{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"66951-020LF","brand":"Amphenol","brandSlug":"amphenol","productSlug":"66951-020LF","canonicalUrl":"https://icsourcedirect.com/amphenol/66951-020LF","factsUrl":"https://icsourcedirect.com/api/mcp/products/66951-020LF","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol ICC (FCI) Dubox™ / BergCon® PV™, 20-position single-row female socket receptacle, 0.100\" (2.54 mm) pitch, through-hole solder termination, 30 µinch gold mating finish, 1250 V rating, UL94 V-0, -65°C to 125°C.","salesMarkdown":"The 66951-020LF: Rated for 1250 V and -65°C to 125°C operation, the connector suits applications in automotive, industrial, medical, and telecommunications equipment where high-voltage isolation and wide temperature range are required. The UL94 V-0 glass-filled polyester housing provides flame resistance for equipment inside an enclosure. ## Sizing the board footprint against the 26-position sibling The 20-position 66951-020LF shares the same single-row layout, 0.100\" pitch, 0.142\" post length, and 30 µinch gold mating finish as the 26-position 66951-026LF. ## Lifecycle and compliance check The 66951-020LF is listed as Active on the manufacturer's lifecycle status and is RoHS Compliant.","metaTitle":"66951-020LF Amphenol ICC (FCI) Dubox 20-Position Female","metaDescription":"66951-020LF 20-position single-row female socket header, 0.100\" pitch, through-hole, 30 µinch gold mating finish, 1250 V rating, UL94 V-0. Active, RoHS.","metaKeywords":null},"attributes":{"series":"Dubox™, BergCon® PV™","packageCase":null,"mountingType":null,"rohsStatus":"RoHS Compliant","productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings","Female Socket Headers"],"specifications":{"Mfr":"Amphenol ICC (FCI)","Style":"Board to Board","Series":"Dubox™, BergCon® PV™","Package":"Tube","Features":"-","Termination":"Solder","Applications":"Automotive, General Purpose, Industrial, Medical, Telecommunications","Contact Type":"Female Socket","Contact Shape":"Square","Mounting Type":"Through Hole","Connector Type":"Receptacle","Fastening Type":"Push-Pull","Number of Rows":"1","Pitch - Mating":"0.100\\\" (2.54mm)","Product Status":"Active","Voltage Rating":"1250V","lifecycle_stage":"unknown","Contact Material":"Brass","Insulation Color":"Black","Insulation Height":"0.325\\\" (8.25mm)","Ingress Protection":"-","Base Product Number":"66951","Insulation Material":"Polyester, Glass Filled","Number of Positions":"20","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"0.142\\\" (3.60mm)","Current Rating (Amps)":"-","Operating Temperature":"-65°C ~ 125°C","Mated Stacking Heights":"-","Contact Finish - Mating":"Gold","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Post":"100.0µin (2.54µm)","Contact Finish Thickness - Mating":"30.0µin (0.76µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.9100","priceTiers":[{"qty":1,"price":"$3.91000","currency":"USD"},{"qty":10,"price":"$3.55400","currency":"USD"},{"qty":100,"price":"$3.13160","currency":"USD"},{"qty":500,"price":"$2.66186","currency":"USD"},{"qty":1000,"price":"$2.27041","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/639a2210187906c6ea18aa3d6f943b8d.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/66951-020LF/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 66951-020LF and how do I get a price?","answer":"The 66951-020LF is sourced to order through independent distribution. No stock-holding claim is made; each order is sourced per your BOM."},{"question":"What is the exact pitch and mating height of 66951-020LF?","answer":"The mating pitch is 0.100\" (2.54 mm). The insulation height is 0.325\" (8.25 mm), which sets the board-to-board spacing when mated with a matching header of the same series."},{"question":"What is the best equivalent or replacement for 66951-020LF if it is out of stock?","answer":"The closest functional equivalent is the 26-position 66951-026LF from the same series — same pitch, plating, and post length. However, the position count differs (20 vs 26), so a board layout change is required."},{"question":"Is 66951-020LF RoHS compliant?","answer":"Yes, the 66951-020LF is RoHS Compliant per the manufacturer's listing."},{"question":"What are the typical applications for Amphenol 66951-020LF?","answer":"The connector is rated for automotive, general purpose, industrial, medical, and telecommunications applications. The 1250 V rating and -65°C to 125°C range suit it for high-voltage isolation and wide-temperature environments."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/66951-020LF","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/amphenol/66951-020LF 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}}