The MKL03Z16VFK4: 32-bit ARM Cortex-M0+ MCU, 48 MHz, 16 KB Flash, 2 KB RAM. 24-QFN (4x4 mm) exposed pad. -40°C to 105°C.
48 MHz Cortex-M0+ core. Runs real-time control loops with I²C, SPI, PWM, UART.
NXP MKL03Z16VFK4 Kinetis KL03 MCU, 48 MHz, 16 KB Flash, 24-QFN
MPNMKL03Z16VFK4
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NXP Kinetis KL03, 32-bit ARM Cortex-M0+ MCU, MKL03Z16VFK4, 48 MHz, 16 KB Flash, 2 KB RAM, 22 I/O, 1.71V–3.6V supply, -40°C to 105°C, 24-QFN (4x4 mm) exposed pad.
$2.7300Ref. price · indicative, final on quote
Packaging24-VFQFN Exposed Pad
RoHSROHS3 Compliant
SeriesKinetis KL03
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Kinetis KL03 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.71V ~ 3.6V |
| Operating temperature | -40°C ~ 105°C (TA) |
| Speed | 48MHz |
| Package | Tray |
| RAM size | 2K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, LVD, POR, PWM, WDT |
| Connectivity | I²C, SPI, UART/USART |
| Number of i (O) | 22 |
| Core processor | ARM® Cortex®-M0+ |
| Case | 24-VFQFN Exposed Pad |
| Data converters | A/D 7x12b |
| Program memory size | 16KB (16K x 8) |
Product details
Frequently asked questions
What is the operating temperature range of MKL03Z16VFK4?
The MKL03Z16VFK4 is rated for -40°C to 105°C, which qualifies it for industrial and automotive auxiliary environments.
What is the closest pin-compatible alternative to MKL03Z16VFK4?
Within the Kinetis KL03 family, the MKL03Z32VFK4 (32 KB Flash) is pin-compatible and a direct drop-in for designs needing more code space.