{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"79821-134HLF","brand":"Amphenol","brandSlug":"amphenol","productSlug":"79821-134HLF","canonicalUrl":"https://icsourcedirect.com/amphenol/79821-134HLF","factsUrl":"https://icsourcedirect.com/api/mcp/products/79821-134HLF","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol FCI BERGSTIK® II, 34-position dual-row unshrouded header, 0.100\" (2.54 mm) pitch, 5 A per contact, through-hole solder termination, 30.0 µ\" gold-plated phosphor bronze contacts, UL94 V-0 black housing.","salesMarkdown":"## BERGSTIK II 34-Position Unshrouded Header The Amphenol FCI 79821-134HLF is a 34-circuit, dual-row unshrouded header from the BERGSTIK II series, built on the standard 0.100 inch (2.54 mm) pitch grid. It carries 5 A per contact with a 110 V rating, and the mating surface is plated with 30.0 µ\" (0.76 µm) gold over phosphor bronze — a plating grade that handles repeated mating cycles without the contact fretting you see on tin-plated parts in moderate-vibration environments. The through-hole solder tails are 0.200 inch (5.08 mm) long, and the overall contact length of 0.730 inch (18.54 mm) gives enough stand-off for wire-wrapping or a second board layer if needed. The 0.100 inch pitch is the breadboard-compatible standard — this header drops onto any 0.100-inch grid perfboard or mates with standard 0.100-inch dual-row receptacles without a layout surprise. The through-hole solder termination is straightforward for wave-solder or hand-solder assembly. All 34 positions are loaded, so there are no unpopulated spots to catch out a BOM check.","metaTitle":"Amphenol FCI 79821-134HLF BERGSTIK II Header, 34 Pos, 5 A","metaDescription":"Amphenol FCI BERGSTIK II 79821-134HLF 34-position dual-row unshrouded header, 0.100\" pitch, 5 A per contact, 30 µ\" gold plating, 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":"79821-134HLF","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":"34","Row Spacing - Mating":"0.100\\\" (2.54mm)","Contact Length - Post":"0.200\\\" (5.08mm)","Current Rating (Amps)":"5A","Overall Contact Length":"0.730\\\" (18.54mm)","Contact Finish - Mating":"Gold or Gold, GXT™","Contact Length - Mating":"0.430\\\" (10.92mm)","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Mating":"30.0µin (0.76µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.4078","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/c8f0394c32e820c9621af8eb0b9440c3.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/79821-134HLF/alternatives.json"},"ai":{"faq":[{"question":"What is the pitch of 79821-134HLF?","answer":"The pitch is 0.100 inch (2.54 mm), which is the standard breadboard-compatible grid."},{"question":"What is the current rating of 79821-134HLF?","answer":"The current rating is 5 A per contact, typical for a 0.100-inch pin-and-socket system with gold plating."},{"question":"What is the mating connector for 79821-134HLF?","answer":"This unshrouded header mates with any standard 0.100-inch pitch, dual-row socket or receptacle housing that accepts 0.025-inch square pins."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/79821-134HLF","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/79821-134HLF 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}}