{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7954-8LE02-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7954-8LE02-0AA0","canonicalUrl":"https://aoctrl.com/siemens/6ES7954-8LE02-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7954-8LE02-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7, spare part memory card for S7-1x00 CPU/SINAMICS, 3V Flash, 12 Mbyte, 24 x 32 x 2.1 mm.","salesMarkdown":"The Siemens 6ES7954-8LE02-0AA0 is a spare-part memory card for the SIMATIC S7 family, designed to plug into S7-1x00 CPUs and SINAMICS drives. It carries 12 Mbyte of Flash-EPROM storage, which holds the program and configuration data that the CPU loads at power-up. The 12 Mbyte capacity tells you how large a program this card can hold — enough for a mid-sized automation project with multiple function blocks and data logs. The Flash-EPROM type means the card retains data without a backup battery, and the 3V operating voltage matches the S7-1x00 backplane supply. Rated for a minimum of 500 000 write/delete cycles, so it handles frequent program updates during commissioning and field revisions without wearing out early. Data retention is specified at a minimum of 10 years when write/delete processes stay under 50 000, dropping to 1 year if cycles exceed 450 000 — a practical limit for high-throughput logging applications. Physically, the card measures 24 mm wide, 32 mm tall, and just 2.1 mm deep — it fits flush into the CPU's memory slot with no overhang, so it won't interfere with neighboring modules in a densely packed rack. This class of memory card serves as the program storage medium for Siemens S7-1500 and S7-1200 CPUs, as well as SINAMICS drive controllers. It's the component that lets the CPU boot into its configured logic — without it, the controller runs its factory firmware but no user program.","metaTitle":"Siemens 6ES7954-8LE02-0AA0 S7 Memory Card, 12 MB Flash-EPROM","metaDescription":"Siemens 6ES7954-8LE02-0AA0 SIMATIC S7 memory card, 12 Mbyte Flash-EPROM, 500k write/delete cycles, mature lifecycle. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLC Accessories"],"specifications":{"Depth":"2.1 mm","Flash":"Yes","Width":"24 mm","Height":"32 mm","Memory size":"12 Mbyte","Type of memory":"Flash-EPROM","Weight, approx.":"3 g","lifecycle_stage":"mature","Number of write/delete operations, min.":"500 000","Data retention (after final programming action), min.":"10 a; If the delete/write processes < 50 000 (1 a if the delete/write processes > 450 000)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$236.00 – $360.05","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=68605&mlfb=6ES7954-8LE02-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7954-8LE02-0AA0/alternatives.json"},"ai":{"faq":[{"question":"What is the memory capacity and type?","answer":"12 Mbyte of Flash-EPROM memory, rated for a minimum of 500 000 write/delete cycles with data retention of at least 10 years under normal use."},{"question":"What are the physical dimensions?","answer":"24 mm wide, 32 mm tall, 2.1 mm deep. It's a slim card that sits flush in the CPU slot without protruding."},{"question":"Will this card fit a panel wired for a different memory card?","answer":"It is the exact spare-part replacement for any S7-1x00 CPU or SINAMICS drive that calls for a 12 MB Flash-EPROM card. No rewiring or adapter is needed — it plugs directly into the same slot."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7954-8LE02-0AA0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/6ES7954-8LE02-0AA0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}