{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"77311-118-21LF","brand":"Amphenol","brandSlug":"amphenol","productSlug":"77311-118-21LF","canonicalUrl":"https://icsourcedirect.com/amphenol/77311-118-21LF","factsUrl":"https://icsourcedirect.com/api/mcp/products/77311-118-21LF","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol ICC (FCI) BERGSTIK®, 21-position unshrouded header, 0.100\" (2.54 mm) pitch, through-hole solder termination, 3 A per contact, 30 µinch gold mating finish, UL94 V-0 thermoplastic, RoHS compliant.","salesMarkdown":"## 21-Position Unshrouded Header, 0.100\" Pitch The 77311-118-21LF: The 21 circuits are fully loaded, so the BOM position count matches the pin count exactly. Operating temperature spans -65°C to 125°C, covering industrial cabinet, automotive underhood, and outdoor telecom environments where the connector sees thermal cycling. RoHS compliant per. In a vibration-prone application, a secondary retention method (wire tie or potting) is worth considering. The square pin profile (0.025\" nominal) mates with standard box-type or tuning-fork receptacles.","metaTitle":"77311-118-21LF Amphenol ICC BERGSTIK® 21-Pin Header","metaDescription":"Active Amphenol ICC BERGSTIK® unshrouded header, 21 positions, 0.100\" pitch, 3 A per contact, 30 µinch gold mating finish, through-hole, UL94 V-0.","metaKeywords":null},"attributes":{"series":"BERGSTIK®","packageCase":null,"mountingType":null,"rohsStatus":"RoHS Compliant","productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings","Pin Headers"],"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":"Active","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":"21","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"0.120\\\" (3.05mm)","Current Rating (Amps)":"3A per Contact","Operating Temperature":"-65°C~125°C","Mated Stacking Heights":"-","Overall Contact Length":"0.450\\\" (11.43mm)","Contact Finish - Mating":"Gold or Gold, GXT™","Contact Length - Mating":"0.230\\\" (5.84mm)","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Post":"78.7µin (2.00µm)","Contact Finish Thickness - Mating":"30.0µin (0.76µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.0800","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$2.08000","currency":"USD"},{"qty":10,"price":"$1.80900","currency":"USD"},{"qty":100,"price":"$1.61660","currency":"USD"},{"qty":500,"price":"$1.34718","currency":"USD"},{"qty":1000,"price":"$1.15473","currency":"USD"},{"qty":5000,"price":"$1.02386","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/b7619af15a6f914d234facab530ef078.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to 77311-118-21LF in the BERGSTIK® series?","answer":"The BERGSTIK® series includes many single-row, 0.100\" pitch headers with the same contact finish and material — a different position count or post length would require a board layout change. Confirm the BOM position count and mating half before substituting."},{"question":"Is 77311-118-21LF RoHS compliant?","answer":"Yes, it is RoHS compliant per the manufacturer's listing. The housing material is UL94 V-0 rated thermoplastic."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/77311-118-21LF","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/77311-118-21LF 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}}