8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
EFM8LB12F64E-C-QFN24
Silicon Labs
1:
$6.19
13,449 In Stock
Mouser Part #
634-LB12F64ECQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
13,449 In Stock
Alternative Packaging
1
$6.19
10
$4.10
25
$3.73
100
$3.17
250
View
250
$3.00
500
$2.69
1,000
$2.35
2,520
$2.25
5,040
$2.22
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
EFM8LB11F16E-C-QFN24
Silicon Labs
1:
$4.60
2,259 In Stock
Mouser Part #
634-LB11F16ECQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
2,259 In Stock
Alternative Packaging
1
$4.60
10
$3.03
25
$2.81
100
$2.44
250
View
250
$2.29
500
$2.00
1,000
$1.69
2,520
$1.61
5,040
$1.57
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
1.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
8-bit Microcontrollers - MCU
EFM8LB10F16ES1-C-QFN24R
Silicon Labs
1:
$4.13
1,368 In Stock
Mouser Part #
634-LB10F16ES1CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
1,368 In Stock
Alternative Packaging
1
$4.13
10
$2.69
25
$2.47
100
$2.12
1,500
$1.42
3,000
View
250
$1.99
500
$1.74
1,000
$1.47
3,000
$1.37
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
16 kB
1.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Reel, Cut Tape
8-bit Microcontrollers - MCU
EFM8LB12F64ES1-C-QFN24R
Silicon Labs
1:
$6.19
5,732 In Stock
Mouser Part #
634-LB12F64ES1CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
5,732 In Stock
Alternative Packaging
1
$6.19
10
$4.10
25
$3.73
100
$3.17
1,500
$2.25
3,000
View
250
$3.00
500
$2.69
1,000
$2.35
3,000
$2.22
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
64 kB
4.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Reel, Cut Tape
8-bit Microcontrollers - MCU
EFM8LB12F32ES0-C-QFN24R
Silicon Labs
1:
$5.60
1,265 In Stock
Mouser Part #
634-LB12F32ES0CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
1,265 In Stock
Alternative Packaging
1
$5.60
10
$3.71
25
$3.38
100
$2.87
1,500
$2.03
3,000
View
250
$2.73
500
$2.44
1,000
$2.13
3,000
$2.00
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
32 kB
2.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Reel, Cut Tape
8-bit Microcontrollers - MCU
EFM8LB11F32ES0-C-QFN24R
Silicon Labs
1:
$5.16
1,499 In Stock
Mouser Part #
634-LB11F32ES0CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
1,499 In Stock
Alternative Packaging
1
$5.16
10
$3.41
25
$3.11
100
$2.64
1,500
$1.87
3,000
View
250
$2.51
500
$2.25
1,000
$1.96
3,000
$1.85
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
32 kB
2.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Reel, Cut Tape
8-bit Microcontrollers - MCU
EFM8LB12F64ES1-C-QFN24
Silicon Labs
1:
$4.73
1,274 In Stock
Mouser Part #
634-LB12F64ES1CQFN24
Silicon Labs
8-bit Microcontrollers - MCU
1,274 In Stock
Alternative Packaging
1
$4.73
10
$3.42
25
$3.07
100
$2.72
250
View
250
$2.56
500
$2.41
2,520
$2.03
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
EFM8LB12F64E-C-QSOP24
Silicon Labs
1:
$6.55
2,005 In Stock
End of Life
Mouser Part #
634-LB12F64ECQSOP24
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
2,005 In Stock
Alternative Packaging
1
$6.55
10
$4.34
25
$3.95
100
$3.35
250
View
250
$3.19
500
$2.86
1,176
$2.46
2,352
$2.39
5,880
$2.35
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QSOP-24
72 MHz
10 bit/12 bit/14 bit
21 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
EFM8LB10F16E-C-QFN24
Silicon Labs
1:
$4.13
92 In Stock
Mouser Part #
634-LB10F16ECQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
92 In Stock
Alternative Packaging
1
$4.13
10
$2.69
25
$2.47
100
$2.12
250
View
250
$1.99
500
$1.74
1,000
$1.46
2,520
$1.43
5,040
$1.37
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
1.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
EFM8LB10F16E-C-QFN32
Silicon Labs
1:
$4.45
630 In Stock
Mouser Part #
634-LB10F16ECQFN32
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
630 In Stock
Alternative Packaging
1
$4.45
10
$2.93
25
$2.70
100
$2.35
250
View
250
$2.21
500
$1.94
1,000
$1.61
2,450
$1.56
4,900
$1.52
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
1.25 kB
QFN-32
72 MHz
10 bit/12 bit/14 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
EFM8LB11F32E-C-QFN24
Silicon Labs
1:
$4.98
813 In Stock
Mouser Part #
634-LB11F32ECQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
813 In Stock
Alternative Packaging
1
$4.98
10
$3.37
25
$3.12
100
$2.70
250
View
250
$2.54
500
$2.22
1,000
$1.86
2,520
$1.79
5,040
$1.76
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
32 kB
2.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
EFM8LB12F32E-C-QFN24R
Silicon Labs
1:
$5.60
980 In Stock
Mouser Part #
634-LB12F32ECQFN24R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
980 In Stock
Alternative Packaging
1
$5.60
10
$3.71
25
$3.38
100
$2.87
1,500
$2.04
3,000
View
250
$2.73
500
$2.44
1,000
$2.12
3,000
$2.00
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
32 kB
2.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
EFM8LB12F64E-C-QFN24R
Silicon Labs
1:
$6.19
4,091 In Stock
Mouser Part #
634-LB12F64ECQFN24R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
4,091 In Stock
Alternative Packaging
1
$6.19
10
$4.10
25
$3.73
100
$3.17
1,500
$2.26
3,000
View
250
$3.00
500
$2.69
1,000
$2.34
3,000
$2.22
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
64 kB
4.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
EFM8LB12F64E-C-QFN32
Silicon Labs
1:
$6.45
2,603 In Stock
Mouser Part #
634-LB12F64ECQFN32
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
2,603 In Stock
Alternative Packaging
1
$6.45
10
$4.26
25
$3.89
100
$3.30
250
View
250
$3.13
500
$2.81
1,000
$2.43
2,450
$2.35
4,900
$2.31
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QFN-32
72 MHz
10 bit/12 bit/14 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
EFM8LB12F64E-C-QFN32R
Silicon Labs
1:
$6.45
4,862 In Stock
Mouser Part #
634-LB12F64ECQFN32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
4,862 In Stock
Alternative Packaging
1
$6.45
10
$4.26
25
$3.89
100
$3.30
2,500
$2.35
5,000
View
250
$3.13
500
$2.81
1,000
$2.43
5,000
$2.31
Buy
Min.: 1
Mult.: 1
Reel :
2,500
Details
CIP-51 8051
64 kB
4.25 kB
QFN-32
72 MHz
10 bit/12 bit/14 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Reel, Cut Tape
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:
$4.98
134 In Stock
Mouser Part #
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
$4.98
10
$3.37
25
$3.12
100
$2.70
250
View
250
$2.54
500
$2.22
1,000
$1.85
2,500
$1.81
5,000
$1.76
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
1.25 kB
QFP-32
72 MHz
10 bit/12 bit/14 bit
28 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
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:
$5.24
36 In Stock
Mouser Part #
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
$5.24
10
$3.47
25
$3.16
100
$2.68
250
View
250
$2.55
500
$2.29
1,000
$1.98
2,500
$1.92
5,000
$1.89
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
1.25 kB
QFP-32
72 MHz
10 bit/12 bit/14 bit
28 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
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:
$7.29
359 In Stock
10,000 On Order
Mouser Part #
634-LB12F64ECQFP32
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
359 In Stock
10,000 On Order
View Dates
Alternative Packaging
On Order:
5,000 Expected 8/11/2026
5,000 Expected 8/26/2026
Factory Lead-Time:
20 Weeks
1
$7.29
10
$4.82
25
$4.39
100
$3.73
250
View
250
$3.54
500
$3.17
1,000
$2.76
2,500
$2.67
5,000
$2.61
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QFP-32
72 MHz
10 bit/12 bit/14 bit
28 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
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:
$7.31
237 In Stock
500 Expected 1/29/2027
Mouser Part #
634-LB12F64ECQFP32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
237 In Stock
500 Expected 1/29/2027
Alternative Packaging
1
$7.31
10
$4.84
25
$4.41
100
$3.74
500
$3.08
1,000
View
250
$3.64
1,000
$2.76
2,500
$2.67
5,000
$2.61
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
CIP-51 8051
64 kB
4.25 kB
QFP-32
72 MHz
10 bit/12 bit/14 bit
28 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Reel, Cut Tape
8-bit Microcontrollers - MCU
EFM8LB12F64ES1-C-QFN32
Silicon Labs
1:
$6.85
279 In Stock
Mouser Part #
634-LB12F64ES1CQFN32
Silicon Labs
8-bit Microcontrollers - MCU
279 In Stock
Alternative Packaging
1
$6.85
10
$4.54
25
$4.13
100
$3.51
250
View
250
$3.33
500
$2.99
1,000
$2.60
2,450
$2.51
4,900
$2.46
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QFN-32
72 MHz
10 bit/12 bit/14 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
EFM8LB10F16E-C-QSOP24
Silicon Labs
1:
$4.39
53 In Stock
End of Life
Mouser Part #
634-LB10F16ECQSOP24
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
53 In Stock
Alternative Packaging
1
$4.39
10
$2.90
25
$2.68
100
$2.33
250
View
250
$2.18
500
$1.91
1,176
$1.60
2,352
$1.55
5,880
$1.50
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
1.25 kB
QSOP-24
72 MHz
10 bit/12 bit/14 bit
21 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
EFM8LB11F16E-C-QSOP24
Silicon Labs
1:
$4.63
52 In Stock
End of Life
Mouser Part #
634-LB11F16ECQSOP24
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
52 In Stock
Alternative Packaging
1
$4.63
10
$3.13
25
$2.90
100
$2.52
250
View
250
$2.37
500
$2.08
1,176
$1.72
2,352
$1.68
5,880
$1.63
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
1.25 kB
QSOP-24
72 MHz
10 bit/12 bit/14 bit
21 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
EFM8LB11F32E-C-QFN24R
Silicon Labs
1:
$4.98
12 In Stock
Mouser Part #
634-LB11F32ECQFN24R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
12 In Stock
Alternative Packaging
1
$4.98
10
$3.37
25
$3.12
100
$2.70
1,500
$1.81
3,000
View
250
$2.54
500
$2.22
1,000
$1.85
3,000
$1.76
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
32 kB
2.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
EFM8LB12F32E-C-QFN24
Silicon Labs
1:
$5.29
257 In Stock
Mouser Part #
634-LB12F32ECQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
257 In Stock
Alternative Packaging
1
$5.29
10
$3.50
25
$3.19
100
$2.70
250
View
250
$2.57
500
$2.30
1,000
$2.00
2,520
$1.94
5,040
$1.90
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
32 kB
2.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
8-bit Microcontrollers - MCU
EFM8LB11F16ES0-C-QFN24R
Silicon Labs
1:
$4.60
1,500 Expected 7/30/2026
Mouser Part #
634-LB11F16ES0CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
1,500 Expected 7/30/2026
Alternative Packaging
1
$4.60
10
$3.03
25
$2.81
100
$2.44
1,500
$1.61
3,000
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250
$2.29
500
$2.00
1,000
$1.68
3,000
$1.57
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
16 kB
1.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Reel, Cut Tape