ARM Microcontrollers - MCU

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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: $1.23
2,435In Stock

Mfr. Part No.
STM32L011F3P6TR

Mouser Part No
511-STM32L011F3P6TR

STMicroelectronics

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

Learn More

Datasheet

2,435In Stock

Cut Tape

$1.23

$0.924

$0.848

$0.765

Reel

$0.663

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

STM32L011F3

SMD/SMT

TSSOP-20

ARM Cortex M0+

8 kB

32 bit

12 bit

32 MHz

16 I/O

2 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

STM32L011F4P6TR
STMicroelectronics
1: $1.49
11,797In Stock

Mfr. Part No.
STM32L011F4P6TR

Mouser Part No
511-STM32L011F4P6TR

STMicroelectronics

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

Learn More

Datasheet

11,797In Stock

Cut Tape

$1.49

$1.09

$0.986

$0.876

View

Reel

$0.781

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

STM32L011F4

SMD/SMT

TSSOP-20

ARM Cortex M0+

16 kB

32 bit

12 bit

32 MHz

16 I/O

2 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

STM32L011F4U6TR
STMicroelectronics
1: $2.41
3,095In Stock
9,000Expected 01/06/2026

Mfr. Part No.
STM32L011F4U6TR

Mouser Part No
511-STM32L011F4U6TR

STMicroelectronics

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

Learn More

Datasheet

3,095In Stock

9,000Expected 01/06/2026

Cut Tape

$2.41

$1.55

$1.39

$1.14

Reel

$0.746

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

STM32L011F4

SMD/SMT

UFQFPN-20

ARM Cortex M0+

16 kB

32 bit

12 bit

32 MHz

24 I/O

2 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

STM32L011G4U6TR
STMicroelectronics
1: $1.61
2,988In Stock

Mfr. Part No.
STM32L011G4U6TR

Mouser Part No
511-STM32L011G4U6TR

STMicroelectronics

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

Learn More

Datasheet

2,988In Stock

Cut Tape

$1.61

$1.18

$1.08

$0.953

Reel

$0.769

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

STM32L011G4

SMD/SMT

ARM Cortex M0+

16 kB

32 bit

12 bit

32 MHz

24 I/O

2 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

STM32L011G4U7
STMicroelectronics
1: $2.58
2,945In Stock

Mfr. Part No.
STM32L011G4U7

Mouser Part No
511-STM32L011G4U7

STMicroelectronics

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

Learn More

Datasheet

2,945In Stock

$2.58

$1.83

$1.63

$1.34

View

Min.: 1
Mult.: 1

STM32L011G4

SMD/SMT

UFQFPN-28

ARM Cortex M0+

16 kB

32 bit

12 bit

32 MHz

24 I/O

2 kB

1.65 V

3.6 V

- 40 C

+ 105 C

Tray

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

STM32L021F4U6TR
STMicroelectronics
1: $1.92
6,170In Stock

Mfr. Part No.
STM32L021F4U6TR

Mouser Part No
511-STM32L021F4U6TR

STMicroelectronics

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

Learn More

Datasheet

6,170In Stock

Cut Tape

$1.92

$1.42

$1.29

$1.15

Reel

$0.864

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

STM32L021F4

UFQFPN-20

ARM Cortex M0+

16 kB

32 bit

12 bit

32 MHz

16 I/O

2 kB

1.8 V

3.6 V

Reel, Cut Tape, MouseReel

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

STM32L031E6Y6TR
STMicroelectronics
1: $1.79
9,149In Stock

Mfr. Part No.
STM32L031E6Y6TR

Mouser Part No
511-STM32L031E6Y6TR

STMicroelectronics

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

Learn More

Datasheet

9,149In Stock

Cut Tape

$1.79

$1.32

$1.20

$1.07

View

Reel

$0.86

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

STM32L031E6

SMD/SMT

WLCSP-25

ARM Cortex M0+

32 kB

32 bit

12 bit

32 MHz

20 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

STM32L031F4P3
STMicroelectronics
1: $2.04
4,907In Stock

Mfr. Part No.
STM32L031F4P3

Mouser Part No
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

$2.04

$1.51

$1.38

$1.23

View

Min.: 1
Mult.: 1

STM32L031F4

SMD/SMT

TSSOP-20

ARM Cortex M0+

16 kB

32 bit

12 bit

32 MHz

15 I/O

8 kB

1.65 V

3.6 V

- 40 C

+ 125 C

Tube

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

STM32L031F6P6
STMicroelectronics
1: $1.88
2,254In Stock
1,480Expected 11/05/2026

Mfr. Part No.
STM32L031F6P6

Mouser Part No
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 11/05/2026

$1.88

$1.39

$1.15

$1.10

View

Min.: 1
Mult.: 1

STM32L031F6

SMD/SMT

TSSOP-20

ARM Cortex M0+

32 kB

32 bit

12 bit

32 MHz

15 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tube

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

STM32L031F6P6TR
STMicroelectronics
1: $2.71
2,879In Stock

Mfr. Part No.
STM32L031F6P6TR

Mouser Part No
511-STM32L031F6P6TR

STMicroelectronics

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

Learn More

Datasheet

2,879In Stock

Cut Tape

$2.71

$1.74

$1.56

$1.28

Reel

$0.838

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

STM32L031F6

SMD/SMT

TSSOP-20

ARM Cortex M0+

32 kB

32 bit

12 bit

32 MHz

15 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

STM32L031F6P7
STMicroelectronics
1: $2.09
14,707In Stock

Mfr. Part No.
STM32L031F6P7

Mouser Part No
511-STM32L031F6P7

STMicroelectronics

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

Learn More

Datasheet

14,707In Stock

$2.09

$1.55

$1.41

$1.26

View

Min.: 1
Mult.: 1

STM32L031F6

SMD/SMT

TSSOP-20

ARM Cortex M0+

32 kB

32 bit

12 bit

32 MHz

15 I/O

8 kB

1.65 V

3.6 V

- 40 C

+ 105 C

Tube

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

STM32L031F6P7TR
STMicroelectronics
1: $2.13
4,457In Stock

Mfr. Part No.
STM32L031F6P7TR

Mouser Part No
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

$2.13

$1.57

$1.43

$1.27

Reel

$0.911

View

Min.: 1
Mult.: 1

Reel: 2,500

STM32L031F6

SMD/SMT

TSSOP-20

ARM Cortex M0+

32 kB

32 bit

12 bit

32 MHz

15 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 105 C

Reel, Cut Tape

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

STM32L031G6U6
STMicroelectronics
1: $1.73
9,248In Stock

Mfr. Part No.
STM32L031G6U6

Mouser Part No
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

$1.73

$1.32

$1.20

$1.07

View

Min.: 1
Mult.: 1

STM32L031G6

SMD/SMT

UFQFPN-28

ARM Cortex M0+

32 kB

32 bit

12 bit

32 MHz

23 I/O

8 kB

1.65 V

3.6 V

- 40 C

+ 85 C

Tray

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

STM32L031G6U6S
STMicroelectronics
1: $1.80
3,416In Stock

Mfr. Part No.
STM32L031G6U6S

Mouser Part No
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

$1.80

$1.32

$1.21

$1.07

View

Min.: 1
Mult.: 1

STM32L031G6

SMD/SMT

UFQFPN-28

ARM Cortex M0+

32 kB

32 bit

12 bit

32 MHz

23 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tray

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

STM32L031G6U6STR
STMicroelectronics
1: $2.81
3,487In Stock

Mfr. Part No.
STM32L031G6U6STR

Mouser Part No
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

$2.81

$1.82

$1.65

$1.39

Reel

$0.896

View

Min.: 1
Mult.: 1

Reel: 3,000

STM32L031G6

SMD/SMT

UFQFPN-28

ARM Cortex M0+

32 kB

32 bit

12 bit

32 MHz

23 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape

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

STM32L031G6U7
STMicroelectronics
1: $1.62
7,656In Stock

Mfr. Part No.
STM32L031G6U7

Mouser Part No
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

$1.62

$1.19

$1.09

$0.967

View

Min.: 1
Mult.: 1

STM32L031G6

SMD/SMT

UFQFPN-28

ARM Cortex M0+

32 kB

32 bit

12 bit

32 MHz

23 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 105 C

Tray

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

STM32L031K6T6
STMicroelectronics
1: $2.23
4,595In Stock

Mfr. Part No.
STM32L031K6T6

Mouser Part No
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

$2.23

$1.65

$1.51

$1.35

View

Min.: 1
Mult.: 1

STM32L031K6

SMD/SMT

LQFP-32

ARM Cortex M0+

32 kB

32 bit

12 bit

32 MHz

27 I/O

8 kB

1.65 V

3.6 V

- 40 C

+ 85 C

Tray

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

STM32L031K6T6TR
STMicroelectronics
1: $2.29
3,933In Stock

Mfr. Part No.
STM32L031K6T6TR

Mouser Part No
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

$2.29

$1.70

$1.56

$1.39

Reel

$1.12

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,400

STM32L031K6

SMD/SMT

LQFP-32

ARM Cortex M0+

32 kB

32 bit

12 bit

32 MHz

27 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

STM32L031K6T7
STMicroelectronics
1: $2.26
3,742In Stock

Mfr. Part No.
STM32L031K6T7

Mouser Part No
511-STM32L031K6T7

STMicroelectronics

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

Learn More

Datasheet

3,742In Stock

$2.26

$1.68

$1.53

$1.37

View

Min.: 1
Mult.: 1

STM32L031K6

SMD/SMT

LQFP-32

ARM Cortex M0+

32 kB

32 bit

12 bit

32 MHz

27 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 105 C

Tray

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

STM32L041F6P7
STMicroelectronics
1: $1.90
6,054In Stock

Mfr. Part No.
STM32L041F6P7

Mouser Part No
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

$1.90

$1.40

$1.28

$1.14

View

Min.: 1
Mult.: 1

STM32L041F6

SMD/SMT

TSSOP-20

ARM Cortex M0+

32 kB

32 bit

12 bit

32 MHz

15 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 105 C

Tube

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

STM32L051C8T3
STMicroelectronics
1: $2.82
2,279In Stock

Mfr. Part No.
STM32L051C8T3

Mouser Part No
511-STM32L051C8T3

STMicroelectronics

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

Learn More

Datasheet

2,279In Stock

$2.82

$2.14

$1.97

$1.78

View

Min.: 1
Mult.: 1

STM32L051C8

SMD/SMT

LQFP-48

ARM Cortex M0+

64 kB

32 bit

12 bit

32 MHz

37 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 125 C

Tray

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

STM32L051C8T6
STMicroelectronics
1: $2.91
1,732In Stock

Mfr. Part No.
STM32L051C8T6

Mouser Part No
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

$2.91

$2.18

$2.00

$1.80

View

Min.: 1
Mult.: 1

STM32L051C8

SMD/SMT

LQFP-48

ARM Cortex M0+

64 kB

32 bit

12 bit

32 MHz

37 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tray

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

STM32L051C8T6TR
STMicroelectronics
1: $2.57
4,303In Stock

Mfr. Part No.
STM32L051C8T6TR

Mouser Part No
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

$2.57

$1.92

$1.76

$1.58

Reel

$1.45

View

Min.: 1
Mult.: 1

Reel: 2,400

STM32L051C8

SMD/SMT

LQFP-48

ARM Cortex M0+

64 kB

32 bit

12 bit

32 MHz

37 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape

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

STM32L051C8T7
STMicroelectronics
1: $2.65
1,874In Stock

Mfr. Part No.
STM32L051C8T7

Mouser Part No
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

$2.65

$1.99

$1.83

$1.64

View

Min.: 1
Mult.: 1

STM32L051C8

SMD/SMT

ARM Cortex M0+

64 kB

32 bit

12 bit

32 MHz

37 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 105 C

Tray

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

STM32L051C8U6
STMicroelectronics
1: $2.57
3,042In Stock

Mfr. Part No.
STM32L051C8U6

Mouser Part No
511-STM32L051C8U6

STMicroelectronics

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

Learn More

Datasheet

3,042In Stock

$2.57

$1.92

$1.75

$1.57

View

Min.: 1
Mult.: 1

STM32L0

SMD/SMT

UFQFPN-48

ARM Cortex M0+

64 kB

32 bit

12 bit

32 MHz

37 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tray

STM32 L0 Ultra-Low-Power MCUs

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STM32L0
STM32L010C6
STM32L010F4
STM32L010RB
STM32L011D3
STM32L011D4
STM32L011E3
STM32L011E4
STM32L011F3
STM32L011F4
STM32L011G3
STM32L011G4
STM32L011K3
STM32L011K4
STM32L021D4
STM32L021F4
STM32L021G4
STM32L021K4
STM32L031C4
STM32L031C6