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Silicon Labs BB50 Series 8-bit Microcontrollers - MCU

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Part #

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F8G-A-QFN12
Silicon Labs
1: $1.90
10,835In Stock

Mfr. Part No.
EFM8BB50F8G-A-QFN12

Mouser Part No
634-M8BB50F8GAQFN12

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

Learn More

Datasheet

10,835In Stock

$1.90

$1.19

$1.03

$0.808

View

Min.: 1
Mult.: 1

8 kB

512 B

QFN-12

50 MHz

12 bit

9 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F16G-A-QFN12
Silicon Labs
1: $1.00
818In Stock

Mfr. Part No.
EFM8BB50F16G-A-QFN12

Mouser Part No
634-M8BB50F16GAQFN12

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

Learn More

Datasheet

818In Stock

$1.00

$0.859

$0.801

$0.676

View

Min.: 1
Mult.: 1

16 kB

512 B

QFN-12

50 MHz

12 bit

9 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F16G-A-SOIC16
Silicon Labs
1: $1.24
1,557In Stock

Mfr. Part No.
EFM8BB50F16G-A-SOIC16

Mouser Part No
634-M8BB50F16GASIC16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

1,557In Stock

$1.24

$1.06

$0.981

$0.876

View

Min.: 1
Mult.: 1

16 kB

512 B

SOIC-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Tube

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F16I-A-SOIC16
Silicon Labs
1: $1.26
973In Stock

Mfr. Part No.
EFM8BB50F16I-A-SOIC16

Mouser Part No
634-M8BB50F16IASIC16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

973In Stock

$1.26

$1.08

$1.01

$0.898

View

Min.: 1
Mult.: 1

16 kB

512 B

SOIC-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

BB50

Tube

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F4I-A-SOIC16
Silicon Labs
1: $0.834
673In Stock

Mfr. Part No.
EFM8BB50F4I-A-SOIC16

Mouser Part No
634-M8BB50F4IASOIC16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

673In Stock

$0.834

$0.71

$0.662

$0.589

View

Min.: 1
Mult.: 1

4 kB

512 B

SOIC-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

BB50

Tube

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F16I-A-QFN12
Silicon Labs
1: $1.03
48In Stock

Mfr. Part No.
EFM8BB50F16I-A-QFN12

Mouser Part No
634-M8BB50F16IAQFN12

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

Learn More

Datasheet

48In Stock

$1.03

$0.887

$0.826

$0.698

View

Min.: 1
Mult.: 1

16 kB

512 B

QFN-12

50 MHz

12 bit

9 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

BB50

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F16I-A-QFN16
Silicon Labs
1: $1.07
109In Stock

Mfr. Part No.
EFM8BB50F16I-A-QFN16

Mouser Part No
634-M8BB50F16IAQFN16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

109In Stock

$1.07

$0.916

$0.852

$0.719

View

Min.: 1
Mult.: 1

16 kB

512 B

QFN-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

BB50

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F4G-A-QFN12
Silicon Labs
1: $0.792
163In Stock

Mfr. Part No.
EFM8BB50F4G-A-QFN12

Mouser Part No
634-M8BB50F4GAQFN12

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

Learn More

Datasheet

163In Stock

$0.792

$0.688

$0.642

$0.513

View

Min.: 1
Mult.: 1

4 kB

512 B

QFN-12

50 MHz

12 bit

9 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F4G-A-QFN16
Silicon Labs
1: $0.834
180In Stock

Mfr. Part No.
EFM8BB50F4G-A-QFN16

Mouser Part No
634-M8BB50F4GAQFN16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

180In Stock

$0.834

$0.717

$0.669

$0.532

View

Min.: 1
Mult.: 1

4 kB

512 B

QFN-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F16G-A-QFN16R
Silicon Labs
1: $2.21
3,700Expected 3/4/2026

Mfr. Part No.
EFM8BB50F16G-A-QFN16R

Mouser Part No
634-M8BB50F16GAFN16R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

3,700Expected 3/4/2026

Cut Tape

$2.21

$1.38

$1.19

$0.937

View

Reel

$0.575

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

16 kB

512 B

QFN-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F16G-A-QFN16
Silicon Labs
1: $1.03
1,000Expected 10/4/2026

Mfr. Part No.
EFM8BB50F16G-A-QFN16

Mouser Part No
634-M8BB50F16GAQFN16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

1,000Expected 10/4/2026

$1.03

$0.887

$0.826

$0.698

View

Min.: 1
Mult.: 1

16 kB

512 B

QFN-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F16G-A-QFN12R
Silicon Labs
3,000: $0.557
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F16G-A-QFN12R

Mouser Part No
634-M8BB50F16GAFN12R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.557

Min.: 3,000
Mult.: 3,000

Reel: 3,000

16 kB

512 B

QFN-12

50 MHz

12 bit

9 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Reel

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F16G-A-SOIC16R
Silicon Labs
2,500: $0.695
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F16G-A-SOIC16R

Mouser Part No
634-M8BB50F16GSIC16R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.695

Min.: 2,500
Mult.: 2,500

Reel: 2,500

16 kB

512 B

SOIC-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Reel

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F16I-A-SOIC16R
Silicon Labs
2,500: $0.713
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F16I-A-SOIC16R

Mouser Part No
634-M8BB50F16IAIC16R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.713

$0.706

Min.: 2,500
Mult.: 2,500

Reel: 2,500

16 kB

512 B

SOIC-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

BB50

Reel

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F4G-A-QFN16R
Silicon Labs
3,000: $0.463
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F4G-A-QFN16R

Mouser Part No
634-M8BB50F4GAQFN16R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.463

$0.46

Min.: 3,000
Mult.: 3,000

Reel: 3,000

4 kB

512 B

QFN-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Reel

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F4G-A-SOIC16R
Silicon Labs
2,500: $0.563
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F4G-A-SOIC16R

Mouser Part No
634-M8BB50F4GASIC16R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.563

$0.549

Min.: 2,500
Mult.: 2,500

Reel: 2,500

4 kB

512 B

SOIC-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Reel

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F4I-A-QFN12R
Silicon Labs
3,000: $0.463
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F4I-A-QFN12R

Mouser Part No
634-M8BB50F4IAQFN12R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.463

$0.46

Min.: 3,000
Mult.: 3,000

Reel: 3,000

4 kB

512 B

QFN-12

50 MHz

12 bit

9 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

BB50

Reel

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F4I-A-QFN16
Silicon Labs
1: $0.695
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F4I-A-QFN16

Mouser Part No
634-M8BB50F4IAQFN16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$0.695

$0.596

$0.556

$0.47

View

Min.: 1
Mult.: 1

4 kB

512 B

QFN-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

BB50

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F4I-A-SOIC16R
Silicon Labs
2,500: $0.582
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F4I-A-SOIC16R

Mouser Part No
634-M8BB50F4IASIC16R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.582

$0.567

Min.: 2,500
Mult.: 2,500

Reel: 2,500

4 kB

512 B

SOIC-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

BB50

Reel

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F8G-A-QFN12R
Silicon Labs
3,000: $0.50
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F8G-A-QFN12R

Mouser Part No
634-M8BB50F8GAQFN12R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.50

$0.468

Min.: 3,000
Mult.: 3,000

Reel: 3,000

8 kB

512 B

QFN-12

50 MHz

12 bit

9 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Reel

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F8G-A-QFN16
Silicon Labs
1: $0.751
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F8G-A-QFN16

Mouser Part No
634-M8BB50F8GAQFN16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$0.751

$0.642

$0.598

$0.505

View

Min.: 1
Mult.: 1

8 kB

512 B

QFN-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F8I-A-QFN12
Silicon Labs
1: $0.751
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F8I-A-QFN12

Mouser Part No
634-M8BB50F8IAQFN12

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$0.751

$0.642

$0.598

$0.505

View

Min.: 1
Mult.: 1

8 kB

512 B

QFN-12

50 MHz

12 bit

9 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

BB50

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F8I-A-QFN12R
Silicon Labs
3,000: $0.52
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F8I-A-QFN12R

Mouser Part No
634-M8BB50F8IAQFN12R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.52

Min.: 3,000
Mult.: 3,000

Reel: 3,000

8 kB

512 B

QFN-12

50 MHz

12 bit

9 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

BB50

Reel

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F8I-A-QFN16
Silicon Labs
1: $0.973
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F8I-A-QFN16

Mouser Part No
634-M8BB50F8IAQFN16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$0.973

$0.831

$0.774

$0.653

View

Min.: 1
Mult.: 1

8 kB

512 B

QFN-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

BB50

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F8I-A-SOIC16
Silicon Labs
1: $0.931
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB50F8I-A-SOIC16

Mouser Part No
634-M8BB50F8IASOIC16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$0.931

$0.799

$0.744

$0.664

View

Min.: 1
Mult.: 1

8 kB

512 B

SOIC-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

BB50

Tube

Silicon Labs BB50 Series 8-bit Microcontrollers - MCU

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