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:
$4.93
Non-Stocked Lead-Time 12 Weeks
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
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
$4.93
10
$3.26
25
$2.97
100
$2.53
250
View
250
$2.40
500
$2.15
1,000
$1.86
2,500
$1.80
5,000
$1.76
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 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64G-D-QFP32
Silicon Labs
1:
$2.75
5,975 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
5,975 In Stock
Alternative Packaging
1
$2.75
10
$2.31
25
$2.14
100
$1.92
250
View
250
$1.80
500
$1.72
1,000
$1.67
2,500
$1.59
5,000
$1.55
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:
$3.60
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
$3.60
10
$2.44
25
$2.26
100
$1.96
500
$1.60
1,000
View
250
$1.84
1,000
$1.35
2,500
$1.34
5,000
$1.32
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:
$3.38
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
$3.38
10
$2.23
25
$2.06
100
$1.79
250
View
250
$1.68
500
$1.47
1,000
$1.25
2,500
$1.22
5,000
$1.20
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 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64G-D-QFP32R
Silicon Labs
1:
$4.35
9,797 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
9,797 In Stock
Alternative Packaging
1
$4.35
10
$2.88
25
$2.62
100
$2.23
500
$1.89
1,000
View
250
$2.12
1,000
$1.77
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
ARM Microcontrollers - MCU MCU RA2 ARM CM23 48MHz 256K/32K QFP32
R7FA2A1AB3CFJ#AA0
Renesas Electronics
1:
$5.89
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
$5.89
10
$4.51
25
$4.16
100
$3.78
250
View
250
$3.59
1,000
$3.39
2,500
$3.30
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 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB10F16E-C-QFP32
Silicon Labs
1:
$3.84
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
$3.84
10
$2.60
25
$2.41
100
$2.09
250
View
250
$1.96
500
$1.72
1,000
$1.45
2,500
$1.43
5,000
$1.40
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:
$4.04
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
$4.04
10
$2.68
25
$2.44
100
$2.07
250
View
250
$1.97
500
$1.77
1,000
$1.57
2,500
$1.53
5,000
$1.52
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 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB12F64E-C-QFP32
Silicon Labs
1:
$3.49
509 In Stock
10,000 On Order
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
509 In Stock
10,000 On Order
View Dates
Alternative Packaging
Stock:
509 Can Dispatch Immediately
On Order:
5,000 Expected 11/08/2026
5,000 Expected 26/08/2026
Factory Lead Time:
12 Weeks
1
$3.49
10
$2.92
25
$2.71
100
$2.43
250
View
250
$2.28
500
$2.19
1,000
$2.11
2,500
$2.01
5,000
$1.95
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
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:
$3.79
240 In Stock
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
240 In Stock
Alternative Packaging
1
$3.79
10
$3.10
25
$2.85
100
$2.54
500
$2.18
1,000
View
250
$2.37
1,000
$2.05
2,500
$1.98
5,000
$1.95
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 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16G-D-QFP32
Silicon Labs
1:
$1.83
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
$1.83
10
$1.55
25
$1.44
100
$1.28
250
View
250
$1.20
500
$1.17
1,000
$1.15
2,500
$1.12
5,000
$1.10
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 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64I-D-QFP32
Silicon Labs
1:
$4.74
5 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
5 In Stock
Alternative Packaging
1
$4.74
10
$3.13
25
$2.86
100
$2.43
250
View
250
$2.30
500
$2.07
1,000
$1.89
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 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16I-D-QFP32R
Silicon Labs
1:
$3.38
Non-Stocked Lead-Time 12 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 12 Weeks
Alternative Packaging
1
$3.38
10
$2.23
25
$2.06
100
$1.79
500
$1.26
1,000
View
250
$1.68
1,000
$1.24
2,500
$1.22
5,000
$1.20
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:
$3.60
Non-Stocked Lead-Time 12 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 12 Weeks
Alternative Packaging
1
$3.60
10
$2.44
25
$2.26
100
$1.96
250
View
250
$1.84
500
$1.61
1,000
$1.36
2,500
$1.34
5,000
$1.32
Buy
Min.: 1
Mult.: 1
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:
$3.84
Non-Stocked Lead-Time 12 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 12 Weeks
Alternative Packaging
1
$3.84
10
$2.60
25
$2.41
100
$2.09
500
$1.48
1,000
View
250
$1.96
1,000
$1.44
2,500
$1.43
5,000
$1.40
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:
$4.04
Non-Stocked Lead-Time 12 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 12 Weeks
Alternative Packaging
1
$4.04
10
$2.68
25
$2.44
100
$2.07
500
$1.60
1,000
View
250
$1.97
1,000
$1.56
2,500
$1.53
5,000
$1.52
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:
$1.76
Non-Stocked Lead-Time 12 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 12 Weeks
Alternative Packaging
1,250
$1.76
2,500
$1.72
5,000
$1.70
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:
$1.80
Non-Stocked Lead-Time 12 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 12 Weeks
Alternative Packaging
500
$1.80
1,000
$1.75
2,500
$1.72
5,000
$1.70
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:
$1.95
Non-Stocked Lead-Time 12 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 12 Weeks
Alternative Packaging
500
$1.95
1,000
$1.90
2,500
$1.87
5,000
$1.85
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 USB, 64kB/4352B RAM, 10b Diff-ADC
+1 image
EFM8UB20F64G-A-QFP32R
Silicon Labs
500:
$1.65
Non-Stocked
Mouser Part No
634-8UB20F64GAQFP32R
Silicon Labs
8-bit Microcontrollers - MCU USB, 64kB/4352B RAM, 10b Diff-ADC
Non-Stocked
500
$1.65
1,000
$1.48
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 MCU 8051 50MHz 8kB 5V
+1 image
C8051F545-IQ
Silicon Labs
1:
$8.78
N/A
End of Life
Mouser Part No
634-C8051F545-IQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU MCU 8051 50MHz 8kB 5V
N/A
Alternative Packaging
1
$8.78
10
$7.28
25
$6.77
100
$6.15
250
View
250
$5.83
500
$5.63
2,500
Quote
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFP-32
8051
8 kB
8 bit
12 bit
50 MHz
25 I/O
1.25 kB
1.8 V
5.25 V
- 40 C
+ 125 C
AEC-Q100
Tray
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:
$3.19
Non-Stocked Lead-Time 26 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 26 Weeks
Alternative Packaging
1
$3.19
10
$2.08
25
$1.91
100
$1.64
250
$1.54
500
$1.17
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
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F32I-D-QFP32R
Silicon Labs
1:
$3.89
Non-Stocked Lead-Time 26 Weeks
End of Life
Mouser Part No
634-EF8BB31F32IDP32R
End of Life
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 26 Weeks
Alternative Packaging
1
$3.89
10
$2.57
25
$2.35
100
$1.99
250
$1.89
500
$1.55
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
+ 125 C
Reel, Cut Tape