{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"77311-122-20","brand":"Amphenol","brandSlug":"amphenol","productSlug":"77311-122-20","canonicalUrl":"https://icsourcedirect.com/amphenol/77311-122-20","factsUrl":"https://icsourcedirect.com/api/mcp/products/77311-122-20","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol ICC (FCI) BergStik, 20-position single-row unshrouded header, 0.100\" (2.54 mm) pitch, through-hole solder termination, gold or GXT™ mating finish, tin-lead post, UL94 V-0.","salesMarkdown":"## BergStik Unshrouded Header – 20-Position Through-Hole The 77311-122-20: The post finish is tin-lead at 150.0 µinch (3.81 µm), a legacy solder alloy that requires compatible wave-solder profiles. ## Obsolete – Sourcing Through Surplus Channels Amphenol ICC (FCI) lists this part as Obsolete. No factory orders are accepted; availability is limited to independent surplus and distributor inventory. No direct pin-compatible replacement is recorded from the original manufacturer. The single-row layout keeps the board-edge footprint narrow, useful for dense parallel-board or cable-to-board connections.","metaTitle":"77311-122-20 BergStik Header – 20 Pos, 0.100\" Pitch","metaDescription":"77311-122-20 Amphenol ICC (FCI) BergStik unshrouded header, 20 positions, 0.100\" pitch, through-hole, gold mating finish. Obsolete – sourced per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Pin Headers, Sockets & Housings"],"specifications":{"Mfr":"Amphenol ICC (FCI)","Style":"Board to Board","Series":"BERGSTIK®","Package":"Bulk","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":"1","Pitch - Mating":"0.100\\\" (2.54mm)","Product Status":"Obsolete","Voltage Rating":"-","lifecycle_stage":"unknown","Contact Material":"Phosphor Bronze","Insulation Color":"Black","Insulation Height":"0.100\\\" (2.54mm)","Ingress Protection":"-","Base Product Number":"77311","Insulation Material":"Thermoplastic","Number of Positions":"20","Row Spacing - Mating":"-","Contact Finish - Post":"Tin-Lead","Contact Length - Post":"0.120\\\" (3.05mm)","Current Rating (Amps)":"-","Operating Temperature":"-","Mated Stacking Heights":"-","Overall Contact Length":"0.525\\\" (13.34mm)","Contact Finish - Mating":"Gold or Gold, GXT™","Contact Length - Mating":"0.305\\\" (7.75mm)","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Post":"150.0µin (3.81µm)","Contact Finish Thickness - Mating":"30.0µin (0.76µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.2000","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/b7619af15a6f914d234facab530ef078.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the direct replacement for 77311-122-20?","answer":"No official pin-compatible replacement is recorded from the original manufacturer."},{"question":"Where can I buy 77311-122-20?","answer":"We source this obsolete part through independent distribution. Submit an RFQ with your target quantity; we confirm availability and current pricing at quote time. No stock-holding claim is made."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/77311-122-20","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/77311-122-20 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}}