{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L041K4U6TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L041K4U6TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L041K4U6TR","factsUrl":"https://icboms.com/api/mcp/products/STM32L041K4U6TR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L041K4U6TR, 32-Bit Single-Core ARM Cortex-M0+, 32MHz, 16KB FLASH, 8K x 8 RAM, 1K x 8 EEPROM, 1.8V~3.6V, -40°C~85°C, 32-UFQFN Exposed Pad.","salesMarkdown":"The STM32L041K4U6TR: The 32-UFQFPN (5x5 mm) package with exposed pad fits tight PCB layouts while keeping the thermal path short for low-power operation. ## Industrial temperature and peripheral set The peripheral list includes brown-out detect, POR, PWM, a watchdog timer, and DMA — enough to offload the core in data-logging and control loops. The base product number STM32L041 covers a range of Flash and SRAM density options in the same package footprint.","metaTitle":"STM32L041K4U6TR ARM Cortex-M0+ MCU, 32 MHz, 16 KB Flash","metaDescription":"STMicroelectronics STM32L041K4U6TR 32-bit MCU, ARM Cortex-M0+ core at 32 MHz, 16 KB Flash, 8 KB SRAM, 1 KB EEPROM, industrial temp -40°C to 85°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"32MHz","Series":"STM32L0","Package":"Tape & Reel (TR)","RAM Size":"8K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"1K x 8","Peripherals":"Brown-out Detect/Reset, DMA, POR, PWM, WDT","Connectivity":"I²C, IrDA, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"25","Core Processor":"ARM® Cortex®-M0+","Package / Case":"32-UFQFN Exposed Pad","Product Status":"Active","Data Converters":"A/D 10x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L041","Program Memory Size":"16KB (16K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"32-UFQFPN (5x5)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$55.9900","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/753c77324476fdd7794c6f26274fa242.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What are the equivalents or alternatives to STM32L041K4U6TR?","answer":"Pin-compatible alternatives exist within the STM32L0 series — parts with the same base number STM32L041 but different Flash/SRAM densities share the same 32-UFQFPN footprint and pinout. For a direct parametric match, the STM32L041K4U6TR is the 16 KB Flash variant; higher-density siblings (e.g., 32 KB or 64 KB Flash) are drop-in replacements if firmware requires more code space."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L041K4U6TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L041K4U6TR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T12:28:25.621Z","lastPublished":"2026-07-16T12:28:25.621Z","indexable":true}}