{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1731091078","brand":"Molex","brandSlug":"molex","productSlug":"1731091078","canonicalUrl":"https://icsourcedirect.com/molex/1731091078","factsUrl":"https://icsourcedirect.com/api/mcp/products/1731091078","rawCanonicalId":null},"summary":{"shortDescription":"Molex F, FCT 173109 D-Sub plug, 9 positions, 2 rows, male pins, through-hole solder, 5A, shell size DE-9, white insulator, bulk.","salesMarkdown":"## D-Sub Plug for Shielded Cable Assemblies The Molex 1731091078 is a 9-position D-Sub plug (DE-9 shell size) with machined male pins arranged in two rows. It terminates via through-hole solder to a PCB and carries grounding indents on the metal shell — these bleed shield current from the cable braid before it reaches the signal pins, which matters for EMI compliance in shielded harnesses. Rated 5 A per contact. The machined copper alloy contacts support repeated mating cycles typical of field-service connections. Mates with any standard receptacle of the same shell size DE-9. The unthreaded housing flange accepts a standard D-sub backshell or hood with jack-screws for locking. Through-hole solder termination — the pins insert into plated through-holes on the PCB and are wave-soldered. No press-fit or SMT reflow profile needed, which simplifies the assembly line for a contract manufacturer.","metaTitle":"Molex 1731091078 D-Sub Plug, 9-Position, 5A, Through Hole","metaDescription":"Molex 1731091078 D-Sub plug, 9-position male pins, 5A rating, through-hole solder termination. Active production, sourced to order. RoHS compliant.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["D-Sub & D-Shaped Connectors"],"specifications":{"Mfr":"Molex","Color":"White","Series":"F, FCT 173109","Features":"Grounding Indents","Packaging":"Bulk","Wire Gauge":"-","Part Status":"Active","Termination":"Solder","Contact Form":"Machined","Contact Type":"Signal","Mounting Type":"Through Hole","Connector Type":"Plug, Male Pins","Contact Finish":"-","Flange Feature":"Housing/Shell (Unthreaded)","Number of Rows":"2","Voltage Rating":"-","Backset Spacing":"-","Connector Style":"D-Sub","lifecycle_stage":"unknown","Contact Material":"Copper Alloy","Primary Material":"Metal","Ingress Protection":"-","Base Product Number":"173109","Dielectric Material":"Polyester, Glass Filled","Number of Positions":"9","Current Rating (Amps)":"5A","Operating Temperature":"-55°C ~ 125°C","Shell Material, Finish":"Steel, Tin Plated","Contact Finish Thickness":"-","Material Flammability Rating":"UL94 V-0","Shell Size, Connector Layout":"1 (DE, E)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$8.7200","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/1731091078/alternatives.json"},"ai":{"faq":[{"question":"What is the pinout of the 1731091078?","answer":"The 1731091078 is a standard DE-9 D-sub plug with male pins in two rows — the pinout follows the industry-standard DB-9 assignment (pin 1 through 9). Refer to the D-subminiature pinout standard for signal mapping."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/molex/1731091078","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/1731091078 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}}