{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DF40B(2.0)-12DS-0.4V(58)","brand":"Hirose Electric Co Ltd","brandSlug":"hirose-electric-co-ltd","productSlug":"DF40B~12.0~2-12DS-0.4V~158~2","canonicalUrl":"https://icsourcedirect.com/hirose-electric-co-ltd/DF40B~12.0~2-12DS-0.4V~158~2","factsUrl":"https://icsourcedirect.com/api/mcp/products/DF40B(2.0)-12DS-0.4V(58)","rawCanonicalId":null},"summary":{"shortDescription":"Hirose DF40 series receptacle, center strip contacts, 12 positions, 0.40mm pitch, dual-row, surface mount, gold contact finish, 2mm mated stacking height, solder retention feature.","salesMarkdown":"## Board-to-Board Mezzanine Fit: 2mm Stack Height at 0.40mm Pitch The Hirose DF40B(2.0)-12DS-0.4V(58) is a 12-position receptacle from the DF40 series, designed for parallel board stacking at a fixed 2mm mated height. The 0.016\" (0.40mm) pitch and dual-row layout pack 12 circuits into a compact footprint — the tight pitch demands careful trace routing on the board, but the 2mm stack height gives enough clearance for mid-board components on the underside of the top PCB. ROHS3 compliant.","metaTitle":"Hirose DF40B(2.0)-12DS-0.4V(58) Receptacle, 12 Pos","metaDescription":"Hirose DF40B(2.0)-12DS-0.4V(58) 12-position receptacle, 0.40mm pitch, 2mm stacking height. Gold contacts, solder retention. Active production, ROHS3.","metaKeywords":null},"attributes":{"series":"DF40","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Board-to-Board Connectors","Mezzanine & Stacking Connectors"],"specifications":{"Mfr":"Hirose Electric Co Ltd","Pitch":"0.016\\\" (0.40mm)","Series":"DF40","Package":"Tape & Reel (TR) Cut Tape (CT)","Features":"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":"0.077\\\" (1.95mm)","Base Product Number":"DF40B","Number of Positions":"12","Mated Stacking Heights":"2mm","Contact Finish Thickness":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.8800","priceTiers":[{"qty":1,"price":"$0.88000","currency":"USD"},{"qty":10,"price":"$0.74200","currency":"USD"},{"qty":25,"price":"$0.71200","currency":"USD"},{"qty":50,"price":"$0.69680","currency":"USD"},{"qty":100,"price":"$0.66660","currency":"USD"},{"qty":250,"price":"$0.60600","currency":"USD"},{"qty":500,"price":"$0.54540","currency":"USD"},{"qty":1000,"price":"$0.48480","currency":"USD"},{"qty":2000,"price":"$0.45450","currency":"USD"},{"qty":3000,"price":"$0.43935","currency":"USD"},{"qty":5000,"price":"$0.42420","currency":"USD"},{"qty":10000,"price":"$0.40299","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/aec32b0d4a5f742c03de5786d68c7607.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/DF40B(2.0)-12DS-0.4V(58)/alternatives.json"},"ai":{"faq":[{"question":"What is the mated stacking height of DF40B(2.0)-12DS-0.4V(58)?","answer":"The mated stacking height is 2mm, set by the (2.0) suffix in the order code. This is the fixed z-height between the two parallel PCBs when mated with the corresponding DF40 series header."},{"question":"Is DF40B(2.0)-12DS-0.4V(58) RoHS compliant?","answer":"Yes, it is ROHS3 compliant."},{"question":"Does DF40B(2.0)-12DS-0.4V(58) have a solder retention feature?","answer":"Yes, the connector includes a solder retention feature — board locks that hold the part during reflow and resist shear forces from the mating header."},{"question":"Is DF40B(2.0)-12DS-0.4V(58) compatible with DF40 series headers?","answer":"Yes, it mates with the corresponding DF40 series header of the same position count and stacking height — the 12DS designation indicates a 12-position dual-row receptacle that pairs with the matching 12-position header in the DF40 family."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/hirose-electric-co-ltd/DF40B~12.0~2-12DS-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/DF40B~12.0~2-12DS-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}}