8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU
EFM8BB52F16I-C-TSSOP28R
Silicon Labs
1:
$2.00
2,435 In Stock
Mouser Part No 634-EFM852F16ITOP28R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU
2,435 In Stock
Alternative Packaging
1
$2.00
10
$1.28
25
$1.14
100
$0.935
2,500
$0.586
5,000
View
250
$0.816
500
$0.773
1,000
$0.67
5,000
$0.585
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
16 kB
1.28 kB
TSSOP-28
16 I/O
1.8 V
5.5 V
SMD/SMT
- 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:
$3.58
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
$3.58
10
$2.36
25
$2.18
100
$1.90
250
View
250
$1.78
500
$1.56
1,000
$1.33
2,500
$1.29
5,000
$1.25
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
16 kB
2.3 kB
QFP-32
50 MHz
10 bit, 12 bit
28 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Tray
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:
$3.42
630 In Stock
Mouser Part No 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
$3.42
10
$2.25
25
$2.08
100
$1.81
250
View
250
$1.70
500
$1.49
1,000
$1.24
2,450
$1.23
4,900
$1.20
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 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB52F32I-C-QFN20R
Silicon Labs
1:
$1.64
Lead-Time 24 Weeks
Mouser Part No 634-EFM852F32IQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
Lead-Time 24 Weeks
Alternative Packaging
1
$1.64
10
$1.05
25
$0.932
100
$0.767
2,500
$0.485
5,000
View
250
$0.669
500
$0.634
1,000
$0.532
5,000
$0.47
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
16 kB
1.28 kB
QFN-20
16 I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Reel, Cut Tape
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:
$3.84
813 In Stock
Mouser Part No 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
$3.84
10
$2.60
25
$2.41
100
$2.09
250
View
250
$1.96
500
$1.72
1,000
$1.43
5,040
$1.42
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
EFM8LB12F64ES1-C-QFN24R
Silicon Labs
1:
$3.46
5,732 In Stock
Mouser Part No 634-LB12F64ES1CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
5,732 In Stock
Alternative Packaging
1
$3.46
10
$2.83
25
$2.45
100
$2.32
1,500
$1.69
3,000
View
500
$2.06
1,000
$1.79
3,000
$1.68
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 50 MHz 16 kB 8-bit MCU
C8051F413-GMR
Silicon Labs
1:
$14.65
422 In Stock
NRND
Mouser Part No 634-C8051F413-GMR
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
422 In Stock
Alternative Packaging
1
$14.65
10
$11.13
25
$10.67
100
$9.40
250
View
1,500
$7.61
250
$8.94
500
$8.37
1,500
$7.61
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
16 kB
2.31 kB
QFN-28
50 MHz
12 bit
20 I/O
2 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F413
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
C8051F385-GM
Silicon Labs
1:
$6.71
257 In Stock
Mouser Part No 634-C8051F385-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
257 In Stock
Alternative Packaging
1
$6.71
10
$5.57
25
$4.78
100
$4.57
250
View
250
$4.56
500
$4.20
1,000
$3.79
2,500
$3.75
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.35 kB
QFN-32
48 MHz
25 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F385
Tube
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:
$1.74
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
$1.74
10
$1.06
25
$0.889
100
$0.645
200
View
200
$0.582
600
$0.548
5,000
$0.54
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 8051 50 MHz 64 kB 8-bit MCU
C8051F380-GQ
Silicon Labs
1:
$8.05
6,034 In Stock
End of Life
Mouser Part No 634-C8051F380-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
6,034 In Stock
Alternative Packaging
1
$8.05
10
$6.68
25
$5.90
100
$5.63
250
View
250
$5.33
500
$4.94
1,000
$4.48
2,500
$4.36
5,000
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
TQFP-48
48 MHz
10 bit
40 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F380
Tray
8-bit Microcontrollers - MCU USB-Flash-64k-ADC-TQFP48
C8051F380-GQR
Silicon Labs
1:
$7.80
9,063 In Stock
End of Life
Mouser Part No 634-C8051F380-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU USB-Flash-64k-ADC-TQFP48
9,063 In Stock
Alternative Packaging
1
$7.80
10
$6.47
25
$6.02
100
$5.46
500
$4.93
1,000
View
250
$5.18
1,000
$4.48
2,500
$4.36
Buy
Min.: 1 Mult.: 1
Reel :500
Details
8051
64 kB
4.25 kB
TQFP-48
48 MHz
10 bit
40 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F380
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB20F32G-B-QFP48
Silicon Labs
1:
$3.83
7,873 In Stock
End of Life
Mouser Part No 634-EFM8UBF32GBQFP48
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
7,873 In Stock
Alternative Packaging
1
$3.83
10
$3.20
25
$2.97
100
$2.88
250
View
250
$2.73
500
$2.45
1,000
$2.13
2,500
$2.05
5,000
$2.01
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
32 kB
2.25 kB
QFP-48
48 MHz
10 bit
40 I/O
3.3 V
3.3 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB2
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB21F16G-C-QFN20R
Silicon Labs
1:
$1.94
59,467 In Stock
58,500 Expected 08/01/2027
Mouser Part No 634-8BB21F16GCQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
59,467 In Stock
58,500 Expected 08/01/2027
Alternative Packaging
1
$1.94
10
$1.61
25
$1.44
100
$1.19
1,500
$0.956
3,000
View
250
$1.12
500
$1.03
3,000
$0.921
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
16 kB
2.3 kB
QFN-20
50 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8BB2
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-QFN16R
Silicon Labs
1:
$1.66
1,000 In Stock
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 In Stock
Alternative Packaging
1
$1.66
10
$1.06
25
$0.942
100
$0.775
250
View
3,000
$0.469
250
$0.676
500
$0.64
1,000
$0.538
3,000
$0.469
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:
$1.04
607 In Stock
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
607 In Stock
Alternative Packaging
1
$1.04
10
$0.887
25
$0.779
100
$0.693
200
View
200
$0.671
600
$0.589
1,000
$0.529
2,600
$0.454
5,000
$0.415
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 12 GPIO BB5 8-bit MCU
EFM8BB50F16G-A-QFN16
Silicon Labs
1:
$1.01
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
$1.01
10
$0.864
25
$0.804
100
$0.788
200
View
200
$0.642
600
$0.623
1,000
$0.553
2,600
$0.504
5,000
$0.489
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:
$1.20
1,546 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
1,546 In Stock
Alternative Packaging
1
$1.20
10
$1.03
25
$0.954
100
$0.833
250
View
250
$0.761
500
$0.701
1,008
$0.614
2,016
$0.583
5,040
$0.567
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:
$1.24
959 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
959 In Stock
Alternative Packaging
1
$1.24
10
$1.06
25
$0.979
100
$0.873
250
View
250
$0.813
500
$0.738
1,008
$0.685
2,016
$0.627
5,040
$0.603
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:
$0.78
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
$0.78
10
$0.67
25
$0.624
200
$0.589
600
View
600
$0.517
1,000
$0.464
2,600
$0.409
5,000
$0.374
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:
$1.01
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
$1.01
10
$0.864
25
$0.804
100
$0.717
250
View
250
$0.666
500
$0.604
1,008
$0.554
2,016
$0.504
5,040
$0.489
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:
$1.11
995 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
995 In Stock
Alternative Packaging
1
$1.11
10
$0.946
25
$0.83
100
$0.762
250
View
250
$0.709
500
$0.649
1,008
$0.585
2,016
$0.541
5,040
$0.524
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 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB10F2G-A-QFN20R
Silicon Labs
1:
$0.91
15,601 In Stock
Mouser Part No 634-8BB10F2GAQF20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU
15,601 In Stock
Alternative Packaging
1
$0.91
10
$0.762
25
$0.66
100
$0.62
1,500
$0.456
3,000
View
500
$0.54
1,000
$0.498
3,000
$0.417
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
2 kB
256 B
QFN-20
25 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8BB1
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB10F8G-A-QFN20R
Silicon Labs
1:
$0.92
12,671 In Stock
73,500 On Order
Mouser Part No 634-8BB10F8GAQF20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
12,671 In Stock
73,500 On Order
View Dates
Alternative Packaging
Stock:
12,671 Can Dispatch Immediately
On Order:
21,000 Expected 05/11/2026
52,500 Expected 10/11/2026
Factory Lead Time:
12 Weeks
1
$0.92
10
$0.779
100
$0.64
250
$0.598
500
View
1,500
$0.50
500
$0.528
1,000
$0.513
1,500
$0.50
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
8 kB
512 B
QFN-20
25 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8BB1
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
+2 images
EFM8SB10F2G-A-QFN20
Silicon Labs
1:
$1.29
3,429 In Stock
6,300 Expected 09/10/2026
Mouser Part No 634-8SB10F2GAQF20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
3,429 In Stock
6,300 Expected 09/10/2026
Alternative Packaging
1
$1.29
10
$1.10
25
$0.96
100
$0.859
500
View
500
$0.804
1,000
$0.726
2,100
$0.662
4,200
$0.637
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
2 kB
256 B
QFN-20
25 MHz
12 bit
16 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
+2 images
EFM8SB10F2G-A-QFN20R
Silicon Labs
1:
$1.36
6,628 In Stock
9,000 Expected 01/09/2026
Mouser Part No 634-8SB10F2GAQF20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
6,628 In Stock
9,000 Expected 01/09/2026
Alternative Packaging
1
$1.36
10
$1.14
25
$0.98
100
$0.921
1,500
$0.662
3,000
View
250
$0.912
500
$0.807
1,000
$0.736
3,000
$0.637
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
2 kB
256 B
QFN-20
25 MHz
12 bit
16 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
Israel