{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"0039299166","brand":"Molex","brandSlug":"molex","productSlug":"0039299166","canonicalUrl":"https://icsourcedirect.com/molex/0039299166","factsUrl":"https://icsourcedirect.com/api/mcp/products/0039299166","rawCanonicalId":null},"summary":{"shortDescription":"Molex Mini-Fit Jr 5566 series, 0039299166, vertical through-hole header, 16 circuits, dual-row, 4.20mm pitch, shrouded 4-wall, tin-plated contacts, board lock, locking ramp, UL94 V-0.","salesMarkdown":"## 16-Position, 4.20mm Pitch, Dual-Row Header with Board Lock The 0039299166 is a 16-position, dual-row vertical header from the Mini-Fit Jr 5566 series, with a 4.20mm mating pitch and 4.20mm row spacing. ## Tin-Plated Contacts and UL94 V-0 Housing This header mates with Mini-Fit Jr 5556 series crimp receptacle housings. The build-to-print BOM must include the matching receptacle housing (e.g., Molex 39-01-2xx series) and the appropriate crimp terminals (e.g., Molex 5556 series male pins for the header side, 5558 series female terminals for the receptacle). The base product number is 003929; the 16-position variant is 0039299166. Peer variants include the 18-position 0039299187 — the same pitch, plating, and features, differing only in circuit count.","metaTitle":"Molex 0039299166 Mini-Fit Jr 5566 Header, 16 Pos, 4.2mm","metaDescription":"Molex 0039299166 Mini-Fit Jr 5566 vertical header, 16 circuits, 4.20mm pitch, tin-plated contacts, board lock, UL94 V-0. Active production. Sourced per RFQ.","metaKeywords":null},"attributes":{"series":"Mini-Fit Jr 5566","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings","Pin Headers"],"specifications":{"Mfr":"Molex","Style":"Board to Cable/Wire","Series":"Mini-Fit Jr 5566","Package":"Tray","Features":"Board Lock","Shrouding":"Shrouded - 4 Wall","Termination":"Solder","Applications":"General Purpose, Industrial, Telecommunications","Contact Type":"Male Pin","Contact Shape":"Square","Mounting Type":"Through Hole","Connector Type":"Header","Fastening Type":"Locking Ramp","Number of Rows":"2","Pitch - Mating":"0.165\\\" (4.20mm)","Product Status":"Active","Voltage Rating":"-","lifecycle_stage":"unknown","Contact Material":"Brass","Insulation Color":"Natural","Insulation Height":"0.504\\\" (12.80mm)","Ingress Protection":"-","Base Product Number":"003929","Insulation Material":"Polyamide (PA66), Nylon 6/6","Number of Positions":"16","Row Spacing - Mating":"0.165\\\" (4.20mm)","Contact Finish - Post":"Tin","Contact Length - Post":"0.138\\\" (3.50mm)","Current Rating (Amps)":"-","Operating Temperature":"-","Mated Stacking Heights":"-","Overall Contact Length":"-","Contact Finish - Mating":"Tin","Contact Length - Mating":"-","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Post":"35.0µin (0.90µm)","Contact Finish Thickness - Mating":"35.4µin (0.90µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.2600","priceTiers":[{"qty":1,"price":"$3.26000","currency":"USD"},{"qty":10,"price":"$2.86600","currency":"USD"},{"qty":80,"price":"$2.28013","currency":"USD"},{"qty":945,"price":"$1.88921","currency":"USD"},{"qty":4900,"price":"$1.69377","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/a1b12641802751c00e5839a75595711a.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/0039299166/alternatives.json"},"ai":{"faq":[{"question":"Does 0039299166 mate with Molex 5556 series crimp housings?","answer":"Yes, this header is from the Mini-Fit Jr 5566 series and mates with Mini-Fit Jr 5556 series receptacle housings. The build-to-print BOM must include the receptacle housing and the appropriate crimp terminals — the header side uses male pins, the receptacle side uses female terminals."},{"question":"What is the pitch of Molex 0039299166?","answer":"The mating pitch is 0.165\" (4.20mm) with the same row spacing."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/molex/0039299166","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/molex/0039299166 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}}