8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
+1 image
C8051F381-GQ
Silicon Labs
1:
$6.47
1,078 In Stock
End of Life
Mouser Part No 634-C8051F381-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
1,078 In Stock
Alternative Packaging
1
$6.47
10
$5.37
25
$4.99
100
$4.52
250
View
250
$4.27
500
$4.11
1,000
$3.98
2,500
$3.83
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
LQFP-32
48 MHz
10 bit
25 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F381
Tray
8-bit Microcontrollers - MCU USB-Flash-64k-ADC-LQFP32
+1 image
C8051F381-GQR
Silicon Labs
1:
$6.47
1,280 In Stock
End of Life
Mouser Part No 634-C8051F381-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU USB-Flash-64k-ADC-LQFP32
1,280 In Stock
Alternative Packaging
1
$6.47
10
$5.37
25
$4.99
100
$4.52
500
$4.10
1,000
View
250
$4.27
1,000
$3.91
2,500
$3.83
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
LQFP-32
48 MHz
10 bit
25 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F381
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
+1 image
C8051F412-GQ
Silicon Labs
1:
$14.00
496 In Stock
1,250 Expected 20/03/2026
End of Life
Mouser Part No 634-C8051F412-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
496 In Stock
1,250 Expected 20/03/2026
Alternative Packaging
1
$14.00
10
$11.32
25
$10.38
100
$9.42
250
View
250
$8.99
1,000
$8.77
2,500
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
16 kB
2.31 kB
LQFP-32
50 MHz
12 bit
24 I/O
2 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F412
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
+1 image
C8051F412-GQR
Silicon Labs
1:
$17.19
294 In Stock
End of Life
Mouser Part No 634-C8051F412-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
294 In Stock
Alternative Packaging
1
$17.19
10
$13.49
25
$12.93
100
$11.40
500
$10.10
1,000
View
250
$10.84
1,000
$9.70
Buy
Min.: 1 Mult.: 1
Details
8051
16 kB
2.31 kB
LQFP-32
50 MHz
12 bit
24 I/O
2 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F412
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, DFN10
C8051F521A-IM
Silicon Labs
1:
$4.47
2,359 In Stock
End of Life
Mouser Part No 634-C8051F521A-IM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, DFN10
2,359 In Stock
Alternative Packaging
1
$4.47
10
$4.46
25
$4.14
100
$3.68
244
View
244
$3.42
488
$3.33
1,098
$2.81
2,562
$2.60
Buy
Min.: 1 Mult.: 1
Details
8051
8 kB
256 B
QFN-20
25 MHz
12 bit
6 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F521A
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
+1 image
C8051F560-IQ
Silicon Labs
1:
$7.45
511 In Stock
End of Life
Mouser Part No 634-C8051F560-IQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
511 In Stock
Alternative Packaging
1
$7.45
10
$6.18
25
$5.75
100
$5.23
250
View
250
$5.19
2,500
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
2.25 kB
QFP-32
50 MHz
12 bit
25 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F560
AEC-Q100
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 8051 50 MHz 32 kB 8-bit MCU
C8051F383-GM
Silicon Labs
1:
$5.27
39 In Stock
Mouser Part No 634-C8051F383-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
39 In Stock
Alternative Packaging
1
$5.27
10
$4.38
25
$3.75
100
$3.58
250
View
250
$3.43
500
$3.32
1,000
$3.21
2,500
$3.08
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
2.25 kB
QFN-32
48 MHz
10 bit
25 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F383
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
C8051F390-A-GM
Silicon Labs
1:
$5.52
178 In Stock
Mouser Part No 634-C8051F390-A-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
178 In Stock
Alternative Packaging
1
$5.52
10
$3.79
25
$3.53
100
$3.11
250
View
250
$2.95
500
$2.64
1,000
$2.23
1,911
$2.15
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
Tube
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
213 In Stock
Mouser Part No 634-C8051F392-A-GMR
Silicon Labs
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20
213 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 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB20F16G-B-QFN24
Silicon Labs
1:
$1.83
446 In Stock
Mouser Part No 634-EFM8SBF16GBQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
446 In Stock
Alternative Packaging
1
$1.83
10
$1.55
25
$1.29
100
$1.23
250
View
250
$1.19
500
$1.14
1,000
$1.10
1,911
$1.03
5,733
$1.00
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
16 kB
4.25 kB
QFN-24
25 MHz
10 bit
16 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8SB
Tube
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 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
+1 image
EFM8UB20F32G-B-QFP48R
Silicon Labs
1:
$4.70
281 In Stock
Mouser Part No 634-EFM8UB32GBQFP48R
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
281 In Stock
Alternative Packaging
1
$4.70
10
$3.99
500
$2.44
1,000
$2.18
2,500
$2.14
5,000
$2.11
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
32 kB
2.25 kB
QFP-48
48 MHz
10 bit
40 I/O
3.6 V
2.2 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB2
Reel, Cut Tape, MouseReel
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
Israel