79425-440HLF?","answer":"Rated 5 A per circuit at 110 V, suitable for signal-level power and low-current I/O in board-to-board applications."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/79425-440HLF","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/79425-440HLF when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-23T20:41:44.623Z","lastPublished":"2026-07-23T20:41:44.623Z","indexable":true}}