{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"79821-442HLF","brand":"Amphenol","brandSlug":"amphenol","productSlug":"79821-442HLF","canonicalUrl":"https://icsourcedirect.com/amphenol/79821-442HLF","factsUrl":"https://icsourcedirect.com/api/mcp/products/79821-442HLF","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol FCI BERGSTIK® II, Header, 42 Positions, 2 Row, 0.100\" (2.54mm) Pitch, Through Hole, Solder, Tin, 5A","salesMarkdown":"The Amphenol FCI 79821-442HLF is a 42-position dual-row unshrouded male header from the BERGSTIK II series, built on the standard 0.100\" (2.54 mm) pitch. It's a board-to-board interconnect — through-hole solder termination, push-pull fastening, with all 42 positions loaded. ## What the 5 A rating means for this header 5 A per circuit is the headline current for a signal-level header — it's not a power bus connector. The limiting factor here is the tin-plated mating surface, not the contact cross-section. If you need frequent reconnections or a corrosive environment, you'd want gold plating — but that's a different BERGSTIK variant. The UL94 V-0 flammability rating is on file, and the tin-over-phosphor bronze contact system is a standard, non-exotic build. RoHS compliance is typical for this series but not explicitly stated in the spec record; confirm with the supplier at order time if your compliance audit requires a cert.","metaTitle":"Amphenol FCI 79821-442HLF BERGSTIK II Header, 42-Pos, 5A","metaDescription":"Amphenol FCI 79821-442HLF BERGSTIK II 42-position unshrouded male header, 0.100\" pitch, 5A, tin contacts, UL94 V-0. Active, available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings"],"specifications":{"Style":"Board to Board","title":"79821-442HLF","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":"79821","Number of Positions":"42","Row Spacing - Mating":"0.100\\\" (2.54mm)","Contact Finish - Post":"Tin","Contact Length - Post":"0.200\\\" (5.08mm)","Current Rating (Amps)":"5A","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 - Mating":"100.0µin (2.54µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.1883","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/c8f0394c32e820c9621af8eb0b9440c3.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/79821-442HLF/alternatives.json"},"ai":{"faq":[{"question":"What is the mating connector for 79821-442HLF?","answer":"This unshrouded male header mates with any standard 0.100\" (2.54 mm) pitch dual-row receptacle or socket strip. No specific mating part number is listed; the fit depends on the receptacle's insulator dimensions and contact beam design."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/79821-442HLF","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/79821-442HLF 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}}