8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64G-D-QFP32R
Silicon Labs
1:
$3.07
9,665 In Stock
Mouser Part No
634-EF8BB31F64GDP32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
9,665 In Stock
Alternative Packaging
1
$3.07
10
$2.29
25
$2.09
100
$1.88
500
$1.62
1,000
View
250
$1.77
1,000
$1.58
2,500
$1.56
5,000
$1.54
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
SMD/SMT
QFP-32
CIP-51 8051
64 kB
8 bit
10 bit, 12 bit
50 MHz
28 I/O
4.35 kB
2.2 V
3.6 V
- 40 C
+ 85 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64G-D-QFP32
Silicon Labs
1:
$3.00
5,845 In Stock
Mouser Part No
634-EF8BB31F64GDQP32
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
5,845 In Stock
Alternative Packaging
1
$3.00
10
$2.29
25
$2.09
100
$1.88
250
View
250
$1.77
500
$1.73
1,000
$1.65
2,500
$1.54
5,000
$1.52
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFP-32
CIP-51 8051
64 kB
8 bit
10 bit, 12 bit
50 MHz
28 I/O
4.35 kB
2.2 V
3.6 V
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F32G-D-QFP32R
Silicon Labs
1:
$2.50
502 In Stock
Mouser Part No
634-EF8BB31F32GDP32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
502 In Stock
Alternative Packaging
1
$2.50
10
$1.86
25
$1.70
100
$1.57
500
$1.57
1,000
View
1,000
$1.41
2,500
$1.40
5,000
$1.38
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
SMD/SMT
QFP-32
CIP-51 8051
32 kB
8 bit
10 bit, 12 bit
50 MHz
28 I/O
2.3 kB
2.2 V
3.6 V
- 40 C
+ 85 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16I-D-QFP32
Silicon Labs
1:
$2.31
16 In Stock
Mouser Part No
634-EF8BB31F16IDQP32
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
16 In Stock
Alternative Packaging
1
$2.31
10
$1.71
25
$1.56
100
$1.39
250
View
250
$1.32
500
$1.28
2,500
$1.26
5,000
$1.24
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFP-32
CIP-51 8051
16 kB
8 bit
10 bit, 12 bit
50 MHz
28 I/O
2.3 kB
2.2 V
3.6 V
- 40 C
+ 125 C
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB12F64E-C-QFP32
Silicon Labs
1:
$3.83
4,580 In Stock
6,250 Expected 12/03/2027
Mouser Part No
634-LB12F64ECQFP32
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
4,580 In Stock
6,250 Expected 12/03/2027
Alternative Packaging
1
$3.83
10
$3.20
25
$2.81
100
$2.67
250
View
250
$2.50
500
$2.40
1,000
$2.19
2,500
$2.12
5,000
$2.07
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFP-32
CIP-51 8051
64 kB
8 bit
10 bit/12 bit/14 bit
72 MHz
28 I/O
4.25 kB
2.2 V
3.6 V
- 40 C
+ 105 C
Tray
ARM Microcontrollers - MCU MCU RA2 ARM CM23 48MHz 256K/32K QFP32
R7FA2A1AB3CFJ#AA0
Renesas Electronics
1:
$6.11
935 In Stock
Mouser Part No
968-7FA2A1AB3CFJ#AA0
Renesas Electronics
ARM Microcontrollers - MCU MCU RA2 ARM CM23 48MHz 256K/32K QFP32
935 In Stock
Alternative Packaging
1
$6.11
10
$4.68
25
$4.11
100
$3.93
250
View
250
$3.73
500
$3.62
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFP-32
ARM Cortex M23
256 kB
32 bit
16 bit, 24 bit
48 MHz
18 I/O
32 kB
1.6 V
5.5 V
- 40 C
+ 105 C
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16G-D-QFP32
Silicon Labs
1:
$2.10
1,070 In Stock
End of Life
Mouser Part No
634-EF8BB31F16GDQP32
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
1,070 In Stock
Alternative Packaging
1
$2.10
10
$1.67
25
$1.53
100
$1.37
250
View
250
$1.28
500
$1.23
1,000
$1.18
2,500
$1.16
5,000
$1.13
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFP-32
CIP-51 8051
16 kB
8 bit
10 bit, 12 bit
50 MHz
28 I/O
2.3 kB
2.2 V
3.6 V
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB10F16E-C-QFP32
Silicon Labs
1:
$2.67
134 In Stock
Mouser Part No
634-LB10F16ECQFP32
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
134 In Stock
Alternative Packaging
1
$2.67
10
$1.98
25
$1.81
100
$1.62
250
View
250
$1.53
500
$1.48
1,000
$1.46
2,500
$1.44
5,000
$1.42
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFP-32
CIP-51 8051
16 kB
8 bit
10 bit/12 bit/14 bit
72 MHz
28 I/O
1.25 kB
2.2 V
3.6 V
- 40 C
+ 105 C
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB11F16E-C-QFP32
Silicon Labs
1:
$2.85
36 In Stock
Mouser Part No
634-LB11F16ECQFP32
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
36 In Stock
Alternative Packaging
1
$2.85
10
$2.12
25
$1.94
100
$1.74
250
View
250
$1.65
500
$1.61
1,000
$1.58
2,500
$1.55
5,000
$1.53
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFP-32
CIP-51 8051
16 kB
8 bit
10 bit/12 bit/14 bit
72 MHz
28 I/O
1.25 kB
2.2 V
3.6 V
- 40 C
+ 105 C
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64I-D-QFP32
Silicon Labs
1:
$3.34
10 In Stock
End of Life
Mouser Part No
634-EF8BB31F64IDQP32
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
10 In Stock
Alternative Packaging
1
$3.34
10
$2.49
25
$2.28
100
$2.04
250
$2.01
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFP-32
CIP-51 8051
64 kB
8 bit
10 bit, 12 bit
50 MHz
28 I/O
4.35 kB
2.2 V
3.6 V
- 40 C
+ 125 C
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB12F32E-C-QFP32
Silicon Labs
1:
$3.47
1,043 Expected 02/10/2026
Mouser Part No
634-LB12F32ECQFP32
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
1,043 Expected 02/10/2026
Alternative Packaging
1
$3.47
10
$2.59
25
$2.37
100
$2.12
250
View
250
$2.01
500
$1.96
1,000
$1.92
2,500
$1.88
5,000
$1.87
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFP-32
CIP-51 8051
32 kB
8 bit
10 bit/12 bit/14 bit
72 MHz
28 I/O
2.25 kB
2.2 V
3.6 V
- 40 C
+ 105 C
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB12F64E-C-QFP32R
Silicon Labs
1:
$3.96
500 Expected 02/10/2026
Mouser Part No
634-LB12F64ECQFP32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
500 Expected 02/10/2026
Alternative Packaging
1
$3.96
10
$2.95
25
$2.70
100
$2.42
500
$2.23
1,000
View
250
$2.29
1,000
$2.12
2,500
$2.05
5,000
$2.01
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
SMD/SMT
QFP-32
CIP-51 8051
64 kB
8 bit
10 bit/12 bit/14 bit
72 MHz
28 I/O
4.25 kB
2.2 V
3.6 V
- 40 C
+ 105 C
Reel, Cut Tape
8-bit Microcontrollers - MCU USB, 64kB/4352B RAM, 10b Diff-ADC
+1 image
EFM8UB20F64G-A-QFP32R
Silicon Labs
500:
$1.44
Non-Stocked
Mouser Part No
634-8UB20F64GAQFP32R
Silicon Labs
8-bit Microcontrollers - MCU USB, 64kB/4352B RAM, 10b Diff-ADC
Non-Stocked
500
$1.44
2,500
$1.43
5,000
$1.41
Buy
Min.: 500
Mult.: 500
Reel :
500
Details
SMD/SMT
QFP-32
Reel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16I-D-QFP32R
Silicon Labs
1:
$2.31
Non-Stocked Lead-Time 16 Weeks
Mouser Part No
634-EF8BB31F16IDP32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 16 Weeks
Alternative Packaging
1
$2.31
10
$1.71
25
$1.56
100
$1.39
500
$1.32
1,000
View
250
$1.33
1,000
$1.30
2,500
$1.28
5,000
$1.26
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
SMD/SMT
QFP-32
CIP-51 8051
16 kB
8 bit
10 bit, 12 bit
50 MHz
28 I/O
2.3 kB
2.2 V
3.6 V
- 40 C
+ 125 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F32G-D-QFP32
Silicon Labs
1,250:
$1.39
Non-Stocked Lead-Time 16 Weeks
Mouser Part No
634-EF8BB31F32GDQP32
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 16 Weeks
Alternative Packaging
1,250
$1.39
2,500
$1.38
5,000
$1.35
Buy
Min.: 1,250
Mult.: 1,250
Details
SMD/SMT
QFP-32
CIP-51 8051
32 kB
8 bit
10 bit, 12 bit
50 MHz
28 I/O
2.3 kB
2.2 V
3.6 V
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB10F16E-C-QFP32R
Silicon Labs
1:
$2.67
Non-Stocked Lead-Time 20 Weeks
Mouser Part No
634-LB10F16ECQFP32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Non-Stocked Lead-Time 20 Weeks
Alternative Packaging
1
$2.67
10
$1.98
25
$1.81
100
$1.62
500
$1.53
1,000
View
250
$1.54
1,000
$1.51
2,500
$1.50
5,000
$1.48
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
SMD/SMT
QFP-32
CIP-51 8051
16 kB
8 bit
10 bit/12 bit/14 bit
72 MHz
28 I/O
1.25 kB
2.2 V
3.6 V
- 40 C
+ 105 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB11F16E-C-QFP32R
Silicon Labs
1:
$2.85
Non-Stocked Lead-Time 20 Weeks
Mouser Part No
634-LB11F16ECQFP32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Non-Stocked Lead-Time 20 Weeks
Alternative Packaging
1
$2.85
10
$2.12
25
$1.94
100
$1.74
500
$1.66
1,000
View
250
$1.67
1,000
$1.61
2,500
$1.59
5,000
$1.57
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
SMD/SMT
QFP-32
CIP-51 8051
16 kB
8 bit
10 bit/12 bit/14 bit
72 MHz
28 I/O
1.25 kB
2.2 V
3.6 V
- 40 C
+ 105 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB11F32E-C-QFP32
Silicon Labs
1,250:
$1.81
Non-Stocked Lead-Time 20 Weeks
Mouser Part No
634-LB11F32ECQFP32
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
Non-Stocked Lead-Time 20 Weeks
Alternative Packaging
1,250
$1.81
2,500
$1.77
5,000
$1.75
Buy
Min.: 1,250
Mult.: 1,250
Details
SMD/SMT
QFP-32
CIP-51 8051
32 kB
8 bit
10 bit/12 bit/14 bit
72 MHz
28 I/O
2.25 kB
2.2 V
3.6 V
- 40 C
+ 105 C
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB11F32E-C-QFP32R
Silicon Labs
500:
$1.86
Non-Stocked Lead-Time 20 Weeks
Mouser Part No
634-LB11F32ECQFP32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
Non-Stocked Lead-Time 20 Weeks
Alternative Packaging
500
$1.86
1,000
$1.82
2,500
$1.79
5,000
$1.77
Buy
Min.: 500
Mult.: 500
Reel :
500
Details
SMD/SMT
QFP-32
CIP-51 8051
32 kB
8 bit
10 bit/12 bit/14 bit
72 MHz
28 I/O
2.25 kB
2.2 V
3.6 V
- 40 C
+ 105 C
Reel
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB12F32E-C-QFP32R
Silicon Labs
500:
$2.01
Non-Stocked Lead-Time 20 Weeks
Mouser Part No
634-LB12F32ECQFP32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
Non-Stocked Lead-Time 20 Weeks
Alternative Packaging
500
$2.01
1,000
$1.96
2,500
$1.93
5,000
$1.91
Buy
Min.: 500
Mult.: 500
Reel :
500
Details
SMD/SMT
QFP-32
CIP-51 8051
32 kB
8 bit
10 bit/12 bit/14 bit
72 MHz
28 I/O
2.25 kB
2.2 V
3.6 V
- 40 C
+ 105 C
Reel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16G-D-QFP32R
Silicon Labs
1:
$2.14
Non-Stocked Lead-Time 30 Weeks
End of Life
Mouser Part No
634-EF8BB31F16GDP32R
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 30 Weeks
Alternative Packaging
1
$2.14
10
$1.58
25
$1.44
100
$1.31
500
$1.31
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
SMD/SMT
QFP-32
CIP-51 8051
16 kB
8 bit
10 bit, 12 bit
50 MHz
28 I/O
2.3 kB
2.2 V
3.6 V
- 40 C
+ 85 C
Reel, Cut Tape