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STM32L Microcontrollers - MCU

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Types of Microcontrollers - MCU

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Part #

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp

STM32L151QEH6
STMicroelectronics
1: $19.45
2,496Expected 12/10/2026

Mfr. Part #
STM32L151QEH6

Mouser Part #
511-STM32L151QEH6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp

Learn More

Datasheet

2,496Expected 12/10/2026

$19.45

$15.22

$13.94

$13.05

View

Min.: 1
Mult.: 1

SMD/SMT

BGA-132

ARM Cortex M3

512 kB

32 bit

12 bit

32 MHz

109 I/O

80 kB

1.65 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

STM32L051R8H6
STMicroelectronics
1: $5.60
7,680Expected 8/2/2027

Mfr. Part #
STM32L051R8H6

Mouser Part #
511-STM32L051R8H6

STMicroelectronics

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

Learn More

Datasheet

7,680Expected 8/2/2027

$5.60

$3.99

$3.60

$3.21

View

Min.: 1
Mult.: 1

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 192-Kbytes of Flash 32 MHz CPU, USB, LCD, AES

STM32L083VZT6
STMicroelectronics
1: $9.66
1,073Expected 2/1/2027

Mfr. Part #
STM32L083VZT6

Mouser Part #
511-STM32L083VZT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 192-Kbytes of Flash 32 MHz CPU, USB, LCD, AES

Learn More

Datasheet

1,073Expected 2/1/2027

$9.66

$6.80

$6.40

$5.75

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-100

ARM Cortex M0+

192 kB

32 bit

12 bit

32 MHz

84 I/O

20 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 192 Kbytes of Flash , 32 MHz CPu

STM32L071CZT6
STMicroelectronics
1: $7.10
1,493Expected 3/1/2027

Mfr. Part #
STM32L071CZT6

Mouser Part #
511-STM32L071CZT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 192 Kbytes of Flash , 32 MHz CPu

Learn More

Datasheet

1,493Expected 3/1/2027

$7.10

$5.40

$4.71

$4.50

View

Min.: 1
Mult.: 1

SMD/SMT

ARM Cortex M0+

192 kB

32 bit

12 bit

32 MHz

40 I/O

20 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash

STM32L552CET6
STMicroelectronics
1: $15.48
1,497Expected 12/31/2026

Mfr. Part #
STM32L552CET6

Mouser Part #
511-STM32L552CET6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash

Learn More

Datasheet

1,497Expected 12/31/2026

$15.48

$12.05

$11.15

$10.11

Min.: 1
Mult.: 1
Max.: 150

SMD/SMT

LQFP-48

ARM Cortex M33

512 kB

32 bit

2 x 12 bit

110 MHz

38 I/O

256 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 2048 kbytes of Flash USB OTG, DFSD

STM32L4S5VIT6
STMicroelectronics
1: $19.15
1,080On Order

Mfr. Part #
STM32L4S5VIT6

Mouser Part #
511-STM32L4S5VIT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 2048 kbytes of Flash USB OTG, DFSD

Learn More

Datasheet

1,080On Order

$19.15

$15.30

$14.55

$14.09

Min.: 1
Mult.: 1
Max.: 150

SMD/SMT

LQFP-100

ARM Cortex M4

2 MB

32 bit

2 x 12 bit

120 MHz

83 I/O

640 kB

1.71 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, USB, LCD

STM32L073V8T6
STMicroelectronics
1: $8.07
49In Stock

Mfr. Part #
STM32L073V8T6

Mouser Part #
511-STM32L073V8T6

STMicroelectronics

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

Learn More

Datasheet

49In Stock

$8.07

$5.84

$5.41

$4.89

View

Min.: 1
Mult.: 1

SMD/SMT

ARM Cortex M0+

64 kB

32 bit

12 bit

32 MHz

84 I/O

20 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 192-Kbytes of Flash , 32 MHz CPU, USB, LCD

STM32L073VZT6
STMicroelectronics
1: $8.85
1,620Expected 1/18/2027

Mfr. Part #
STM32L073VZT6

Mouser Part #
511-STM32L073VZT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 192-Kbytes of Flash , 32 MHz CPU, USB, LCD

Learn More

Datasheet

1,620Expected 1/18/2027

$8.85

$6.71

$6.31

$5.64

View

Min.: 1
Mult.: 1

SMD/SMT

ARM Cortex M0+

192 kB

32 bit

12 bit

32 MHz

84 I/O

20 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tray

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

STM32L011D4P7
STMicroelectronics
1: $2.51
1,920On Order

Mfr. Part #
STM32L011D4P7

Mouser Part #
511-STM32L011D4P7

STMicroelectronics

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

Learn More

Datasheet

1,920On Order

$2.51

$1.85

$1.50

$1.43

$1.34

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-14

ARM Cortex M0+

16 kB

32 bit

12 bit

32 MHz

11 I/O

2 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: $4.39
6,273On Order

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

Learn More

Datasheet

6,273On Order

$4.39

$3.21

$2.85

$2.70

View

Min.: 1
Mult.: 1

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, USB, AES

STM32L062K8U6
STMicroelectronics
1: $4.73
2,871Expected 12/25/2026

Mfr. Part #
STM32L062K8U6

Mouser Part #
511-STM32L062K8U6

STMicroelectronics

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

Learn More

Datasheet

2,871Expected 12/25/2026

$4.73

$3.29

$2.93

$2.61

View

Min.: 1
Mult.: 1

SMD/SMT

UFQFPN-32

ARM Cortex M0+

64 kB

32 bit

12 bit

32 MHz

27 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz

STM32L151RCT6
STMicroelectronics
1: $11.58
1,920On Order

Mfr. Part #
STM32L151RCT6

Mouser Part #
511-STM32L151RCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz

Learn More

Datasheet

1,920On Order

$11.58

$8.80

$8.11

$7.27

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-64

ARM Cortex M3

256 kB

32 bit

12 bit

32 MHz

51 I/O

32 kB

1.65 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash LCD, USB OTG, D

STM32L476RET6
STMicroelectronics
1: $12.13
1,627On Order

Mfr. Part #
STM32L476RET6

Mouser Part #
511-STM32L476RET6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash LCD, USB OTG, D

Learn More

Datasheet

1,627On Order

$12.13

$9.48

$8.72

$8.03

Min.: 1
Mult.: 1
Max.: 150

SMD/SMT

LQFP-64

ARM Cortex M4

512 kB

32 bit

3 x 12 bit

80 MHz

51 I/O

128 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

STM32L431RBT6
STMicroelectronics
1: $8.23
957On Order

Mfr. Part #
STM32L431RBT6

Mouser Part #
511-STM32L431RBT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

Learn More

Datasheet

957On Order

$8.23

$5.81

$4.55

$4.34

Min.: 1
Mult.: 1
Max.: 150

SMD/SMT

LQFP-64

ARM Cortex M4

128 kB

32 bit

12 bit

80 MHz

52 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433VCT6
STMicroelectronics
1: $11.04
3,474On Order

Mfr. Part #
STM32L433VCT6

Mouser Part #
511-STM32L433VCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

3,474On Order

$11.04

$7.72

$7.36

$6.40

$6.10

Min.: 1
Mult.: 1
Max.: 500

SMD/SMT

LQFP-100

ARM Cortex M4

256 kB

32 bit

12 bit

80 MHz

83 I/O

64 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of of Flash , USB

STM32L422KBU6
STMicroelectronics
1: $6.12
2,866On Order

Mfr. Part #
STM32L422KBU6

Mouser Part #
511-STM32L422KBU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of of Flash , USB

Learn More

Datasheet

2,866On Order

$6.12

$4.63

$4.03

$3.84

View

Min.: 1
Mult.: 1
Max.: 500

SMD/SMT

UFQFPN-32

ARM Cortex M4

128 kB

32 bit

2 x 12 bit

80 MHz

26 I/O

40 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 2048 kbytes of Flash USB OTG, DFSD

STM32L4S9ZIJ6
STMicroelectronics
1: $25.52
1,008Expected 11/23/2026

Mfr. Part #
STM32L4S9ZIJ6

Mouser Part #
511-STM32L4S9ZIJ6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 2048 kbytes of Flash USB OTG, DFSD

Learn More

Datasheet

1,008Expected 11/23/2026

$25.52

$20.38

$19.28

$18.15

Min.: 1
Mult.: 1
Max.: 150

SMD/SMT

UFBGA-144

ARM Cortex M4

2 MB

32 bit

12 bit

120 MHz

112 I/O

640 kB

1.71 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

STM32L431KBU6TR
STMicroelectronics
1: $5.75
3,800On Order

Mfr. Part #
STM32L431KBU6TR

Mouser Part #
511-STM32L431KBU6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

Learn More

Datasheet

3,800On Order

Cut Tape

$5.75

$4.34

$3.78

$3.61

$3.32

Reel

$3.32

MouseReel Available

Min.: 1
Mult.: 1
Max.: 500

: 3,000

SMD/SMT

UFQFPN-32

ARM Cortex M4

128 kB

32 bit

12 bit

80 MHz

26 I/O

64 kB

1.71 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

STM32L051C6T6TR
STMicroelectronics
1: $4.34
2,000Expected 10/5/2026

Mfr. Part #
STM32L051C6T6TR

Mouser Part #
511-STM32L051C6T6TR

STMicroelectronics

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

Learn More

Datasheet

2,000Expected 10/5/2026

Cut Tape

$4.34

$3.19

$2.81

$2.59

View

Reel

$1.73

Min.: 1
Mult.: 1

: 2,400

SMD/SMT

LQFP-48

ARM Cortex M0+

32 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 32-Kbytes of Flash , 32 MHz CPU

STM32L031K6U6
STMicroelectronics
1: $3.00
10,891On Order

Mfr. Part #
STM32L031K6U6

Mouser Part #
511-STM32L031K6U6

STMicroelectronics

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

Learn More

Datasheet

10,891On Order

$3.00

$2.22

$1.91

$1.81

View

Min.: 1
Mult.: 1

SMD/SMT

UFQFPN-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

Tray

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

STM32L031G6U6S
STMicroelectronics
1: $2.80
2,940Expected 3/8/2027

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

2,940Expected 3/8/2027

$2.80

$2.07

$1.77

$1.68

View

Min.: 1
Mult.: 1

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

STM32L031G6U3
STMicroelectronics
1: $4.28
1,940Expected 3/1/2027

Mfr. Part #
STM32L031G6U3

Mouser Part #
511-STM32L031G6U3

STMicroelectronics

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

Learn More

Datasheet

1,940Expected 3/1/2027

$4.28

$2.78

$2.56

$2.20

View

Min.: 1
Mult.: 1

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

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 1024 kbytes of Flash USB OTG, DFSD

STM32L4P5RGT6
STMicroelectronics
1: $16.51
1,818Expected 12/24/2026

Mfr. Part #
STM32L4P5RGT6

Mouser Part #
511-STM32L4P5RGT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 1024 kbytes of Flash USB OTG, DFSD

Datasheet

1,818Expected 12/24/2026

$16.51

$13.21

$12.23

$10.97

$10.69

Min.: 1
Mult.: 1
Max.: 300

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone MCU 110 MHz 512 kbytes of Flash

STM32L552ZET3
STMicroelectronics
1: $19.02
346In Stock

Mfr. Part #
STM32L552ZET3

Mouser Part #
511-STM32L552ZET3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone MCU 110 MHz 512 kbytes of Flash

Datasheet

346In Stock

$19.02

$14.46

$13.86

$12.27

View

Min.: 1
Mult.: 1

Tray

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

STM32L011F4U3TR
STMicroelectronics
1: $2.82
9,000Expected 9/7/2026

Mfr. Part #
STM32L011F4U3TR

Mouser Part #
511-STM32L011F4U3TR

STMicroelectronics

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

Learn More

Datasheet

9,000Expected 9/7/2026

Cut Tape

$2.82

$2.08

$1.78

$1.69

View

Reel

$1.28

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

UFQFPN-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

+ 125 C

Reel, Cut Tape, MouseReel

STM32L Microcontrollers - MCU

Types of Microcontrollers - MCU

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BGA-100
BGA-132
BGA-176
BGA-216
BGA-64
CSP-100
CSP-115
CSP-36
CSP-48
CSP-64
CSP-72
CSP-81
LFBGA-144
LQFP-100
LQFP-144
LQFP-32
LQFP-48
LQFP-64
LQFT-100
QFN-32

11 I/O
15 I/O
16 I/O
20 I/O
21 I/O
23 I/O
24 I/O
25 I/O
26 I/O
27 I/O
28 I/O
29 I/O
30 I/O
36 I/O
37 I/O
38 I/O
39 I/O
40 I/O
47 I/O
50 I/O