{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"79821-444HLF","brand":"Amphenol","brandSlug":"amphenol","productSlug":"79821-444HLF","canonicalUrl":"https://icsourcedirect.com/amphenol/79821-444HLF","factsUrl":"https://icsourcedirect.com/api/mcp/products/79821-444HLF","rawCanonicalId":null},"summary":{"shortDescription":"FCI Amphenol BERGSTIK® II, Header, 79821-444HLF, 44 Positions, 2 Rows, 0.100\" (2.54mm) Pitch, Through Hole, Solder Termination, Tin Mating Finish, 5 A.","salesMarkdown":"The 79821-444HLF is a 44-position, dual-row unshrouded header from the FCI Amphenol BERGSTIK® II series. It uses a 0.100\" (2.54 mm) pitch on both rows and contacts, which is the standard breadboard spacing. The square male pins are phosphor bronze with a 100.0 µin (2.54 µm) tin finish on the mating surface and tin on the solder tails. The unshrouded, push-pull design means no polarization key — orientation is set by the board layout. The UL94 V-0 black insulator handles the flame rating required inside most equipment enclosures. Within the BERGSTIK® II family, the 44-position 79821-444HLF sits above the more common 10- and 20-position variants. The 100.0 µin tin mating finish is standard for this series — it handles moderate mating cycles well, but if your application requires frequent field reconnects (over 50 cycles), a gold-plated sibling from the same series would be a better fit. This is an unshrouded male header — it mates with any standard 0.100\" pitch dual-row female socket or IDC receptacle that accepts 0.025\" square pins. The overall contact length of 0.730\" (18.54 mm) breaks down into a 0.430\" (10.92 mm) mating length and a 0.200\" (5.08 mm) solder tail for through-hole PCB mounting. The 0.100\" (2.54 mm) insulation height above the board leaves room for trace routing under the header body.","metaTitle":"79821-444HLF BERGSTIK II Header, 44 Pos, 0.100\" Pitch, 5 A","metaDescription":"FCI Amphenol 79821-444HLF BERGSTIK II unshrouded header, 44 positions, 0.100\" pitch, 5 A, tin plating. Active production, sourced to order. Request a quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings"],"specifications":{"Mfr":"Amphenol ICC (FCI)","Style":"Board to Board","Series":"BERGSTIK® II","Package":"Bag","Features":"-","Shrouding":"Unshrouded","Termination":"Solder","Applications":"-","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)","Product Status":"Active","Voltage Rating":"110V","lifecycle_stage":"unknown","Contact Material":"Phosphor Bronze","Insulation Color":"Black","Insulation Height":"0.100\\\" (2.54mm)","Ingress Protection":"-","Base Product Number":"79821","Insulation Material":"-","Number of Positions":"44","Row Spacing - Mating":"0.100\\\" (2.54mm)","Contact Finish - Post":"Tin","Contact Length - Post":"0.200\\\" (5.08mm)","Current Rating (Amps)":"5A","Operating Temperature":"-","Mated Stacking Heights":"-","Overall Contact Length":"0.730\\\" (18.54mm)","Contact Finish - Mating":"Tin","Contact Length - Mating":"0.430\\\" (10.92mm)","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Post":"-","Contact Finish Thickness - Mating":"100.0µin (2.54µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.9526","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/c8f0394c32e820c9621af8eb0b9440c3.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/79821-444HLF/alternatives.json"},"ai":{"faq":[{"question":"Does 79821-444HLF have a locking feature?","answer":"No, this is an unshrouded header with push-pull fastening. There is no latch, lock, or polarization key — retention relies on contact friction."},{"question":"What is the pitch of 79821-444HLF?","answer":"The pitch is 0.100\" (2.54 mm) on both the rows and the contacts, matching standard breadboard and prototyping layouts."},{"question":"How many pins does 79821-444HLF have?","answer":"It has 44 positions loaded in two rows, with all positions populated."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/79821-444HLF","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/79821-444HLF 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}}