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STM32 L0 Ultra-Low-Power MCUs

STMicroelectronics STM32 L0 Ultra-Low-Power Microcontrollers (MCUs) feature ultra-low-power and high performance. The combination of an Arm Cortex®-M0+ core and STMicroelectronics STM32 ultra-low-power features makes the STM32 L0 ideal for applications operating on battery or supplied by energy harvesting.

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Part #

ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU 8-Kbytes Flash, 32 MHz CPU

STM32L011F3P6TR
STMicroelectronics
1: $1.91
2,435In Stock

Mfr. Part #
STM32L011F3P6TR

Mouser Part #
511-STM32L011F3P6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU 8-Kbytes Flash, 32 MHz CPU

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Datasheet

2,435In Stock

Cut Tape

$1.91

$1.43

$1.31

$1.19

Reel

$1.03

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Min.: 1
Mult.: 1

Reel: 2,500

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 16-Kbytes Flash, 32 MHz CPU

STM32L011F4P6TR
STMicroelectronics
1: $2.31
11,797In Stock

Mfr. Part #
STM32L011F4P6TR

Mouser Part #
511-STM32L011F4P6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 16-Kbytes Flash, 32 MHz CPU

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Datasheet

11,797In Stock

Cut Tape

$2.31

$1.69

$1.53

$1.36

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Reel

$1.21

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 16-Kbytes Flash, 32 MHz CPU

STM32L011F4U6TR
STMicroelectronics
1: $3.74
3,095In Stock
9,000Expected 2026-05-29

Mfr. Part #
STM32L011F4U6TR

Mouser Part #
511-STM32L011F4U6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 16-Kbytes Flash, 32 MHz CPU

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Datasheet

3,095In Stock

9,000Expected 2026-05-29

Cut Tape

$3.74

$2.40

$2.15

$1.77

Reel

$1.16

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MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU 16-Kbytes Flash, 32 MHz CPU

STM32L011G4U6TR
STMicroelectronics
1: $2.50
2,988In Stock

Mfr. Part #
STM32L011G4U6TR

Mouser Part #
511-STM32L011G4U6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU 16-Kbytes Flash, 32 MHz CPU

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Datasheet

2,988In Stock

Cut Tape

$2.50

$1.83

$1.67

$1.48

Reel

$1.19

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MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU 16-Kbytes Flash, 32 MHz CPU

STM32L011G4U7
STMicroelectronics
1: $4.00
2,945In Stock

Mfr. Part #
STM32L011G4U7

Mouser Part #
511-STM32L011G4U7

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU 16-Kbytes Flash, 32 MHz CPU

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Datasheet

2,945In Stock

$4.00

$2.84

$2.53

$2.08

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Min.: 1
Mult.: 1

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 16-Kbytes of Flash , 32 MHz CPU, AES

STM32L021F4U6TR
STMicroelectronics
1: $2.98
6,170In Stock

Mfr. Part #
STM32L021F4U6TR

Mouser Part #
511-STM32L021F4U6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 16-Kbytes of Flash , 32 MHz CPU, AES

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Datasheet

6,170In Stock

Cut Tape

$2.98

$2.20

$2.00

$1.78

Reel

$1.34

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MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

STM32L031E6Y6TR
STMicroelectronics
1: $2.77
9,149In Stock

Mfr. Part #
STM32L031E6Y6TR

Mouser Part #
511-STM32L031E6Y6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

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Datasheet

9,149In Stock

Cut Tape

$2.77

$2.05

$1.86

$1.66

View

Reel

$1.33

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ARM Microcontrollers - MCU ultra-low-power Arm Cortex-M0+ MCU 16-Kbytes of Flash , 32 MHz CPU

STM32L031F4P3
STMicroelectronics
1: $3.16
4,907In Stock

Mfr. Part #
STM32L031F4P3

Mouser Part #
511-STM32L031F4P3

STMicroelectronics

ARM Microcontrollers - MCU ultra-low-power Arm Cortex-M0+ MCU 16-Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

4,907In Stock

$3.16

$2.34

$2.14

$1.91

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Min.: 1
Mult.: 1

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

STM32L031F6P6
STMicroelectronics
1: $2.91
2,254In Stock
1,480Expected 2026-05-11

Mfr. Part #
STM32L031F6P6

Mouser Part #
511-STM32L031F6P6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

2,254In Stock

1,480Expected 2026-05-11

$2.91

$2.15

$1.78

$1.71

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

STM32L031F6P6TR
STMicroelectronics
1: $4.20
2,784In Stock

Mfr. Part #
STM32L031F6P6TR

Mouser Part #
511-STM32L031F6P6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

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Datasheet

2,784In Stock

Cut Tape

$4.20

$2.70

$2.42

$1.98

Reel

$1.30

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MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

STM32L031F6P7
STMicroelectronics
1: $3.24
14,707In Stock

Mfr. Part #
STM32L031F6P7

Mouser Part #
511-STM32L031F6P7

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

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Datasheet

14,707In Stock

$3.24

$2.40

$2.19

$1.95

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

STM32L031F6P7TR
STMicroelectronics
1: $3.30
4,457In Stock

Mfr. Part #
STM32L031F6P7TR

Mouser Part #
511-STM32L031F6P7TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

4,457In Stock

Cut Tape

$3.30

$2.43

$2.22

$1.97

Reel

$1.41

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Min.: 1
Mult.: 1

Reel: 2,500

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

STM32L031G6U6
STMicroelectronics
1: $2.68
9,248In Stock

Mfr. Part #
STM32L031G6U6

Mouser Part #
511-STM32L031G6U6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

9,248In Stock

$2.68

$2.05

$1.86

$1.66

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

STM32L031G6U6S
STMicroelectronics
1: $2.79
3,416In Stock

Mfr. Part #
STM32L031G6U6S

Mouser Part #
511-STM32L031G6U6S

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

3,416In Stock

$2.79

$2.05

$1.88

$1.66

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

STM32L031G6U6STR
STMicroelectronics
1: $4.36
3,487In Stock

Mfr. Part #
STM32L031G6U6STR

Mouser Part #
511-STM32L031G6U6STR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

3,487In Stock

Cut Tape

$4.36

$2.82

$2.56

$2.15

Reel

$1.39

View

Min.: 1
Mult.: 1

Reel: 3,000

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

STM32L031G6U7
STMicroelectronics
1: $2.51
7,656In Stock

Mfr. Part #
STM32L031G6U7

Mouser Part #
511-STM32L031G6U7

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

7,656In Stock

$2.51

$1.84

$1.69

$1.50

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

STM32L031K6T6
STMicroelectronics
1: $3.46
4,595In Stock

Mfr. Part #
STM32L031K6T6

Mouser Part #
511-STM32L031K6T6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

4,595In Stock

$3.46

$2.56

$2.34

$2.09

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

STM32L031K6T6TR
STMicroelectronics
1: $3.55
3,933In Stock

Mfr. Part #
STM32L031K6T6TR

Mouser Part #
511-STM32L031K6T6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

3,933In Stock

Cut Tape

$3.55

$2.64

$2.42

$2.15

Reel

$1.74

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,400

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

STM32L031K6T7
STMicroelectronics
1: $3.50
3,702In Stock

Mfr. Part #
STM32L031K6T7

Mouser Part #
511-STM32L031K6T7

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

3,702In Stock

$3.50

$2.60

$2.37

$2.12

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

STM32L031K6U6TR
STMicroelectronics
1: $3.58
5,999In Stock

Mfr. Part #
STM32L031K6U6TR

Mouser Part #
511-STM32L031K6U6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

5,999In Stock

Cut Tape

$3.58

$2.65

$2.43

$2.17

Reel

$1.58

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU, AES

STM32L041F6P7
STMicroelectronics
1: $2.95
6,054In Stock

Mfr. Part #
STM32L041F6P7

Mouser Part #
511-STM32L041F6P7

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU, AES

Learn More

Datasheet

6,054In Stock

$2.95

$2.17

$1.98

$1.77

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 64 Kbytes of Flash , 32 MHz CPU

STM32L051C8T3
STMicroelectronics
1: $4.37
2,279In Stock

Mfr. Part #
STM32L051C8T3

Mouser Part #
511-STM32L051C8T3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 64 Kbytes of Flash , 32 MHz CPU

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Datasheet

2,279In Stock

$4.37

$3.32

$3.05

$2.76

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 64 Kbytes of Flash , 32 MHz CPU

STM32L051C8T6
STMicroelectronics
1: $4.51
1,732In Stock

Mfr. Part #
STM32L051C8T6

Mouser Part #
511-STM32L051C8T6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 64 Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

1,732In Stock

$4.51

$3.38

$3.10

$2.79

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 64 Kbytes of Flash , 32 MHz CPU

STM32L051C8T6TR
STMicroelectronics
1: $3.98
4,303In Stock

Mfr. Part #
STM32L051C8T6TR

Mouser Part #
511-STM32L051C8T6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 64 Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

4,303In Stock

Cut Tape

$3.98

$2.98

$2.73

$2.45

Reel

$2.25

View

Min.: 1
Mult.: 1

Reel: 2,400

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 64 Kbytes of Flash , 32 MHz CPU

STM32L051C8T7
STMicroelectronics
1: $4.11
1,874In Stock

Mfr. Part #
STM32L051C8T7

Mouser Part #
511-STM32L051C8T7

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 64 Kbytes of Flash , 32 MHz CPU

Learn More

Datasheet

1,874In Stock

$4.11

$3.08

$2.84

$2.54

View

Min.: 1
Mult.: 1

STM32 L0 Ultra-Low-Power MCUs

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STM32 L0 Ultra-Low-Power MCUs

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