{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"0901210800","brand":"Molex","brandSlug":"molex","productSlug":"0901210800","canonicalUrl":"https://icsourcedirect.com/molex/0901210800","factsUrl":"https://icsourcedirect.com/api/mcp/products/0901210800","rawCanonicalId":null},"summary":{"shortDescription":"Molex C-Grid III 90121 series, 0901210800, unshrouded breakaway header, 40 circuits, single row, 0.100\" (2.54mm) pitch, through-hole right-angle, gold mating finish, tin post, UL94 V-0.","salesMarkdown":"The 0901210800: 40 positions, single row, all loaded — the full circuit count is populated, so the BOM line matches the mating half exactly. No need to snap off unused sections unless you choose the breakaway option. ## Mating Finish and Contact Construction","metaTitle":"Molex 0901210800 C-Grid III 90121 Header, 40 Pos","metaDescription":"Molex 0901210800 C-Grid III 90121 breakaway header, 40 positions, single row, 0.100\" pitch, gold mating finish. Active production, 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 Board or Cable","Series":"C-Grid III 90121","Package":"Bulk","Features":"-","Shrouding":"Unshrouded","Termination":"Solder","Applications":"Automotive, General Purpose","Contact Type":"Male Pin","Contact Shape":"Square","Mounting Type":"Through Hole, Right Angle","Connector Type":"Header, Breakaway","Fastening Type":"Push-Pull","Number of Rows":"1","Pitch - Mating":"0.100\\\" (2.54mm)","Product Status":"Active","Voltage Rating":"-","lifecycle_stage":"unknown","Contact Material":"Brass","Insulation Color":"Black","Insulation Height":"0.142\\\" (3.60mm)","Ingress Protection":"-","Base Product Number":"90121","Insulation Material":"Polyester, Glass Filled","Number of Positions":"40","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"0.114\\\" (2.90mm)","Current Rating (Amps)":"-","Operating Temperature":"-","Mated Stacking Heights":"-","Overall Contact Length":"-","Contact Finish - Mating":"Gold","Contact Length - Mating":"0.266\\\" (6.75mm)","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Post":"118.1µin (3.00µm)","Contact Finish Thickness - Mating":"15.0µin (0.38µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.3300","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/ac572900ac147e293ea56315ff98929e.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/0901210800/alternatives.json"},"ai":{"faq":[{"question":"What is the pitch and position count of 0901210800?","answer":"0.100\" (2.54mm) pitch, 40 positions, single row, all positions loaded."},{"question":"Is 0901210800 RoHS compliant?","answer":"Yes, RoHS compliant per the manufacturer declaration."},{"question":"What is the closest pin-compatible alternative to 0901210800?","answer":"The C-Grid III 90121 series includes other position counts and plating options; verify the mating half and board footprint before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/molex/0901210800","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/0901210800 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}}