8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
+1 image
EFM8UB20F64G-B-QFP48R
Silicon Labs
1:
$4.14
63 In Stock
End of Life
Mouser Part No 634-EFM8UB64GBQFP48R
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
63 In Stock
Alternative Packaging
1
$4.14
10
$3.64
25
$3.56
100
$3.10
250
$3.03
500
$2.59
Buy
Min.: 1 Mult.: 1
Reel :500
Details
CIP-51 8051
64 kB
4.25 kB
QFP-48
48 MHz
10 bit
40 I/O
2.65 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB2
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
EFM8LB10F16E-C-QSOP24
Silicon Labs
1:
$2.31
53 In Stock
End of Life
Mouser Part No 634-LB10F16ECQSOP24
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
53 In Stock
Alternative Packaging
1
$2.31
10
$1.71
25
$1.56
100
$1.39
250
View
250
$1.32
500
$1.27
1,176
$1.23
2,352
$1.19
5,880
$1.15
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
16 kB
1.25 kB
QSOP-24
72 MHz
10 bit/12 bit/14 bit
21 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
EFM8LB11F16E-C-QSOP24
Silicon Labs
1:
$2.47
52 In Stock
End of Life
Mouser Part No 634-LB11F16ECQSOP24
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
52 In Stock
Alternative Packaging
1
$2.47
10
$1.84
25
$1.68
100
$1.50
250
View
250
$1.42
500
$1.37
1,176
$1.32
2,352
$1.29
5,880
$1.25
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
16 kB
1.25 kB
QSOP-24
72 MHz
10 bit/12 bit/14 bit
21 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB31F32I-D-4QFN24
Silicon Labs
1:
$2.28
475 In Stock
Mouser Part No 634-EF8BB31F32ID4F24
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
475 In Stock
Alternative Packaging
1
$2.28
10
$1.69
25
$1.54
100
$1.38
250
View
250
$1.30
500
$1.27
1,911
$1.24
5,733
$1.22
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
32 kB
2.3 kB
QFN-24
50 MHz
10 bit, 12 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Tube
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
EFM8LB11F32E-C-QFN24R
Silicon Labs
1:
$2.67
12 In Stock
Mouser Part No 634-LB11F32ECQFN24R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
12 In Stock
Alternative Packaging
1
$2.67
10
$1.98
25
$1.81
100
$1.62
1,500
$1.47
3,000
View
250
$1.53
500
$1.49
3,000
$1.45
Buy
Min.: 1 Mult.: 1
Reel :1,500
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
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
EFM8LB12F32E-C-QFN24
Silicon Labs
1:
$2.88
255 In Stock
Mouser Part No 634-LB12F32ECQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
255 In Stock
Alternative Packaging
1
$2.88
10
$2.15
25
$1.96
100
$1.76
250
View
250
$1.66
500
$1.63
1,000
$1.56
5,040
$1.55
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
Tube
8-bit Microcontrollers - MCU Next gen available (F380-GQ) 48 MIPS, 64KB,10ADC,USB,48Pin
C8051F340-GQR
Silicon Labs
1:
$24.81
500 Expected 09/10/2026
Mouser Part No 634-C8051F340-GQR
Silicon Labs
8-bit Microcontrollers - MCU Next gen available (F380-GQ) 48 MIPS, 64KB,10ADC,USB,48Pin
500 Expected 09/10/2026
Alternative Packaging
1
$24.81
10
$20.05
25
$18.34
100
$17.48
250
View
500
$15.41
250
$17.13
500
$15.41
1,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :500
Details
8051
64 kB
4.25 kB
TQFP-48
48 MHz
10 bit
40 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F340
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU
C8051F353-GM
Silicon Labs
1:
$11.59
1,264 Expected 02/10/2026
Mouser Part No 634-C8051F353-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU
1,264 Expected 02/10/2026
Alternative Packaging
1
$11.59
10
$9.30
25
$8.37
100
$7.83
250
View
250
$7.62
500
$7.32
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 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24
C8051F390-A-GMR
Silicon Labs
1:
$4.11
1,497 Expected 02/10/2026
Mouser Part No 634-C8051F390-A-GMR
Silicon Labs
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24
1,497 Expected 02/10/2026
Alternative Packaging
1
$4.11
10
$3.10
25
$2.85
100
$2.57
250
View
1,500
$2.33
250
$2.44
500
$2.42
1,000
$2.37
1,500
$2.33
Buy
Min.: 1 Mult.: 1
Reel :1,500
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 8KB/512B RAM, ADC, SOIC16
+4 images
C8051F860-C-GSR
Silicon Labs
1:
$2.98
3,674 Expected 15/09/2026
Mouser Part No 634-C8051F860-C-GSR
Silicon Labs
8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16
3,674 Expected 15/09/2026
Alternative Packaging
1
$2.98
10
$2.32
25
$2.07
100
$1.90
2,500
$1.58
5,000
View
250
$1.85
500
$1.72
1,000
$1.68
5,000
$1.56
Buy
Min.: 1 Mult.: 1
Reel :2,500
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
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:
$2.10
1,911 Expected 13/11/2026
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
1,911 Expected 13/11/2026
Alternative Packaging
1
$2.10
10
$1.68
25
$1.46
100
$1.36
250
View
250
$1.30
500
$1.23
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 50 MHz 128 kB 8-bit MCU
+1 image
C8051F125-GQ
Silicon Labs
1:
$43.02
575 Expected 09/07/2027
End of Life
Mouser Part No 634-C8051F125-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU
575 Expected 09/07/2027
Alternative Packaging
1
$43.02
10
$35.16
25
$35.00
Buy
Min.: 1 Mult.: 1
Details
8051
128 kB
8.25 kB
TQFP-64
50 MHz
12 bit
32 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F125
Tray
8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20
+5 images
C8051F530A-IT
Silicon Labs
1:
$6.56
6,694 Expected 01/01/2027
End of Life
Mouser Part No 634-C8051F530A-IT
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20
6,694 Expected 01/01/2027
Alternative Packaging
1
$6.56
10
$5.03
25
$4.37
74
$4.04
296
$3.88
Buy
Min.: 1 Mult.: 1
Details
8051
8 kB
256 B
TSSOP-20
25 MHz
12 bit
16 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F530A
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB22F16I-C-QFN28
Silicon Labs
1:
$2.14
1 In Stock
Mouser Part No 634-8BB22F16ICQFN28
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
1 In Stock
Alternative Packaging
1
$2.14
10
$1.75
25
$1.66
100
$1.41
250
View
250
$1.36
500
$1.22
1,000
$1.14
2,500
$1.12
4,599
$1.10
Buy
Min.: 1 Mult.: 1
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
+ 125 C
EFM8BB2
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:
$1.86
2,400 Expected 09/10/2026
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
2,400 Expected 09/10/2026
Alternative Packaging
1
$1.86
10
$1.57
25
$1.38
100
$1.24
200
View
200
$1.23
600
$1.18
1,000
$1.02
2,600
$0.961
5,000
$0.94
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:
$1.94
12,500 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
12,500 On Order
View Dates
Alternative Packaging
On Order:
5,000 Expected 02/10/2026
Factory Lead Time:
20 Weeks
1
$1.94
10
$1.46
25
$1.32
100
$1.18
2,500
$0.99
5,000
View
250
$1.11
500
$1.07
1,000
$1.06
5,000
$0.968
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 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)
C8051F301-GMR
Silicon Labs
1:
$7.24
3,000 Expected 27/11/2026
Mouser Part No 634-C8051F301-GMR
Silicon Labs
8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)
3,000 Expected 27/11/2026
Alternative Packaging
1
$7.24
10
$5.71
25
$5.13
100
$4.77
250
View
1,500
$4.06
250
$4.65
500
$4.43
1,000
$4.06
1,500
$4.06
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
8 kB
256 B
QFN-11
25 MHz
No ADC
8 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F301
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64I-D-QFN32R
Silicon Labs
1:
$2.90
2,500 Expected 15/09/2026
Mouser Part No 634-EF8BB31F64IDN32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
2,500 Expected 15/09/2026
Alternative Packaging
1
$2.90
10
$2.17
25
$1.98
100
$1.78
250
View
2,500
$1.59
250
$1.68
500
$1.64
1,000
$1.60
2,500
$1.59
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
CIP-51 8051
64 kB
4.35 kB
QFN-32
50 MHz
10 bit, 12 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
EFM8BB52F32G-C-QFN32R
Silicon Labs
1:
$1.05
5,000 Expected 09/10/2026
Mouser Part No 634-EFM852F32GQFN32R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
5,000 Expected 09/10/2026
Alternative Packaging
1
$1.05
10
$0.817
25
$0.726
100
$0.663
2,500
$0.537
5,000
View
250
$0.643
500
$0.589
1,000
$0.581
5,000
$0.53
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
16 kB
1.28 kB
QFN-32
16 I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB12F32E-C-QFP32
Silicon Labs
1:
$3.47
1,043 Expected 02/10/2026
Mouser Part No 634-LB12F32ECQFP32
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
1,043 Expected 02/10/2026
Alternative Packaging
1
$3.47
10
$2.59
25
$2.37
100
$2.12
250
View
250
$2.01
500
$1.96
1,000
$1.92
2,500
$1.88
5,000
$1.87
Buy
Min.: 1 Mult.: 1
Details
CIP-51 8051
32 kB
2.25 kB
QFP-32
72 MHz
10 bit/12 bit/14 bit
28 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB LFO 8-bit MCU
+2 images
C8051F330-GM
Silicon Labs
1:
$10.06
1,911 Expected 16/10/2026
NRND
Mouser Part No 634-C8051F330-GM
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB LFO 8-bit MCU
1,911 Expected 16/10/2026
Alternative Packaging
1
$10.06
10
$8.01
25
$7.17
100
$6.64
250
$6.57
Buy
Min.: 1 Mult.: 1
Details
8051
8 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
C8051F330
Tube
8-bit Microcontrollers - MCU 32KB,12ADC,48Pin MCU
C8051F006-GQ
Silicon Labs
1:
$33.17
114 Expected 30/04/2027
End of Life
Mouser Part No 634-C8051F006-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 32KB,12ADC,48Pin MCU
114 Expected 30/04/2027
Alternative Packaging
1
$33.17
10
$28.80
25
$26.00
100
$25.08
250
$24.09
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
2.25 kB
TQFP-48
25 MHz
12 bit
16 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F006
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU
+1 image
C8051F040-GQ
Silicon Labs
1:
$32.05
425 Expected 30/10/2026
End of Life
Mouser Part No 634-C8051F040-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU
425 Expected 30/10/2026
Alternative Packaging
1
$32.05
10
$26.76
25
$23.42
100
$22.68
Buy
Min.: 1 Mult.: 1
Details
8051
64 kB
4.25 kB
TQFP-100
25 MHz
8 bit, 12 bit
64 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F040
Tray
8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)
+2 images
C8051F331-GMR
Silicon Labs
1:
$9.02
1,500 Expected 16/10/2026
End of Life
Mouser Part No 634-C8051F331-GMR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)
1,500 Expected 16/10/2026
Alternative Packaging
1
$9.02
10
$6.99
25
$6.48
100
$6.20
1,500
$6.20
Buy
Min.: 1 Mult.: 1
Reel :1,500
Details
8051
8 kB
768 B
QFN-20
25 MHz
No ADC
17 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F331
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU
+1 image
C8051F505-IQ
Silicon Labs
1:
$11.09
832 Expected 16/07/2027
End of Life
Mouser Part No 634-C8051F505-IQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU
832 Expected 16/07/2027
Alternative Packaging
1
$11.09
10
$8.85
25
$8.18
100
$8.02
Buy
Min.: 1 Mult.: 1
Details
8051
32 kB
4.25 kB
QFP-48
50 MHz
12 bit
40 I/O
1.8 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 125 C
C8051F505
AEC-Q100
Tray
Israel