{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"0039299086","brand":"Molex","brandSlug":"molex","productSlug":"0039299086","canonicalUrl":"https://icsourcedirect.com/molex/0039299086","factsUrl":"https://icsourcedirect.com/api/mcp/products/0039299086","rawCanonicalId":null},"summary":{"shortDescription":"Molex Mini-Fit Jr 5566 series, 0039299086, Board to Cable/Wire header, 8 positions, 2 rows, 0.165\" (4.20mm) pitch, Through Hole, Solder termination, Tin mating finish, Locking Ramp, UL94 V-0.","salesMarkdown":"This is an 8-position, 2-row header in the Mini-Fit Jr 5566 family. The 4.20mm pitch is consistent across the series, so the footprint and mating interface are shared with other position counts — but the 8-position variant is a sweet spot for moderate power distribution (e.g., a 24V DC supply rail with four circuits per polarity) without the bulk of a 12- or 16-position header. Compared to a 10-position sibling, this 8-position part saves two board positions and the corresponding receptacle cavities — a meaningful difference when the harness layout is tight.","metaTitle":"Molex 0039299086 Mini-Fit Jr Header 8 Pos 4.2mm","metaDescription":"Molex 0039299086 Mini-Fit Jr 5566 header, 8 pos, 2 rows, 4.20mm pitch, tin-plated, locking ramp. Active production, ROHS3 compliant. 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":"8","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":"$2.0700","priceTiers":[{"qty":1,"price":"$2.07000","currency":"USD"},{"qty":10,"price":"$1.76500","currency":"USD"},{"qty":80,"price":"$1.45850","currency":"USD"},{"qty":945,"price":"$1.15140","currency":"USD"},{"qty":4900,"price":"$1.02091","currency":"USD"},{"qty":10000,"price":"$0.99788","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/381b450bc4d10843178ea5756707c14c.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/0039299086/alternatives.json"},"ai":{"faq":[{"question":"What is the mating connector for 0039299086?","answer":"The mating half is a Mini-Fit Jr receptacle housing (e.g., Molex 39-01-2085 or similar 8-position, 2-row receptacle) that accepts the matching crimp terminals."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/molex/0039299086","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/0039299086 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}}