{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"0039013063","brand":"Molex","brandSlug":"molex","productSlug":"0039013063","canonicalUrl":"https://icsourcedirect.com/molex/0039013063","factsUrl":"https://icsourcedirect.com/api/mcp/products/0039013063","rawCanonicalId":null},"summary":{"shortDescription":"Molex Mini-Fit Jr 5559 series, 0039013063, 6-position dual-row plug, 4.20mm pitch, natural PA66 housing, crimp termination, locking ramp, free-hanging, -40°C to 105°C.","salesMarkdown":"## 6-Position Mini-Fit Jr Plug, 4.20mm Pitch The Molex 0039013063 is a 6-circuit plug from the Mini-Fit Jr 5559 series, built for wire-to-wire and wire-to-board power interconnects in harness assemblies. It carries two rows on a 0.165\" (4.20mm) pitch, giving it the same footprint as the full Mini-Fit Jr family — so the board layout and mating receptacle stay consistent across 2- through 24-circuit variants. The listing note spells it out: contacts not included. This plug ships as an empty housing only. You need the 45750-series male crimp terminals (Molex 45750-3111 for 18-24 AWG, or the 45750-2111 for 20-24 AWG) to populate it. For a harness build, figure one terminal per circuit plus a few spares for pull-test rejects. ## Mates With 5557 Receptacle — Locking Ramp Holds Under Vibration This plug mates with the Mini-Fit Jr 5557-series receptacle housing (dual-row, same 4.20mm pitch). That ramp is the difference between a connector that stays mated on a forklift and one that backs off a half-turn and drops a sensor. No secondary lock or TPA required for most applications, though the 5557 receptacle does accept a CPA (Connector Position Assurance) insert if the customer spec demands it.","metaTitle":"Molex Mini-Fit Jr 0039013063, 6-Position Plug, 4.20mm Pitch","metaDescription":"Molex 0039013063 Mini-Fit Jr 5559 series plug, 6 circuits, dual-row 4.20mm pitch, natural PA66 housing, locking ramp. Active production. Contacts not included.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Wire-to-Board Connectors"],"specifications":{"Mfr":"Molex","Note":"Contacts Not Included","Color":"Natural","Pitch":"0.165\\\" (4.20mm)","Series":"Mini-Fit Jr 5559","Features":"-","Packaging":"Bulk","Part Status":"Active","Row Spacing":"0.165\\\" (4.20mm)","Contact Type":"Male Pin","Mounting Type":"Free Hanging (In-Line)","Connector Type":"Plug","Fastening Type":"Locking Ramp","Number of Rows":"2","lifecycle_stage":"unknown","Base Product Number":"003901","Contact Termination":"Crimp","Insulation Material":"Polyamide (PA66), Nylon 6/6","Number of Positions":"6","Operating Temperature":"-40°C ~ 105°C"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.4400","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/b7e09f0a173e5b0b8ada82184bda7890.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/molex/0039013063","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/0039013063 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:46:37.382Z","lastPublished":"2026-07-22T19:46:37.382Z","indexable":true}}