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:
$2.72
10,835 In Stock
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
10,835 In Stock
Alternative Packaging
1
$2.72
10
$1.66
25
$1.40
100
$1.05
200
View
200
$0.911
600
$0.798
1,000
$0.718
2,600
$0.615
5,000
$0.563
Buy
Min.: 1
Mult.: 1
Details
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 12 GPIO BB5 8-bit MCU
EFM8BB50F16G-A-QFN16
Silicon Labs
1:
$2.26
973 In Stock
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
973 In Stock
Alternative Packaging
1
$2.26
10
$1.44
25
$1.28
100
$1.05
200
View
200
$0.918
600
$0.869
1,000
$0.73
2,600
$0.666
5,000
$0.646
Buy
Min.: 1
Mult.: 1
Details
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 12 GPIO BB5 8-bit MCU
EFM8BB50F16G-A-SOIC16
Silicon Labs
1:
$2.72
1,548 In Stock
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
1,548 In Stock
Alternative Packaging
1
$2.72
10
$1.74
25
$1.55
100
$1.05
250
View
250
$0.925
500
$0.88
1,008
$0.751
2,016
$0.691
5,040
$0.668
Buy
Min.: 1
Mult.: 1
Details
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:
$2.79
961 In Stock
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
961 In Stock
Alternative Packaging
1
$2.79
10
$1.78
25
$1.59
100
$1.31
250
View
250
$1.14
500
$1.08
1,008
$0.908
2,016
$0.828
5,040
$0.797
Buy
Min.: 1
Mult.: 1
Details
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 9 GPIO BB5 8-bit MCU
EFM8BB50F4G-A-QFN12
Silicon Labs
1:
$2.39
706 In Stock
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
706 In Stock
Alternative Packaging
1
$2.39
10
$1.46
25
$1.22
100
$0.928
200
View
200
$0.801
600
$0.703
1,000
$0.631
2,600
$0.541
5,000
$0.495
Buy
Min.: 1
Mult.: 1
Details
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
EFM8BB50F4I-A-SOIC16
Silicon Labs
1:
$2.26
663 In Stock
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
663 In Stock
Alternative Packaging
1
$2.26
10
$1.44
25
$1.28
100
$1.05
250
View
250
$0.919
500
$0.87
1,008
$0.732
2,016
$0.666
5,040
$0.646
Buy
Min.: 1
Mult.: 1
Details
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 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F8G-A-SOIC16
Silicon Labs
1:
$2.49
1,005 In Stock
Mouser Part No
634-M8BB50F8GASOIC16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
1,005 In Stock
Alternative Packaging
1
$2.49
10
$1.59
25
$1.41
100
$1.16
250
View
250
$1.01
500
$0.962
1,008
$0.808
2,016
$0.736
5,040
$0.713
Buy
Min.: 1
Mult.: 1
Details
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
+ 85 C
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:
$2.26
200 In Stock
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
200 In Stock
Alternative Packaging
1
$2.26
10
$1.44
25
$1.28
100
$1.05
200
View
200
$0.918
600
$0.869
1,000
$0.73
2,600
$0.666
5,000
$0.646
Buy
Min.: 1
Mult.: 1
Details
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:
$2.33
96 In Stock
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
96 In Stock
Alternative Packaging
1
$2.33
10
$1.50
25
$1.08
100
$0.902
200
View
200
$0.793
600
$0.755
1,000
$0.643
2,600
$0.593
5,000
$0.577
Buy
Min.: 1
Mult.: 1
Details
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 12 GPIO BB5 8-bit MCU
EFM8BB50F4G-A-QFN16
Silicon Labs
1:
$2.50
356 In Stock
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
356 In Stock
Alternative Packaging
1
$2.50
10
$1.52
25
$1.28
100
$0.97
200
View
200
$0.838
600
$0.734
1,000
$0.66
2,600
$0.566
5,000
$0.517
Buy
Min.: 1
Mult.: 1
Details
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:
$2.26
1,000 Expected 29/7/2026
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
1,000 Expected 29/7/2026
Alternative Packaging
1
$2.26
10
$1.44
25
$1.28
100
$1.05
250
View
3,000
$0.62
250
$0.919
500
$0.87
1,000
$0.732
3,000
$0.62
Buy
Min.: 1
Mult.: 1
Reel :
3,000
Details
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 9 GPIO BB5 8-bit MCU
EFM8BB50F16G-A-QFN12
Silicon Labs
1:
$2.18
1,207 On Order
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
1,207 On Order
View Dates
Alternative Packaging
On Order:
407 Pending
800 Expected 4/8/2026
Factory Lead Time:
12 Weeks
1
$2.18
10
$1.39
25
$1.01
100
$0.861
200
View
200
$0.86
600
$0.839
1,000
$0.706
2,600
$0.554
5,000
$0.537
Buy
Min.: 1
Mult.: 1
Details
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 9 GPIO BB5 8-bit MCU
EFM8BB50F16G-A-QFN12R
Silicon Labs
3,000:
$0.598
Non-Stocked Lead-Time 12 Weeks
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
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
3,000
$0.598
6,000
$0.548
Buy
Min.: 3,000
Mult.: 3,000
Reel :
3,000
Details
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:
$0.70
Non-Stocked Lead-Time 12 Weeks
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
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
Buy
Min.: 2,500
Mult.: 2,500
Reel :
2,500
Details
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 9 GPIO BB5 8-bit MCU
EFM8BB50F16I-A-QFN12R
Silicon Labs
1:
$2.72
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F16IAFN12R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
$2.72
10
$1.66
25
$1.40
100
$1.06
3,000
$0.62
6,000
View
250
$0.919
500
$0.806
1,000
$0.724
6,000
$0.567
Buy
Min.: 1
Mult.: 1
Reel :
3,000
Details
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
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
EFM8BB50F16I-A-QFN16R
Silicon Labs
3,000:
$0.60
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F16IAFN16R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
Buy
Min.: 3,000
Mult.: 3,000
Reel :
3,000
Details
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
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:
$0.719
Non-Stocked Lead-Time 12 Weeks
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
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
2,500
$0.719
5,000
$0.698
Buy
Min.: 2,500
Mult.: 2,500
Reel :
2,500
Details
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 9 GPIO BB5 8-bit MCU
EFM8BB50F4G-A-QFN12R
Silicon Labs
3,000:
$0.471
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F4GAQFN12R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
Buy
Min.: 3,000
Mult.: 3,000
Reel :
3,000
Details
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
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:
$0.492
Non-Stocked Lead-Time 12 Weeks
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
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
Buy
Min.: 3,000
Mult.: 3,000
Reel :
3,000
Details
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:
$0.598
Non-Stocked Lead-Time 12 Weeks
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
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
2,500
$0.598
5,000
$0.548
Buy
Min.: 2,500
Mult.: 2,500
Reel :
2,500
Details
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 12 GPIO BB5 8-bit MCU
EFM8BB50F4G-A-SOIC16
Silicon Labs
1:
$2.64
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F4GASOIC16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
$2.64
10
$1.60
25
$1.35
100
$1.03
250
View
250
$0.887
500
$0.778
1,008
$0.699
2,016
$0.598
5,040
$0.548
Buy
Min.: 1
Mult.: 1
Details
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
Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
EFM8BB50F4I-A-QFN12
Silicon Labs
1:
$2.16
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F4IAQFN12
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
$2.16
10
$1.32
25
$1.11
100
$0.842
200
View
200
$0.729
600
$0.639
1,000
$0.574
2,600
$0.492
5,000
$0.45
Buy
Min.: 1
Mult.: 1
Details
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
Cut Tape
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:
$0.492
Non-Stocked Lead-Time 12 Weeks
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
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
Buy
Min.: 3,000
Mult.: 3,000
Reel :
3,000
Details
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:
$2.26
Non-Stocked Lead-Time 12 Weeks
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
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
$2.26
10
$1.37
25
$1.16
100
$0.879
200
View
200
$0.76
600
$0.666
1,000
$0.598
2,600
$0.513
5,000
$0.469
Buy
Min.: 1
Mult.: 1
Details
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-QFN16R
Silicon Labs
3,000:
$0.513
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F4IAQFN16R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
3,000
$0.513
6,000
$0.469
Buy
Min.: 3,000
Mult.: 3,000
Reel :
3,000
Details
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
Reel