Mfr Part #:

MKL03Z32CBF4R

The NXP Semiconductors MKL03Z32CBF4R is a compact microcontroller featuring an ARM Cortex-M0+ core operating at 48 MHz. It offers 32 KB of Flash memory and 2 KB of SRAM.

✓ Total Stock: 13,667 pcs

$ Price Range: $6.40

MKL03Z32CBF4R Available from 2 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Flip Electronics ✓ Non-Authorised Inventory information	10,000 pcs On Request	10000 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Xingangxin ✓ Non-Authorised Inventory information	3,667 pcs On Request	3667 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

MKL03Z32CBF4R Description

Short technical summary and product information.

The NXP Semiconductors MKL03Z32CBF4R is a 32-bit microcontroller from the Kinetis KL03 series, built around an ARM Cortex-M0+ core running at up to 48 MHz. This device is designed for ultra-low power consumption and a tiny form factor, making it suitable for Internet of Things (IoT) edge nodes.

Key electrical specifications include 32 KB of program Flash memory and 2 KB of SRAM. It operates within a voltage range of 1.71V to 3.6V and features an internal oscillator. Connectivity options include I2C, SPI, and UART/USART interfaces, along with peripherals such as Brown-out Detect/Reset, LVD, POR, PWM, and WDT.

The microcontroller is housed in a 20-WLCSP package, measuring 2x1.61 mm, and is designed for surface mounting. It operates across a temperature range of -40°C to 85°C. The small footprint and low power characteristics make it an ideal solution for space-constrained applications requiring efficient processing.

This MCU is part of NXP's Kinetis KL03 family, known for its integration of core processing, memory, and peripherals in a minimal physical footprint. Its design considerations focus on power optimization and suitability for embedded control tasks.

MKL03Z32CBF4R Quick Information

Product Type: Microcontroller

Series: KL03

Canonical Name: NXP Semiconductors MKL03Z32CBF4R Microcontroller

Subcategory: MCU

MKL03Z32CBF4R Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MKL03Z32CBF4R Estimated Pricing

Qty	Low	High
1+	$6.40	$6.40

Estimated market price range - modelled values for guidance only, not live distributor offers.

MKL03Z32CBF4R Features

ARM Cortex-M0+ core at 48 MHz.
32 KB Flash and 2 KB SRAM.
Compact 20-WLCSP package.
Low operating voltage range.
I2C, SPI, and UART/USART connectivity.

MKL03Z32CBF4R Applications

Ideal for IoT edge nodes.
Suitable for embedded control.
Space-constrained designs.
Low-power applications.

MKL03Z32CBF4R FAQs

6 frequently asked questions generated from this part’s specifications.

What is the core speed of the MKL03Z32CBF4R?

The ARM Cortex-M0+ core runs at 48 MHz.

How much Flash and SRAM does the MKL03Z32CBF4R have?

It has 32 KB of Flash memory and 2 KB of SRAM.

What is the operating voltage range for the MKL03Z32CBF4R?

The operating voltage range is 1.71V to 3.6V.

What package type is the MKL03Z32CBF4R available in?

The MKL03Z32CBF4R is available in a 20-WLCSP package.

What are the communication interfaces supported by the MKL03Z32CBF4R?

It supports I2C, SPI, and UART/USART communication interfaces.

What is the operating temperature range for this microcontroller?

The operating temperature range is -40°C to 85°C.

Category	Microcontrollers
Manufacturer Name	NXP Semiconductors
Connectivity	I2C, SPI, UART/USART
Core Processor	ARM Cortex-M0+
Core Size	32-Bit
Lead Spacing	2.0 mm
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C
Oscillator Type	Internal
Peripherals	Brown-out Detect/Reset, LVD, POR, PWM, WDT
Program Memory Size	32 KB
Program Memory Type	FLASH
RAM Size	2 KB
Speed	48 MHz
Supplier Device Package	20-WLCSP (2x1.61)
Voltage	1.71V ~ 3.6V