MKL03Z16VFK4 , ARM® Cortex®-M0+ Kinetis KL03 Microcontroller IC 32-Bit 48MHz 16KB (16K x 8) FLASH 24-QFN (4x4). we specialize in Freescale Semiconductor, Inc. MKL03Z16VFK4 electronic components. MKL03Z16VFK4 can be shipped within 24 hours after order.