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:
$2.01
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
$2.01
10
$1.23
25
$1.04
100
$0.782
1,500
$0.456
3,000
View
250
$0.677
500
$0.594
1,000
$0.533
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 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
+2 images
EFM8SB10F2G-A-QFN20
Silicon Labs
1:
$2.38
3,691 In Stock
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
3,691 In Stock
Alternative Packaging
1
$2.38
10
$1.52
25
$1.36
100
$1.12
250
View
250
$0.973
500
$0.922
1,000
$0.774
2,100
$0.706
4,200
$0.679
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 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
+2 images
EFM8SB10F8G-A-QFN20
Silicon Labs
1:
$2.57
6,333 In Stock
Mouser Part No 634-8SB10F8GAQF20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
6,333 In Stock
Alternative Packaging
1
$2.57
10
$1.66
25
$1.48
100
$1.22
250
View
250
$1.15
500
$1.00
1,000
$0.877
2,100
$0.816
4,200
$0.798
Buy
Min.: 1 Mult.: 1
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
Tube
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:
$2.05
5,918 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
5,918 In Stock
Alternative Packaging
1
$2.05
10
$1.43
25
$1.31
100
$1.17
250
View
1,500
$0.811
250
$1.10
500
$0.99
1,000
$0.956
1,500
$0.811
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 32 kB 8-bit MCU
+1 image
C8051F005-GQ
Silicon Labs
1:
$31.85
739 In Stock
800 Expected 12/03/2027
End of Life
Mouser Part No 634-C8051F005-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU
739 In Stock
800 Expected 12/03/2027
Alternative Packaging
1
$31.85
10
$27.58
25
$26.25
100
$23.73
250
View
250
$23.40
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 64KB,10ADC,100Pin MCU
C8051F022-GQ
Silicon Labs
1:
$36.84
501 In Stock
End of Life
Mouser Part No 634-C8051F022-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU
501 In Stock
Alternative Packaging
1
$36.84
10
$31.62
25
$30.20
100
$27.01
250
View
250
$25.77
450
$25.76
900
Quote
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.35 kB
TQFP-100
25 MHz
8 bit, 10 bit
64 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F022
Tray
8-bit Microcontrollers - MCU 64KB,16ADC,CAN,64Pin MCU
C8051F061-GQ
Silicon Labs
1:
$36.15
4,125 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
4,125 In Stock
Alternative Packaging
1
$36.15
10
$32.60
100
$30.26
250
$28.88
500
View
500
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 Automotive MCU with 2KB SRAM and 32Kx16 ECC E-Flash, QFN-24 (4mm x 4mm)
+2 images
IS32CS8974A-QWLCA3-TR
Lumissil
1:
$1.24
2,450 In Stock
New Product
Mouser Part No 870-32CS8974AQWLA3TR
New Product
Lumissil
8-bit Microcontrollers - MCU Automotive MCU with 2KB SRAM and 32Kx16 ECC E-Flash, QFN-24 (4mm x 4mm)
2,450 In Stock
1
$1.24
10
$1.06
25
$0.979
100
$0.874
2,500
$0.70
5,000
View
250
$0.814
500
$0.774
1,000
$0.739
5,000
$0.676
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
8051
32 KB
2 KB
WQFN-24
25 MHz
20 I/O
2.5 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB 8-bit MCU
+2 images
C8051F850-C-GM
Silicon Labs
1:
$4.20
1,473 In Stock
NRND
Mouser Part No 634-C8051F850-C-GM
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB 8-bit MCU
1,473 In Stock
Alternative Packaging
1
$4.20
10
$2.78
25
$2.53
100
$2.15
250
View
250
$2.04
500
$1.83
1,000
$1.59
2,520
$1.54
5,040
$1.50
Buy
Min.: 1 Mult.: 1
Details
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
C8051F850
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU
+4 images
C8051F860-C-GS
Silicon Labs
1:
$4.03
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
$4.03
10
$2.67
25
$2.43
100
$2.06
250
View
250
$1.96
500
$1.76
1,008
$1.52
2,016
$1.48
5,040
$1.45
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 25 MHz 16 kB 8-bit MCU
C8051F311-GMR
Silicon Labs
1:
$13.94
860 In Stock
3,000 Expected 11/12/2026
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 11/12/2026
Alternative Packaging
1
$13.94
10
$10.59
25
$10.15
100
$8.94
250
View
1,500
$7.23
250
$8.51
500
$7.96
1,000
$7.65
1,500
$7.23
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:
$13.48
208 In Stock
1,533 Expected 04/12/2026
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 04/12/2026
Alternative Packaging
1
$13.48
10
$11.01
25
$10.05
100
$9.53
250
View
250
$9.37
500
$9.32
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 High-Speed/Low-Power Microcontrollers
DS80C320-ECG+
Analog Devices / Maxim Integrated
1:
$37.49
130 In Stock
Mouser Part No 700-DS80C320-ECG
Analog Devices / Maxim Integrated
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
130 In Stock
Alternative Packaging
1
$37.49
10
$31.39
25
$29.58
100
$26.91
250
$26.19
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
256 B
TQFP-44
25 MHz
No ADC
32 I/O
4.5 V
5.5 V
SMD/SMT
8 bit
0 C
+ 70 C
DS80C320
Tray
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
+1 image
DS80C320-QCG+
Analog Devices / Maxim Integrated
1:
$37.56
68 In Stock
Mouser Part No 700-DS80C320-QCG
Analog Devices / Maxim Integrated
8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
68 In Stock
Alternative Packaging
1
$37.56
10
$31.45
28
$29.44
112
$27.37
252
$26.47
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
256 B
PLCC-44
25 MHz
No ADC
32 I/O
4.5 V
5.5 V
SMD/SMT
8 bit
0 C
+ 70 C
DS80C320
Tube
8-bit Microcontrollers - MCU 16KB 454 RAM 33 I/O
+1 image
PIC17C44-25/L
Microchip Technology
1:
$14.69
41 In Stock
Mouser Part No 579-PIC17C44-25/L
Microchip Technology
8-bit Microcontrollers - MCU 16KB 454 RAM 33 I/O
41 In Stock
Buy
Min.: 1 Mult.: 1
Details
PIC17
8 kB
454 B
PLCC-44
25 MHz
No ADC
33 I/O
4.5 V
5.5 V
SMD/SMT
8 bit
0 C
+ 70 C
PIC17(L)C4x
Tube
8-bit Microcontrollers - MCU 256KB 1536 RAM 26I/O
PIC18C601-I/L
Microchip Technology
1:
$6.42
84 In Stock
Mouser Part No 579-PIC18C601-I/L
Microchip Technology
8-bit Microcontrollers - MCU 256KB 1536 RAM 26I/O
84 In Stock
Buy
Min.: 1 Mult.: 1
Details
PIC18
256 kB
1.5 kB
PLCC-68
25 MHz
10 bit
47 I/O
4.2 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC18(L)Cx01
Tube
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:
$1.93
218 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
218 In Stock
Alternative Packaging
1
$1.93
10
$1.23
25
$1.10
100
$0.905
250
View
250
$0.789
500
$0.748
1,000
$0.628
2,520
$0.573
5,040
$0.556
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:
$1.98
141 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
141 In Stock
Alternative Packaging
1
$1.98
10
$1.26
25
$1.12
100
$0.929
250
View
250
$0.81
500
$0.767
1,000
$0.644
2,520
$0.588
5,040
$0.566
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:
$1.98
1,572 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
1,572 In Stock
Alternative Packaging
1
$1.98
10
$1.26
25
$1.12
100
$0.929
250
View
250
$0.81
500
$0.767
1,008
$0.644
2,016
$0.588
5,040
$0.566
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 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
+2 images
EFM8SB10F2G-A-QFN20R
Silicon Labs
1:
$2.38
709 In Stock
18,000 On Order
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
709 In Stock
18,000 On Order
View Dates
Alternative Packaging
Stock:
709 Can Dispatch Immediately
On Order:
6,000 Expected 07/08/2026
12,000 Expected 14/08/2026
Factory Lead Time:
12 Weeks
1
$2.38
10
$1.52
25
$1.36
100
$1.12
1,500
$0.706
3,000
View
250
$0.973
500
$0.922
1,000
$0.774
3,000
$0.679
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
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
+2 images
EFM8SB10F4G-A-QFN20
Silicon Labs
1:
$2.35
23 In Stock
Mouser Part No 634-8SB10F4GAQF20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
23 In Stock
Alternative Packaging
1
$2.35
10
$1.51
25
$1.35
100
$1.11
250
View
250
$1.05
500
$0.919
1,000
$0.80
2,100
$0.745
4,200
$0.728
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
4 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
Tube
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:
$2.68
31 In Stock
3,000 Expected 04/08/2026
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
31 In Stock
3,000 Expected 04/08/2026
Alternative Packaging
1
$2.68
10
$1.74
25
$1.58
100
$1.33
1,500
$0.89
3,000
View
250
$1.25
500
$1.09
1,000
$0.948
3,000
$0.87
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 8kB/512B RAM, ADC, QFN20
+2 images
C8051F850-C-GMR
Silicon Labs
1:
$3.92
559 In Stock
Mouser Part No 634-C8051F850-C-GMR
Silicon Labs
8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20
559 In Stock
Alternative Packaging
1
$3.92
10
$2.59
25
$2.36
100
$2.00
1,500
$1.43
3,000
View
250
$1.90
500
$1.70
1,000
$1.48
3,000
$1.41
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
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
C8051F850
Reel, Cut Tape, MouseReel
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:
$2.98
364 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
364 In Stock
Alternative Packaging
1
$2.98
10
$2.04
25
$1.86
100
$1.65
250
View
250
$1.64
500
$1.44
1,000
$1.20
1,911
$1.19
5,733
$1.17
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 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
EFM8BB10F8A-A-QFN20
Silicon Labs
1:
$3.53
20 In Stock
Mouser Part No 634-FM8BB10F8AAQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
20 In Stock
Alternative Packaging
1
$3.53
10
$2.32
25
$2.15
100
$1.87
250
View
250
$1.75
500
$1.53
1,000
$1.28
2,520
$1.24
5,040
$1.21
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
8 kB
512 B
25 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB1
AEC-Q100
Tube
Israel
