{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MKL03Z16VFK4R","brand":"NXP USA Inc.","brandSlug":"nxp-usa-inc","productSlug":"MKL03Z16VFK4R","canonicalUrl":"https://icboms.com/nxp-usa-inc/MKL03Z16VFK4R","factsUrl":"https://icboms.com/api/mcp/products/MKL03Z16VFK4R","rawCanonicalId":null},"summary":{"shortDescription":"NXP Kinetis KL03 ARM Cortex-M0+ MCU, 32-bit single-core, 48 MHz, 16 KB Flash, 2 KB RAM, 22 GPIO, 7x12-bit ADC, I²C/SPI/UART, 1.71–3.6 V supply, -40 to 105 °C, 24-QFN exposed pad.","salesMarkdown":"## 48 MHz Cortex-M0+ in a 24-QFN — what this MCU delivers The NXP MKL03Z16VFK4R is a 32-bit ARM Cortex-M0+ MCU from the Kinetis KL03 series, clocked at 48 MHz with 16 KB Flash and 2 KB RAM. It carries 22 GPIO, a 7-channel 12-bit ADC, and serial interfaces (I²C, SPI, UART/USART) in a 24-QFN package measuring 4x4 mm. The supply range spans 1.71 V to 3.6 V, and the operating temperature covers -40 to 105 °C — industrial grade, suited for outdoor telecom cabinets, motor-drive control boards, and engine-bay sensor nodes. 16 KB Flash and 2 KB RAM target sensor-fusion firmware, bootloaders, or simple protocol stacks. The Flash holds a modest application; the RAM holds a couple of buffers and a small state machine. ## Industrial temperature range — deployment context Rated -40 to 105 °C, the MKL03Z16VFK4R suits outdoor telecom power supplies, factory-automation I/O modules, and under-hood automotive auxiliary controllers. The 105 °C ceiling covers self-heating inside a sealed enclosure.","metaTitle":"NXP MKL03Z16VFK4R Kinetis KL03 MCU, 48MHz Cortex-M0+","metaDescription":"NXP MKL03Z16VFK4R 32-bit ARM Cortex-M0+ MCU, 48MHz core, 16KB Flash, 2KB RAM, 22 GPIO, 7x12-bit ADC, -40 to 105°C, 24-QFN. Active, ROHS3. Order through RFQ.","metaKeywords":null},"attributes":{"series":"Kinetis KL03","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"48MHz","title":"MKL03Z16VFK4R","Series":"Kinetis KL03","Package":"Tape & Reel (TR) Cut Tape (CT)","RAM Size":"2K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, LVD, POR, PWM, WDT","description":"IC MCU 32BIT 16KB FLASH 24QFN","Connectivity":"I²C, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"22","Core Processor":"ARM® Cortex®-M0+","Package / Case":"24-VFQFN Exposed Pad","Data Converters":"A/D 7x12b","Oscillator Type":"Internal","Base Product Number":"MKL03Z16","Program Memory Size":"16KB (16K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 105°C (TA)","Supplier Device Package":"24-QFN (4x4)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.7300","priceTiers":[{"qty":1,"price":"$2.73000","currency":"USD"},{"qty":10,"price":"$2.13600","currency":"USD"},{"qty":100,"price":"$1.71720","currency":"USD"},{"qty":500,"price":"$1.62244","currency":"USD"},{"qty":1000,"price":"$1.34431","currency":"USD"},{"qty":2500,"price":"$1.25160","currency":"USD"},{"qty":5000,"price":"$1.20524","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/1e83bf0c315dcc047165f618ce387ae1.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MKL03Z16VFK4R/alternatives.json"},"ai":{"faq":[{"question":"What is MKL03Z16VFK4R's listed speed?","answer":"The core runs at 48 MHz, which sets the maximum SPI clock divider and UART baud rate for the serial interfaces."},{"question":"What compliance documentation does NXP provide for MKL03Z16VFK4R?","answer":"The part is ROHS3 compliant, meeting the material-restriction requirements for EU-market equipment. NXP provides a RoHS certificate and material declaration upon request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp-usa-inc/MKL03Z16VFK4R","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/nxp-usa-inc/MKL03Z16VFK4R when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-11T17:20:20.394Z","lastPublished":"2026-07-11T17:20:20.394Z","indexable":true}}