8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
+2 images
EFM8SB10F8G-A-QFN20R
Silicon Labs
1:
$1.70
8,908 In Stock
Mouser Part No 634-8SB10F8GAQF20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
8,908 In Stock
Alternative Packaging
1
$1.70
10
$1.41
25
$1.22
100
$1.15
1,500
$0.816
3,000
View
500
$1.01
1,000
$0.904
3,000
$0.798
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
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
EFM8SB10F8G-A-QFN24R
Silicon Labs
1:
$1.80
3,031 In Stock
Mouser Part No 634-8SB10F8GAQF24R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
3,031 In Stock
Alternative Packaging
1
$1.80
10
$1.50
25
$1.29
100
$1.22
1,500
$0.916
3,000
View
250
$1.20
500
$1.07
1,000
$0.97
3,000
$0.896
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
8 kB
512 B
25 MHz
12 bit
17 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
C8051F381-GM
Silicon Labs
1:
$7.03
900 In Stock
Mouser Part No 634-C8051F381-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
900 In Stock
Alternative Packaging
1
$7.03
10
$5.84
25
$5.02
100
$4.79
500
View
500
$4.42
1,000
$3.99
2,500
$3.94
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
QFN-32
48 MHz
10 bit
25 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F381
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
C8051F390-A-GM
Silicon Labs
1:
$4.13
1,322 In Stock
Mouser Part No 634-C8051F390-A-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
1,322 In Stock
Alternative Packaging
1
$4.13
10
$3.41
25
$2.89
100
$2.76
250
View
250
$2.75
500
$2.55
1,000
$2.30
1,911
$2.26
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 8051 50 MHz 16 kB LFO 8-bit MCU
+2 images
C8051F392-A-GM
Silicon Labs
1:
$3.95
1,755 In Stock
1,911 Expected 02/11/2026
Mouser Part No 634-C8051F392-A-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU
1,755 In Stock
1,911 Expected 02/11/2026
Alternative Packaging
1
$3.95
10
$3.30
25
$2.77
100
$2.64
250
View
250
$2.57
500
$2.47
1,000
$2.32
1,911
$2.23
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
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
C8051F502-IM
Silicon Labs
1:
$11.91
548 In Stock
Mouser Part No 634-C8051F502-IM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
548 In Stock
Alternative Packaging
1
$11.91
10
$9.87
25
$8.55
100
$8.21
500
View
500
$7.71
1,000
$7.03
2,500
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
QFN-32
50 MHz
12 bit
25 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F502
AEC-Q100
Tube
8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32
C8051F502-IMR
Silicon Labs
1:
$13.68
301 In Stock
Mouser Part No 634-C8051F502-IMR
Silicon Labs
8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32
301 In Stock
Alternative Packaging
1
$13.68
10
$10.39
25
$9.96
100
$8.78
250
View
1,500
$7.10
250
$8.35
500
$7.81
1,000
$7.51
1,500
$7.10
3,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
1.8 V
5.25 V
8 bit
C8051F502
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
C8051F550-IM
Silicon Labs
1:
$9.44
514 In Stock
1,911 On Order
Mouser Part No 634-C8051F550-IM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
514 In Stock
1,911 On Order
View Dates
Alternative Packaging
Stock:
514 Can Dispatch Immediately
On Order:
1,770 Expected 01/09/2026
141 Expected 11/09/2026
Factory Lead Time:
12 Weeks
1
$9.44
10
$7.83
25
$6.65
100
$6.38
250
View
250
$6.29
500
$5.67
1,000
$5.28
1,911
$5.00
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
2.25 kB
QFN-24
50 MHz
12 bit
18 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F550
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU
C8051F553-IM
Silicon Labs
1:
$9.97
Non-Stocked Lead-Time 12 Weeks
Mouser Part No 634-C8051F553-IM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
$9.97
10
$7.47
25
$7.13
100
$6.19
250
View
250
$5.91
500
$5.52
1,000
$4.70
1,911
$4.58
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
2.25 kB
QFN-24
50 MHz
12 bit
18 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F553
AEC-Q100
Tube
8-bit Microcontrollers - MCU 64KB,16ADC,CAN,64Pin MCU
C8051F061-GQ
Silicon Labs
1:
$40.07
2,969 In Stock
End of Life
Mouser Part No 634-C8051F061-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64KB,16ADC,CAN,64Pin MCU
2,969 In Stock
Alternative Packaging
1
$40.07
10
$33.55
25
$31.23
100
$28.77
5,600
Quote
5,600
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
TQFP-64
25 MHz
10 bit, 2 x 16 bit
24 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F061
Tray
8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU
C8051F120-GQR
Silicon Labs
1:
$50.93
471 In Stock
End of Life
Mouser Part No 634-C8051F120-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU
471 In Stock
Alternative Packaging
1
$50.93
10
$42.12
25
$40.35
100
$38.21
250
$35.51
2,500
Quote
2,500
Quote
Buy
Min.: 1 Mult.: 1
Reel :250
Details
8051
128 kB
8.25 kB
TQFP-100
100 MHz
8 bit, 12 bit
64 I/O
3 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F120
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU
+1 image
C8051F121-GQ
Silicon Labs
1:
$50.00
614 In Stock
End of Life
Mouser Part No 634-C8051F121-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU
614 In Stock
Alternative Packaging
1
$50.00
10
$41.66
25
$38.98
100
$36.98
250
View
250
$35.54
500
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
128 kB
8.25 kB
TQFP-64
100 MHz
8 bit, 12 bit
32 I/O
3 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F121
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
C8051F501-IM
Silicon Labs
1:
$12.94
600 In Stock
End of Life
Mouser Part No 634-C8051F501-IM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
600 In Stock
Alternative Packaging
1
$12.94
10
$10.65
25
$9.64
100
$8.97
250
View
250
$8.70
500
$8.05
903
$8.04
2,709
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
QFN-48
50 MHz
12 bit
40 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F501
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
C8051F582-IM
Silicon Labs
1:
$15.99
5,023 In Stock
End of Life
Mouser Part No 634-C8051F582-IM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
5,023 In Stock
Alternative Packaging
1
$15.99
10
$13.27
25
$11.56
100
$11.23
250
View
250
$10.68
500
$9.99
1,000
$9.62
Buy
Min.: 1 Mult.: 1
Details
8051
128 kB
8.25 kB
QFN-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
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB20F64G-B-QFN32
Silicon Labs
1:
$4.50
1,161 In Stock
End of Life
Mouser Part No 634-EFM8SBF64GBQFN32
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
1,161 In Stock
Alternative Packaging
1
$4.50
10
$2.98
25
$2.72
100
$2.31
250
View
250
$2.20
500
$1.97
1,000
$1.94
2,500
$1.64
4,599
$1.61
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QFN-32
25 MHz
10 bit
24 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 2 kB 8-bit MCU
+4 images
C8051F860-C-GS
Silicon Labs
1:
$2.98
375 In Stock
NRND
Mouser Part No 634-C8051F860-C-GS
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU
375 In Stock
Alternative Packaging
1
$2.98
10
$2.61
25
$2.09
100
$1.97
500
View
500
$1.81
1,008
$1.68
2,016
$1.64
5,040
$1.62
Buy
Min.: 1 Mult.: 1
Details
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
C8051F860
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB21F16I-C-QFN20
Silicon Labs
1:
$1.75
3,324 In Stock
Mouser Part No 634-8BB21F16I-CQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
3,324 In Stock
Alternative Packaging
1
$1.75
10
$1.48
25
$1.30
100
$1.21
250
View
250
$1.14
500
$0.99
1,000
$0.862
2,520
$0.785
5,040
$0.784
Buy
Min.: 1 Mult.: 1
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
+ 125 C
EFM8BB2
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB22F16G-C-QFN28R
Silicon Labs
1:
$2.52
2,666 In Stock
Mouser Part No 634-8BB22F16GCQFN28R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
2,666 In Stock
Alternative Packaging
1
$2.52
10
$1.95
25
$1.77
100
$1.50
1,500
$1.25
3,000
View
500
$1.34
1,000
$1.25
3,000
$1.05
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
16 kB
2.3 kB
QFN-28
50 MHz
12 bit
22 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 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
+2 images
EFM8SB10F8G-A-CSP16R
Silicon Labs
1:
$1.96
2,678 In Stock
7,500 On Order
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
2,678 In Stock
7,500 On Order
Alternative Packaging
1
$1.96
10
$1.62
25
$1.40
100
$1.32
2,500
$1.00
5,000
View
500
$1.16
1,000
$1.09
5,000
$0.99
Buy
Min.: 1 Mult.: 1
Reel :2,500
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 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB10F16G-C-QFN28R
Silicon Labs
1:
$2.71
4,493 In Stock
Mouser Part No 634-8UB10F16GCQFN28R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
4,493 In Stock
Alternative Packaging
1
$2.71
10
$2.28
25
$2.00
100
$1.89
1,500
$1.30
3,000
View
250
$1.86
500
$1.65
1,000
$1.45
3,000
$1.26
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
16 kB
2.25 kB
QFN-28
50 MHz
12 bit
22 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU
+2 images
EFM8UB10F8G-C-QFN20
Silicon Labs
1:
$1.78
2,547 In Stock
5,040 Expected 11/09/2026
Mouser Part No 634-8UB10F8GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU
2,547 In Stock
5,040 Expected 11/09/2026
Alternative Packaging
1
$1.78
10
$1.51
25
$1.32
100
$1.23
250
View
250
$1.20
500
$1.06
1,000
$0.982
2,520
$0.948
5,040
$0.934
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
8 kB
2.25 kB
QFN-20
50 MHz
12 bit
13 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB21F16A-C-QFN20R
Silicon Labs
1:
$4.46
1,498 In Stock
Mouser Part No 634-BB21F16ACQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
1,498 In Stock
Alternative Packaging
1
$4.46
10
$2.95
25
$2.68
100
$2.28
250
View
1,500
$1.90
250
$2.16
500
$1.94
1,000
$1.90
1,500
$1.90
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
16 kB
2.25 kB
QFN-20
50 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB2
AEC-Q100
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU
C8051F311-GMR
Silicon Labs
1:
$13.08
685 In Stock
3,000 Expected 27/11/2026
Mouser Part No 634-C8051F311-GMR
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU
685 In Stock
3,000 Expected 27/11/2026
Alternative Packaging
1
$13.08
10
$10.25
25
$9.45
100
$8.63
250
View
1,500
$7.07
250
$8.40
500
$7.80
1,000
$7.29
1,500
$7.07
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
16 kB
1.25 kB
QFN-28
25 MHz
10 bit
25 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F311
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN28 OTP available (T321-GM)
C8051F321-GM
Silicon Labs
1:
$15.95
208 In Stock
1,533 Expected 27/11/2026
Mouser Part No 634-C8051F321-GM
Silicon Labs
8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN28 OTP available (T321-GM)
208 In Stock
1,533 Expected 27/11/2026
Alternative Packaging
1
$15.95
10
$12.67
25
$11.56
100
$10.65
250
View
250
$10.39
500
$9.61
1,000
$8.76
2,500
Quote
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
16 kB
2.3 kB
QFN-28
25 MHz
10 bit
21 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F321
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
C8051F411-GM
Silicon Labs
1:
$13.99
1,057 In Stock
1,533 Expected 20/11/2026
Mouser Part No 634-C8051F411-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
1,057 In Stock
1,533 Expected 20/11/2026
Alternative Packaging
1
$13.99
10
$11.23
25
$10.40
100
$9.59
250
View
250
$9.35
500
$8.83
1,000
$8.77
2,500
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
32 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
C8051F411
Tube
Israel