8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
EFM8UB20F64G-B-QFP32
Silicon Labs
1:
$5.36
2,068 In Stock
End of Life
Mouser Part No 634-EFM8UBF64GBQFP32
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
2,068 In Stock
Alternative Packaging
1
$5.36
10
$3.66
25
$2.99
250
$2.59
500
View
500
$2.39
1,000
$2.15
2,500
$1.90
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QFP-32
48 MHz
10 bit
25 I/O
3.3 V
3.3 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB2
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB10F4G-A-QFN20
Silicon Labs
1:
$0.86
243 In Stock
Mouser Part No 634-8BB10F4GAQF20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU
243 In Stock
Alternative Packaging
1
$0.86
10
$0.739
25
$0.687
250
$0.665
500
View
500
$0.534
1,000
$0.487
4,000
$0.476
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
4 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
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB10F8G-A-QFN20
Silicon Labs
1:
$1.01
151 In Stock
Mouser Part No 634-8BB10F8GAQF20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
151 In Stock
Alternative Packaging
1
$1.01
10
$0.858
25
$0.797
100
$0.701
250
View
250
$0.644
500
$0.621
1,000
$0.567
4,000
$0.546
Buy
Min.: 1 Mult.: 1
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
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
+4 images
EFM8BB10F8G-A-SOIC16
Silicon Labs
1:
$1.01
1,491 In Stock
Mouser Part No 634-8BB10F8GASO16
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
1,491 In Stock
Alternative Packaging
1
$1.01
10
$0.858
25
$0.755
100
$0.691
250
View
250
$0.655
500
$0.626
1,008
$0.567
4,032
$0.546
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
8 kB
512 B
SOIC-16
25 MHz
12 bit
13 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8BB1
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
EFM8BB10F8I-A-SOIC16
Silicon Labs
1:
$1.12
1,289 In Stock
1,008 Expected 03/04/2026
Mouser Part No 634-8BB10F8I-ASOIC16
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
1,289 In Stock
1,008 Expected 03/04/2026
Alternative Packaging
1
$1.12
10
$0.955
25
$0.841
500
$0.838
1,008
View
1,008
$0.726
4,032
$0.611
8,064
$0.601
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
8 kB
512 B
SOIC-16
25 MHz
12 bit
13 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB1
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
EFM8SB10F8G-A-CSP16
Silicon Labs
1:
$1.63
938 In Stock
Mouser Part No 634-8SB10F8G-A-CSP16
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
938 In Stock
Alternative Packaging
1
$1.63
10
$1.38
25
$1.28
100
$1.14
200
View
200
$1.02
1,000
$0.933
2,600
$0.922
5,000
$0.893
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
8 kB
512 B
CSP-16
25 MHz
12 bit
13 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
+2 images
EFM8SB10F8G-A-CSP16R
Silicon Labs
1:
$1.63
610 In Stock
2,500 Expected 01/05/2026
Mouser Part No 634-8SB10F8GA-CSP16R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
610 In Stock
2,500 Expected 01/05/2026
Alternative Packaging
1
$1.63
10
$1.38
25
$1.28
100
$1.14
2,500
$0.922
5,000
View
250
$1.07
500
$1.02
1,000
$0.971
5,000
$0.893
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
8 kB
256 B
CSP-16
25 MHz
12 bit
13 I/O
3.6 V
2.2 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU
C8051F351-GMR
Silicon Labs
1:
$13.11
127 In Stock
Mouser Part No 634-C8051F351-GMR
Silicon Labs
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU
127 In Stock
Alternative Packaging
1
$13.11
10
$10.87
25
$10.15
100
$9.27
250
View
1,500
$8.05
250
$8.83
500
$8.55
1,000
$8.05
1,500
$8.05
Buy
Min.: 1 Mult.: 1
Details
8051
8 kB
768 B
QFN-28
50 MHz
24 bit
17 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F351
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU
C8051F353-GMR
Silicon Labs
1:
$10.21
228 In Stock
Mouser Part No 634-C8051F353-GMR
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU
228 In Stock
Alternative Packaging
1
$10.21
10
$8.46
25
$7.89
100
$7.18
250
View
1,500
$6.30
250
$6.82
500
$6.59
1,000
$6.31
1,500
$6.30
Buy
Min.: 1 Mult.: 1
Details
8051
8 kB
768 B
QFN-28
50 MHz
16 bit
17 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F353
Reel, Cut Tape
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24
C8051F390-A-GMR
Silicon Labs
1:
$5.08
113 In Stock
Mouser Part No 634-C8051F390-A-GMR
Silicon Labs
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24
113 In Stock
Alternative Packaging
1
$5.08
10
$4.32
250
$3.40
500
$3.08
1,000
$2.23
1,500
$2.19
Buy
Min.: 1 Mult.: 1
Details
8051
16 kB
1 kB
QFN-24
50 MHz
10 bit
21 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
C8051F390
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20
C8051F392-A-GMR
Silicon Labs
1:
$4.31
217 In Stock
Mouser Part No 634-C8051F392-A-GMR
Silicon Labs
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20
217 In Stock
Alternative Packaging
1
$4.31
10
$3.59
25
$3.33
100
$3.00
1,500
$2.05
3,000
View
250
$2.82
500
$2.25
1,000
$2.13
3,000
$2.02
Buy
Min.: 1 Mult.: 1
Details
8051
16 kB
1 kB
QFN-20
50 MHz
10 bit
17 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
C8051F392
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, LQFP32
+1 image
C8051F920-G-GQ
Silicon Labs
1:
$4.42
294 In Stock
Mouser Part No 634-C8051F920-G-GQ
Silicon Labs
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, LQFP32
294 In Stock
Alternative Packaging
1
$4.42
10
$3.68
25
$3.42
100
$3.08
250
View
250
$2.90
500
$2.78
1,000
$2.69
2,500
$2.57
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
4.25 kB
LQFP-32
25 MHz
10 bit
24 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, LQFP32
+1 image
C8051F920-G-GQR
Silicon Labs
1:
$4.42
332 In Stock
Mouser Part No 634-C8051F920-G-GQR
Silicon Labs
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, LQFP32
332 In Stock
Alternative Packaging
1
$4.42
10
$3.68
25
$3.42
100
$3.08
500
$2.77
1,000
View
250
$2.90
1,000
$2.63
2,500
$2.54
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
4.25 kB
LQFP-32
25 MHz
10 bit
24 I/O
900 mV
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
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
1,175 In Stock
Mouser Part No 634-EF8BB31F16GDQP32
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
1,175 In Stock
Alternative Packaging
1
$1.83
10
$1.55
25
$1.44
100
$1.28
250
View
250
$1.20
500
$1.14
1,000
$1.10
2,500
$1.03
5,000
$1.00
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
+ 85 C
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB20F32G-B-QFP32
Silicon Labs
1:
$2.90
920 In Stock
Mouser Part No 634-EFM8SBF32GBQFP32
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
920 In Stock
Alternative Packaging
1
$2.90
10
$2.43
25
$2.25
100
$2.01
250
View
250
$1.89
500
$1.71
1,000
$1.44
2,500
$1.37
5,000
$1.33
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
32 kB
4.25 kB
QFP-32
25 MHz
10 bit
24 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8SB
Tray
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
+1 image
EFM8UB20F64G-B-QFN32
Silicon Labs
1:
$3.21
350 In Stock
Mouser Part No 634-EFM8UBF64GBQFN32
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
350 In Stock
Alternative Packaging
1
$3.21
10
$2.68
25
$2.29
100
$2.17
250
View
250
$2.07
500
$2.01
1,000
$1.93
2,500
$1.84
4,599
$1.79
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QFN-32
48 MHz
10 bit
25 I/O
3.3 V
3.3 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB2
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:
$4.08
980 In Stock
Mouser Part No 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
$4.08
10
$2.70
25
$2.46
100
$2.09
1,500
$1.41
3,000
View
250
$1.99
500
$1.78
1,000
$1.47
3,000
$1.39
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
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
EFM8BB50F16I-A-QFN12
Silicon Labs
1:
$0.74
48 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
48 In Stock
Alternative Packaging
1
$0.74
10
$0.638
25
$0.594
100
$0.502
200
View
200
$0.474
600
$0.46
1,000
$0.418
4,000
$0.403
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:
$0.77
109 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
109 In Stock
Alternative Packaging
1
$0.77
10
$0.659
25
$0.613
100
$0.517
200
View
200
$0.489
600
$0.475
1,000
$0.431
4,000
$0.416
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 9 GPIO BB5 8-bit MCU
EFM8BB50F4G-A-QFN12
Silicon Labs
1:
$0.57
130 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
130 In Stock
Alternative Packaging
1
$0.57
10
$0.495
25
$0.462
200
$0.369
600
View
600
$0.358
1,000
$0.329
4,000
$0.318
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
EFM8BB50F4G-A-QFN16
Silicon Labs
1:
$0.60
180 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
180 In Stock
Alternative Packaging
1
$0.60
10
$0.516
25
$0.481
200
$0.383
600
View
600
$0.372
1,000
$0.336
4,000
$0.324
8,000
$0.318
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 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
C8051F582-IQ
Silicon Labs
1:
$17.17
1,005 In Stock
End of Life
Mouser Part No 634-C8051F582-IQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
1,005 In Stock
Alternative Packaging
1
$17.17
10
$13.87
25
$13.30
100
$11.72
250
View
250
$11.14
500
$10.42
1,000
$9.66
Buy
Min.: 1 Mult.: 1
Details
8051
128 kB
8.25 kB
QFP-32
50 MHz
12 bit
25 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F582
AEC-Q100
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
C8051F583-IQ
Silicon Labs
1:
$13.74
558 In Stock
End of Life
Mouser Part No 634-C8051F583-IQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
558 In Stock
Alternative Packaging
1
$13.74
10
$11.39
25
$10.64
100
$9.73
250
View
250
$9.27
500
$8.99
1,000
$8.75
2,500
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
128 kB
8.25 kB
QFP-32
50 MHz
12 bit
25 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F583
AEC-Q100
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU
+1 image
C8051F005-GQ
Silicon Labs
1:
$28.71
27 In Stock
800 Expected 20/04/2026
NRND
Mouser Part No 634-C8051F005-GQ
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU
27 In Stock
800 Expected 20/04/2026
Alternative Packaging
1
$28.71
10
$23.96
25
$22.53
100
$20.39
250
View
250
$19.82
800
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
2.25 kB
TQFP-64
25 MHz
12 bit
32 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F005
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB LFO 8-bit MCU
+2 images
C8051F334-GM
Silicon Labs
1:
$8.30
47 In Stock
NRND
Mouser Part No 634-C8051F334-GM
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB LFO 8-bit MCU
47 In Stock
Alternative Packaging
1
$8.30
10
$5.80
25
$5.53
100
$4.80
250
View
250
$4.59
500
$4.18
1,000
$3.65
1,911
$3.62
Buy
Min.: 1 Mult.: 1
Details
8051
2 kB
768 B
QFN-20
25 MHz
10 bit
17 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F334
Tube
Israel