{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"0039299183","brand":"Molex","brandSlug":"molex","productSlug":"0039299183","canonicalUrl":"https://icsourcedirect.com/molex/0039299183","factsUrl":"https://icsourcedirect.com/api/mcp/products/0039299183","rawCanonicalId":null},"summary":{"shortDescription":"Molex Mini-Fit Jr 5566 series, 0039299183, Board to Cable/Wire header, 18 circuits, 4.20mm pitch, dual-row, through-hole, tin-plated male pins, shrouded with board lock.","salesMarkdown":"## 18-Position Power Header for Wire-to-Board Routing The 0039299183: This is a Molex Mini-Fit Jr 5566 series header, 18 positions arranged in two rows at 4.20mm pitch — the standard spacing for medium-current wire-to-board interconnects in industrial and telecom gear. ## Mechanical Retention in Vibration-Prone Installations The insulation height of 0.504\" (12.80mm) gives clearance for the locking mechanism and allows the receptacle to seat fully without interference from nearby components.","metaTitle":"Molex 0039299183 Mini-Fit Jr 18-Pin Header 4.2mm Pitch","metaDescription":"Molex 0039299183 Mini-Fit Jr 5566 header, 18 positions, 4.20mm pitch, tin-plated, shrouded, board lock. 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":"18","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-2","Contact Finish Thickness - Post":"35.0µin (0.90µm)","Contact Finish Thickness - Mating":"35.4µin (0.90µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.1100","priceTiers":[{"qty":1,"price":"$3.11000","currency":"USD"},{"qty":10,"price":"$2.73300","currency":"USD"},{"qty":80,"price":"$2.17400","currency":"USD"},{"qty":945,"price":"$1.80133","currency":"USD"},{"qty":4900,"price":"$1.61499","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/4e184a4f578fcf270cddf5dd28b301f6.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/0039299183/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy Molex 0039299183 and how do I get a price?","answer":"We source this part through independent distribution channels. Submit an RFQ with your target quantity; we confirm availability and current pricing at quote time. No stock-holding claim — quoted per order."},{"question":"Is 0039299183 compatible with Mini-Fit Jr receptacles?","answer":"Yes — this header mates with standard Mini-Fit Jr receptacle housings (e.g., 5557 series) using the matching crimp terminals. The 4.20mm pitch and locking ramp are common across the series."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/molex/0039299183","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/0039299183 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}}