{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"0430450421","brand":"Molex","brandSlug":"molex","productSlug":"0430450421","canonicalUrl":"https://icsourcedirect.com/molex/0430450421","factsUrl":"https://icsourcedirect.com/api/mcp/products/0430450421","rawCanonicalId":null},"summary":{"shortDescription":"Molex Micro-Fit 3.0 43045 0430450421, Header, 4 Circuits, 2 Rows, 0.118\" (3.00mm) Pitch, Through Hole, Right Angle, Solder, Tin Plating, 8 A, 600 V, Board Lock, Shrouded.","salesMarkdown":"The Molex 0430450421 is a 4-circuit, dual-row header from the Micro-Fit 3.0 43045 series, pitched at 0.118\" (3.00mm). Typical applications include automotive harnesses, industrial control panels, medical equipment, and telecom gear — environments where a locked, shrouded connection is needed. ## Key Features That Drive Fit Tin plating on both the mating surface and solder tails is cost-effective for moderate mating cycles — typically 10 to 25 cycles — and the 60.0 µin (1.52 µm) thickness on the mating side provides a durable contact interface for power duty.","metaTitle":"Molex Micro-Fit 3.0 0430450421 Header, 4 Pos, 8 A, 600 V","metaDescription":"Molex 0430450421 Micro-Fit 3.0 header, 4 circuits, 3.00 mm pitch, 8 A, 600 V, through-hole right-angle, shrouded, board lock. Active production.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings"],"specifications":{"Mfr":"Molex","Style":"Board to Cable/Wire","Series":"Micro-Fit 3.0 43045","Features":"Board Lock","Packaging":"Tray","Shrouding":"Shrouded - 4 Wall","Part Status":"Active","Termination":"Solder","Applications":"Automotive, General Purpose, Industrial, Medical, Telecommunications","Contact Type":"Male Pin","Contact Shape":"Square","Mounting Type":"Through Hole, Right Angle","Connector Type":"Header","Fastening Type":"Locking Ramp","Number of Rows":"2","Pitch - Mating":"0.118\\\" (3.00mm)","Voltage Rating":"600V","lifecycle_stage":"unknown","Contact Material":"Brass","Insulation Color":"Black","Insulation Height":"0.290\\\" (7.37mm)","Ingress Protection":"-","Base Product Number":"043045","Insulation Material":"Liquid Crystal Polymer (LCP), Glass Filled","Number of Positions":"4","Row Spacing - Mating":"0.118\\\" (3.00mm)","Contact Finish - Post":"Tin","Contact Length - Post":"0.125\\\" (3.18mm)","Current Rating (Amps)":"8A","Operating Temperature":"-40°C ~ 105°C","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":"-","Contact Finish Thickness - Mating":"60.0µin (1.52µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.1600","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/dfff01b2e2ed78f9b97db4b2de03830c.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/0430450421/alternatives.json"},"ai":{"faq":[{"question":"What is the pin configuration of 0430450421?","answer":"The 0430450421 has 4 positions arranged in 2 rows, with all positions loaded. The pitch is 0.118\" (3.00mm) between contacts and between rows."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/molex/0430450421","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/0430450421 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}}