{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"0039014031","brand":"Molex","brandSlug":"molex","productSlug":"0039014031","canonicalUrl":"https://icsourcedirect.com/molex/0039014031","factsUrl":"https://icsourcedirect.com/api/mcp/products/0039014031","rawCanonicalId":null},"summary":{"shortDescription":"Molex Mini-Fit Jr 5557 series, 0039014031, 3-position single-row receptacle housing, 4.20mm pitch, natural PA66, latch lock, free-hanging, crimp termination, contacts not included.","salesMarkdown":"The critical note on this part: contacts are not included. This receptacle mates with any Mini-Fit Jr 4.20mm-pitch male header — typically the 5566 or 5569 series headers in straight or right-angle through-hole configurations. A secondary TPA (terminal position assurance) insert is available for the 5557 series if the application sees high vibration or frequent mating cycles.","metaTitle":"Molex Mini-Fit Jr 0039014031, 3-Position Receptacle, 4.20mm","metaDescription":"Molex 0039014031 Mini-Fit Jr receptacle, 3 circuits, 4.20mm pitch, natural PA66 housing, latch lock, crimp termination. 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 5557","Features":"-","Packaging":"Bulk","Part Status":"Active","Row Spacing":"-","Contact Type":"Female Socket","Mounting Type":"Free Hanging (In-Line)","Connector Type":"Receptacle","Fastening Type":"Latch Lock","Number of Rows":"1","lifecycle_stage":"unknown","Base Product Number":"003901","Contact Termination":"Crimp","Insulation Material":"Polyamide (PA66), Nylon 6/6","Number of Positions":"3","Operating Temperature":"-40°C ~ 105°C"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.5500","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/0039014031/alternatives.json"},"ai":{"faq":[{"question":"What is the pitch of 0039014031?","answer":"The pitch is 4.20mm (0.165\"), standard for the Mini-Fit Jr series. This drives the mating header selection and the wire-to-wire spacing in the harness."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/molex/0039014031","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/0039014031 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}}