{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DF17B(4.0)-40DP-0.5V(57)","brand":"Hirose Electric Co Ltd","brandSlug":"hirose-electric-co-ltd","productSlug":"DF17B~14.0~2-40DP-0.5V~157~2","canonicalUrl":"https://icsourcedirect.com/hirose-electric-co-ltd/DF17B~14.0~2-40DP-0.5V~157~2","factsUrl":"https://icsourcedirect.com/api/mcp/products/DF17B(4.0)-40DP-0.5V(57)","rawCanonicalId":null},"summary":{"shortDescription":"Hirose DF17 series header, outer shroud contacts, 40 positions, 0.020\" (0.50mm) pitch, dual-row, surface mount, gold contact finish, 0.248\" (6.30mm) height above board, solder retention features.","salesMarkdown":"## 0.50mm Pitch Mezzanine Header, 40 Positions, Dual-Row SMT The Hirose DF17B(4.0)-40DP-0.5V(57) is a 40-position header from the DF17 series, designed for board-to-board mezzanine stacking. The mated stacking heights are 7mm and 8mm, which sets the board spacing in a mezzanine pair. At 0.50mm pitch, trace escape from the inner rows requires via-in-pad or micro-via routing on dense boards — standard through-hole vias between pads won't fit. The 0.248\" (6.30mm) height above board, combined with the 7mm or 8mm mated stack height, defines the z-axis clearance between stacked PCBs. The outer shroud contacts provide some alignment during mating, but the tight pitch means the board-to-board alignment tolerance needs to be held close during assembly.","metaTitle":"Hirose DF17B(4.0)-40DP-0.5V(57) Header, 40 Pos, 0.50mm Pitch","metaDescription":"Hirose DF17 series header, 40 positions, 0.020\" (0.50mm) pitch, dual-row SMT, gold contacts. Active production. Sourced to order against RFQ. RoHS compliant.","metaKeywords":null},"attributes":{"series":"DF17","packageCase":null,"mountingType":null,"rohsStatus":"RoHS Compliant","productStatus":"Active","categoryPath":["Board-to-Board Connectors","Mezzanine & Stacking Connectors"],"specifications":{"Mfr":"Hirose Electric Co Ltd","Pitch":"0.020\\\" (0.50mm)","Series":"DF17","Package":"Tape & Reel (TR) Cut Tape (CT)","Features":"Solder Retention","Mounting Type":"Surface Mount","Connector Type":"Header, Outer Shroud Contacts","Contact Finish":"Gold","Number of Rows":"2","Product Status":"Active","lifecycle_stage":"unknown","Height Above Board":"0.248\\\" (6.30mm)","Base Product Number":"DF17","Number of Positions":"40","Mated Stacking Heights":"7mm, 8mm","Contact Finish Thickness":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.9300","priceTiers":[{"qty":1,"price":"$2.93000","currency":"USD"},{"qty":10,"price":"$2.66000","currency":"USD"},{"qty":100,"price":"$2.34320","currency":"USD"},{"qty":500,"price":"$1.99172","currency":"USD"},{"qty":1000,"price":"$1.69882","currency":"USD"},{"qty":2000,"price":"$1.64024","currency":"USD"},{"qty":3000,"price":"$1.58166","currency":"USD"},{"qty":5000,"price":"$1.52308","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/cb770add7945639cee7b364f8836ee07.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/DF17B(4.0)-40DP-0.5V(57)/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy DF17B(4.0)-40DP-0.5V(57) and what is the lead time?","answer":"Submit an RFQ for your target quantity and we'll quote the current lead time and price."},{"question":"Will DF17B(4.0)-40DP-0.5V(57) drop into a board laid out for DF17(4.0)-40DP-0.5V(57)?","answer":"Yes — the DF17B(4.0)-40DP-0.5V(57) and DF17(4.0)-40DP-0.5V(57) share the same 0.50mm pitch, 40 positions, dual-row layout, 6.30mm height above board, and gold-plated contacts. The footprint is identical; the 'B' suffix indicates a solder retention feature variant. No board re-spin is needed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/hirose-electric-co-ltd/DF17B~14.0~2-40DP-0.5V~157~2","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/DF17B~14.0~2-40DP-0.5V~157~2 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}}