{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"559090274-TR625","brand":"Molex","brandSlug":"molex","productSlug":"559090274-TR625","canonicalUrl":"https://icsourcedirect.com/molex/559090274-TR625","factsUrl":"https://icsourcedirect.com/api/mcp/products/559090274-TR625","rawCanonicalId":null},"summary":{"shortDescription":"Molex SlimStack 55909 series, Plug Outer Shroud Contacts, 20 positions, 2 rows, 0.016\" (0.40mm) pitch, Surface Mount, Gold 8.00µin, 1.5mm stacking height, Solder Retention.","salesMarkdown":"## Board-to-Board Mezzanine Fit — 0.40 mm Pitch, 1.5 mm Stack The Molex 559090274-TR625 is a 20-circuit plug from the SlimStack 55909 series, designed for board-to-board mezzanine stacking at a mated height of 1.5 mm. The 0.016\" (0.40 mm) pitch is the tightest dimension on the footprint — it forces a fine-line trace escape and limits via diameter to around 0.20 mm under the part. The 1.5 mm stack height suits low-profile enclosures where the board gap is under 2 mm. ## Mating Half and Series Position The 20-position count is the key BOM match; the 2-row layout keeps the connector body narrow, which helps with routing density on the board edge. Within the SlimStack 55909 family, the 20-position variant is a mid-range density option — higher position counts exist for wider buses, but the 0.40 mm pitch and 1.5 mm stack height are consistent across the series.","metaTitle":"Molex SlimStack 559090274-TR625, 0.40mm Pitch, 20 Pos Plug","metaDescription":"Molex 559090274-TR625 SlimStack plug, 20 circuits, 0.40mm pitch, 1.5mm stacking height, gold contacts. Active production, sourced to order. Request a quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Board-to-Board Connectors","Mezzanine & Stacking Connectors"],"specifications":{"Mfr":"Molex","Pitch":"0.016\\\" (0.40mm)","Series":"SlimStack 55909","Package":"Box","Features":"Solder Retention","Mounting Type":"Surface Mount","Connector Type":"Plug, Outer Shroud Contacts","Contact Finish":"Gold","Number of Rows":"2","Product Status":"Active","lifecycle_stage":"unknown","Height Above Board":"0.045\\\" (1.14mm)","Number of Positions":"20","Mated Stacking Heights":"1.5mm","Contact Finish Thickness":"8.00µin (0.203µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.1200","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"What is the mating connector for 559090274-TR625?","answer":"The 559090274-TR625 mates with a SlimStack 55909 receptacle of the same 20-circuit count and 0.40 mm pitch. The receptacle has inner contacts that accept the outer shroud of this plug."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/molex/559090274-TR625","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/molex/559090274-TR625 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:46:37.382Z","lastPublished":"2026-07-22T19:46:37.382Z","indexable":true}}