{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DF40TB-10DS-0.4V(58)","brand":"Hirose Electric Co Ltd","brandSlug":"hirose-electric-co-ltd","productSlug":"DF40TB-10DS-0.4V~158~2","canonicalUrl":"https://icsourcedirect.com/hirose-electric-co-ltd/DF40TB-10DS-0.4V~158~2","factsUrl":"https://icsourcedirect.com/api/mcp/products/DF40TB-10DS-0.4V(58)","rawCanonicalId":null},"summary":{"shortDescription":"Hirose DF40T series, 0.40mm pitch, 10 positions, 2 rows, receptacle, center strip contacts, surface mount, gold flash 1.97µin, 1.5mm mated stack height.","salesMarkdown":"The Hirose DF40TB-10DS-0.4V(58) is a 10-position, 2-row receptacle from the DF40T series, designed for board-to-board mezzanine stacking at a tight 0.016\" (0.40mm) pitch. It uses center strip contacts with gold flash plating (1.97µin) on the mating surface — fine for signal-level duty where the contact count drives the interconnect, not the current per pin. ## What the 0.40mm Pitch and 1.5mm Stack Height Mean for Your Board At 0.40mm pitch, this is a fine-pitch mezzanine connector — the board footprint needs a tight escape routing, typically with micro-vias or very narrow traces between pads. The 1.5mm mated stack height is the full board-to-board spacing once the receptacle is mated with its header; that dimension is non-negotiable for the enclosure's z-height budget. If the application sees frequent board swaps, step up to a heavier gold grade in the same series. ## SMT Mounting and Solder Retention Surface mount termination with a solder retention feature built into the part. The Tape & Reel packaging feeds into standard SMT lines. ## How It Compares to Higher-Position Siblings The DF40TB-10DS-0.4V(58) shares the same 0.40mm pitch, 1.5mm stack height, and gold flash plating with the 30-position DF40TC-30DS-0.4V(58), the 34-position DF40TC-34DS-0.4V(58), and the 40-position DF40TC-40DS-0.4V(58).","metaTitle":"Hirose DF40TB-10DS-0.4V(58) Receptacle, 10 Pos, 0.40mm Pitch","metaDescription":"Hirose DF40TB-10DS-0.4V(58) 10-position receptacle, 0.40mm pitch, 1.5mm stack height, gold flash contacts, SMT. Active production. Quoted to order.","metaKeywords":null},"attributes":{"series":"DF40T","packageCase":null,"mountingType":null,"rohsStatus":"RoHS Compliant","productStatus":"Active","categoryPath":["Board-to-Board Connectors","Mezzanine & Stacking Connectors"],"specifications":{"Mfr":"Hirose Electric Co Ltd","Pitch":"0.016\\\" (0.40mm)","Series":"DF40T","Package":"Tape & Reel (TR) Cut Tape (CT)","Features":"Pick and Place, Solder Retention","Mounting Type":"Surface Mount","Connector Type":"Receptacle, Center Strip Contacts","Contact Finish":"Gold","Number of Rows":"2","Product Status":"Active","lifecycle_stage":"unknown","Height Above Board":"0.057\\\" (1.45mm)","Number of Positions":"10","Mated Stacking Heights":"1.5mm","Contact Finish Thickness":"1.97µin (0.050µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.6500","priceTiers":[{"qty":1,"price":"$0.65000","currency":"USD"},{"qty":10,"price":"$0.56400","currency":"USD"},{"qty":25,"price":"$0.51520","currency":"USD"},{"qty":50,"price":"$0.48480","currency":"USD"},{"qty":100,"price":"$0.46460","currency":"USD"},{"qty":250,"price":"$0.42420","currency":"USD"},{"qty":500,"price":"$0.40400","currency":"USD"},{"qty":1000,"price":"$0.32997","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/ee353916a52fdc0d2aa13cbbf97c384a.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/DF40TB-10DS-0.4V(58)/alternatives.json"},"ai":{"faq":[{"question":"What is the mated stacking height for DF40TB-10DS-0.4V(58)?","answer":"The mated stack height is 1.5mm. This is the board-to-board spacing once the receptacle is mated with its matching header."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/hirose-electric-co-ltd/DF40TB-10DS-0.4V~158~2","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/hirose-electric-co-ltd/DF40TB-10DS-0.4V~158~2 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}}