{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DF12B(3.5)-20DP-0.5V(86)","brand":"Hirose Electric Co Ltd","brandSlug":"hirose-electric-co-ltd","productSlug":"DF12B~13.5~2-20DP-0.5V~186~2","canonicalUrl":"https://icsourcedirect.com/hirose-electric-co-ltd/DF12B~13.5~2-20DP-0.5V~186~2","factsUrl":"https://icsourcedirect.com/api/mcp/products/DF12B(3.5)-20DP-0.5V(86)","rawCanonicalId":null},"summary":{"shortDescription":"Hirose DF12 series, 20-position 2-row header with outer shroud contacts, 0.020\" (0.50mm) pitch, 3.5mm mated stack height, surface mount, gold 8.00µin plating, solder retention.","salesMarkdown":"The Hirose DF12B(3.5)-20DP-0.5V(86) is a 20-position, 2-row header with outer shroud contacts from the DF12 series, designed for parallel board-to-board stacking at a 3.5mm mated height. Gold plating at 8.00µin on the contacts gives a solid mating cycle count for production assembly and field service, though it's not rated for the high-cycle duty of a gold-flash connector. ## What the 3.5mm Stack Height and 0.50mm Pitch Mean for Your Board The 0.50mm pitch is tight — it routes well between BGA pads on a standard PCB but demands careful trace width and spacing to avoid crosstalk on the inner rows. That z-height budget is fixed, so the mating receptacle must also be a 3.5mm stack variant from the DF12 series. The outer shroud contacts mean the signal pins are recessed inside a plastic shell — this protects them during handling and prevents bent pins before mating, but it also means the footprint has a keep-out zone around the shroud that the PCB layout must respect.","metaTitle":"Hirose DF12B(3.5)-20DP-0.5V(86) 20-Pin 0.50mm Header","metaDescription":"Hirose DF12B(3.5)-20DP-0.5V(86) 20-position 0.50mm pitch board-to-board header, 3.5mm stack height. Obsolete — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Board-to-Board Connectors"],"specifications":{"Mfr":"Hirose Electric Co Ltd","Pitch":"0.020\\\" (0.50mm)","Series":"DF12","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":"Obsolete","lifecycle_stage":"unknown","Height Above Board":"0.110\\\" (2.80mm)","Number of Positions":"20","Mated Stacking Heights":"3.5mm","Contact Finish Thickness":"8.00µin (0.203µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/801352e576480b4c19254a5dc0f8f8a7.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/DF12B(3.5)-20DP-0.5V(86)/alternatives.json"},"ai":{"faq":[{"question":"Is the DF12B(3.5)-20DP-0.5V(86) obsolete and what is its lifecycle status?","answer":"There is no listed direct replacement from Hirose, so any BOM still specifying this part will need to source from surplus inventory or consider a design change to a current DF12 variant."},{"question":"What is the stacking height for the DF12B(3.5)-20DP-0.5V(86)?","answer":"The mated stacking height is 3.5mm, which is the total distance between the two PCBs when the header is mated with its matching DF12 receptacle. The header body itself stands 0.110\" above the board surface."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/hirose-electric-co-ltd/DF12B~13.5~2-20DP-0.5V~186~2","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/DF12B~13.5~2-20DP-0.5V~186~2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:25.888Z","lastPublished":"2026-07-20T14:34:25.888Z","indexable":true}}