{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"0430451024","brand":"Molex","brandSlug":"molex","productSlug":"0430451024","canonicalUrl":"https://icsourcedirect.com/molex/0430451024","factsUrl":"https://icsourcedirect.com/api/mcp/products/0430451024","rawCanonicalId":null},"summary":{"shortDescription":"Molex Micro-Fit 3.0 43045 header, 0430451024, 10 circuits, dual-row, 3.00mm pitch, through-hole, shrouded, tin-plated contacts, 8A, 600V.","salesMarkdown":"## Product Overview The Molex 0430451024 is a 10-circuit, dual-row header from the Micro-Fit 3.0 43045 series, designed for board-to-cable/wire interconnects. It uses a 3.00mm pitch, which provides a good balance between current density and board space for power distribution in automotive, industrial, and telecom equipment. The header is fully shrouded with four walls, protecting the male pins during handling and mating. Rated at 8A per circuit and 600V, this connector carries enough headroom for moderate power rails and signal lines in a harness assembly. The tin-plated mating contacts are cost-effective for applications with a limited number of mating cycles, such as an internal board-to-wire connection that is mated once during manufacturing. ## Key Features and Mechanical Design The header uses a locking ramp fastening system that provides an audible click when fully mated with the corresponding Micro-Fit 3.0 receptacle housing, ensuring secure retention in high-vibration environments. Board locks on the through-hole solder tails hold the header in place during wave soldering and resist shear forces from cable strain after assembly. The housing is molded from a glass-filled LCP with a UL94 V-0 flammability rating, making it suitable for equipment that requires a flame-retardant enclosure. The operating temperature range of -40°C to 105°C covers the thermal demands of automotive underhood and industrial cabinet environments. ## Comparison with 0430451025 The 0430451025 is the 12-circuit sibling in the same Micro-Fit 3.0 series, sharing the same 3.00mm pitch, 8A rating, tin plating, and dual-row layout. The only difference is the position count: 12 circuits versus 10 for the 0430451024. If your BOM calls for 10 circuits, the 0430451024 is the correct fit; the 12-circuit version would leave two positions unloaded.","metaTitle":"Molex 0430451024 Micro-Fit 3.0 Header, 10 Circuit, 3.00mm","metaDescription":"Molex 0430451024 Micro-Fit 3.0 header, 10 circuits, 3.00mm pitch, 8A, 600V. Tin-plated contacts, shrouded, board lock. Active, sourced per RFQ.","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 Guide, Board Lock","Packaging":"Tray","Shrouding":"Shrouded - 4 Wall","Part Status":"Active","Termination":"Kinked Pin, Solder","Applications":"Automotive, General Purpose, Industrial, Medical, 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":"0.118\\\" (3.00mm)","Voltage Rating":"600V","lifecycle_stage":"unknown","Contact Material":"Brass","Insulation Color":"Black","Insulation Height":"0.390\\\" (9.91mm)","Ingress Protection":"-","Base Product Number":"043045","Insulation Material":"Liquid Crystal Polymer (LCP), Glass Filled","Number of Positions":"10","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":"$2.5700","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/0d721345d2d6d65d6196bb048814a0ce.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/0430451024/alternatives.json"},"ai":{"faq":[{"question":"Is 0430451024 RoHS compliant and suitable for automotive applications?","answer":"The 0430451024 is listed for Automotive, General Purpose, Industrial, Medical, and Telecommunications applications. Its -40°C to 105°C operating range and UL94 V-0 housing make it suitable for automotive underhood and interior environments. RoHS compliance is standard for this series."},{"question":"What is the difference between 0430451024 and 0430451025?","answer":"The 0430451025 is the 12-circuit version of the same Micro-Fit 3.0 header. Both share the 3.00mm pitch, 8A rating, tin plating, and dual-row layout. The 0430451024 has 10 circuits; the 0430451025 has 12."},{"question":"How is the locking ramp on 0430451024 engaged during assembly?","answer":"The locking ramp on the header engages with the latch on the mating Micro-Fit 3.0 receptacle housing. When the two halves are pushed together, the ramp deflects the latch and then snaps back into place, producing an audible click that confirms full mating."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/molex/0430451024","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/0430451024 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:04:01.345Z","lastPublished":"2026-07-22T18:04:01.345Z","indexable":true}}