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:
$2.57
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
$2.57
10
$1.66
25
$1.48
100
$1.22
1,500
$0.816
3,000
View
250
$1.15
500
$1.00
1,000
$0.877
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
$0.936
3,000
View
250
$1.20
500
$1.07
1,000
$0.97
3,000
$0.925
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 8 kB 8-bit MCU
C8051F353-GM
Silicon Labs
1:
$11.78
766 In Stock
Mouser Part No 634-C8051F353-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU
766 In Stock
Alternative Packaging
1
$11.78
10
$9.77
25
$8.46
100
$8.12
500
View
500
$7.62
1,000
$7.23
2,500
Quote
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
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
C8051F381-GM
Silicon Labs
1:
$6.77
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
$6.77
10
$5.62
25
$4.83
100
$4.61
250
View
250
$4.43
500
$4.30
1,000
$4.07
2,500
$4.03
4,599
Quote
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 LFO 8-bit MCU
+2 images
C8051F392-A-GM
Silicon Labs
1:
$3.95
2,037 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
2,037 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
$7.31
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 8-bit MCU
C8051F507-IM
Silicon Labs
1:
$10.94
583 In Stock
Mouser Part No 634-C8051F507-IM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU
583 In Stock
Alternative Packaging
1
$10.94
10
$9.06
100
$7.95
250
$7.59
500
View
500
$7.04
1,000
$6.27
2,500
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
32 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
C8051F507
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
C8051F550-IM
Silicon Labs
1:
$8.90
514 In Stock
1,911 Expected 01/09/2026
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 Expected 01/09/2026
Alternative Packaging
1
$8.90
10
$7.38
25
$6.27
100
$6.01
500
View
500
$5.67
1,000
$5.37
1,911
$5.22
5,733
Quote
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:
$9.83
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
$9.83
10
$7.47
25
$6.92
100
$6.19
250
View
250
$5.91
500
$5.39
1,000
$4.97
1,911
$4.76
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
3,980 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
3,980 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
521 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
521 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:
$49.03
1,248 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
1,248 In Stock
Alternative Packaging
1
$49.03
10
$40.96
25
$38.96
100
$35.65
250
View
250
$34.93
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
$9.60
2,500
Quote
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
$2.19
500
$1.98
1,000
$1.94
2,500
$1.69
4,599
$1.66
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:
$2.71
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
$2.71
10
$2.27
25
$2.00
100
$1.84
250
View
250
$1.75
500
$1.69
1,008
$1.56
2,016
$1.51
5,040
$1.47
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
+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
7,678 In Stock
7,500 Expected 07/12/2026
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
7,678 In Stock
7,500 Expected 07/12/2026
Alternative Packaging
1
$1.96
10
$1.62
25
$1.49
100
$1.32
250
View
2,500
$0.92
250
$1.22
500
$1.16
1,000
$1.08
2,500
$0.92
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-QFN20R
Silicon Labs
1:
$3.09
1,394 In Stock
49,500 On Order
Mouser Part No 634-8UB10F16GCQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
1,394 In Stock
49,500 On Order
View Dates
Alternative Packaging
Stock:
1,394 Can Dispatch Immediately
On Order:
9,000 Pending
40,500 Expected 15/01/2027
Factory Lead Time:
31 Weeks
1
$3.09
10
$2.25
25
$2.03
100
$1.83
250
View
1,500
$1.51
250
$1.80
500
$1.61
1,000
$1.51
1,500
$1.51
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
CIP-51 8051
16 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
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
$1.40
100
$1.23
250
View
250
$1.14
500
$1.06
1,000
$0.919
2,520
$0.855
5,040
$0.837
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 25 MHz 16 kB 8-bit MCU
C8051F311-GMR
Silicon Labs
1:
$13.08
860 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
860 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:
$15.17
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
$15.17
10
$12.39
25
$10.96
100
$10.41
250
View
250
$10.15
500
$9.61
1,000
$9.07
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 25 MHz 16 kB LFO 8-bit MCU
+2 images
C8051F336-GMR
Silicon Labs
1:
$11.54
1,458 In Stock
Mouser Part No 634-C8051F336-GMR
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU
1,458 In Stock
Alternative Packaging
1
$11.54
10
$9.38
25
$8.24
100
$7.85
500
View
1,500
$6.74
500
$7.41
1,000
$6.75
1,500
$6.74
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
16 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
C8051F336
Reel, Cut Tape, MouseReel
Israel