8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
C8051F581-IM
Silicon Labs
1:
$15.74
106 In Stock
End of Life
Mouser Part No
634-C8051F581-IM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
106 In Stock
Alternative Packaging
1
$15.74
10
$12.33
25
$11.48
100
$10.54
250
View
250
$10.44
500
$10.29
903
$10.17
2,709
Quote
Buy
Min.: 1
Mult.: 1
Details
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
+1 image
C8051F581-IQ
Silicon Labs
1:
$17.05
15 In Stock
End of Life
Mouser Part No
634-C8051F581-IQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
15 In Stock
Alternative Packaging
1
$17.05
10
$14.15
25
$12.03
100
$11.54
500
$11.20
Buy
Min.: 1
Mult.: 1
Details
8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, SPI, 2xUART, I2C, QFP48
C8051F581-IQR
Silicon Labs
1:
$16.90
15 In Stock
End of Life
Mouser Part No
634-C8051F581-IQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, SPI, 2xUART, I2C, QFP48
15 In Stock
Alternative Packaging
1
$16.90
10
$13.76
25
$11.91
100
$11.39
500
$10.56
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
C8051F931-G-GM
Silicon Labs
1:
$5.14
305 In Stock
End of Life
Mouser Part No
634-C8051F931-G-GM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
305 In Stock
Alternative Packaging
1
$5.14
10
$3.92
25
$3.61
100
$3.27
250
View
250
$3.11
500
$3.02
1,000
$2.98
1,911
$2.94
Buy
Min.: 1
Mult.: 1
Details
8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
C8051F931-G-GMR
Silicon Labs
1:
$5.49
99 In Stock
End of Life
Mouser Part No
634-C8051F931-G-GMR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
99 In Stock
Alternative Packaging
1
$5.49
10
$4.32
25
$3.87
100
$3.58
1,500
$3.14
3,000
View
250
$3.49
500
$3.29
1,000
$3.17
3,000
$3.06
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
8-bit Microcontrollers - MCU CAN/C51 Boot CAN
AT89C51CC02CA-RATUM
Microchip Technology
1:
$8.17
500 Expected 29/09/2026
Mouser Part No
556-A89C51C02CARATUM
Microchip Technology
8-bit Microcontrollers - MCU CAN/C51 Boot CAN
500 Expected 29/09/2026
1
$8.17
25
$7.50
100
$6.81
Buy
Min.: 1
Mult.: 1
Details
Development Boards & Kits - 8051 Development kit for C8051F02x MCUs
C8051F020DK
Silicon Labs
1:
$109.81
21 On Order
Mouser Part No
634-C8051F020DK
Silicon Labs
Development Boards & Kits - 8051 Development kit for C8051F02x MCUs
21 On Order
View Dates
On Order:
13 Expected 07/10/2026
8 Expected 09/10/2026
Factory Lead Time:
9 Weeks
Buy
Min.: 1
Mult.: 1
Details
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
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
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
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
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
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
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
AT89LP51ID2-20AU
Microchip Technology
1:
$6.03
480 Expected 29/09/2026
Mouser Part No
556-AT89LP51ID2-20AU
Microchip Technology
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
480 Expected 29/09/2026
1
$6.03
25
$5.52
100
$5.00
Buy
Min.: 1
Mult.: 1
Details
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
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
8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V
AT89C2051-12SU
Microchip Technology
1:
$1.51
110 Expected 16/09/2026
Mouser Part No
556-A89C205112SU
Microchip Technology
8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V
110 Expected 16/09/2026
1
$1.51
25
$1.39
111
$1.25
Buy
Min.: 1
Mult.: 1
Details
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V
AT89C4051-12SU
Microchip Technology
1:
$1.50
552 On Order
Mouser Part No
556-A89C405112SU
Microchip Technology
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V
552 On Order
1
$1.50
25
$1.38
111
$1.24
Buy
Min.: 1
Mult.: 1
Details
8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind
AT89C51RB2-3CSUM
Microchip Technology
1:
$7.50
120 Expected 26/10/2026
Mouser Part No
556-A89C51RB2-3CSUM
Microchip Technology
8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind
120 Expected 26/10/2026
1
$7.50
30
$6.88
100
$6.23
Buy
Min.: 1
Mult.: 1
Details
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
AT89LP51ED2-20PU
Microchip Technology
1:
$5.90
140 Expected 10/09/2026
Mouser Part No
556-AT89LP51ED2-20PU
Microchip Technology
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
140 Expected 10/09/2026
1
$5.90
30
$5.40
100
$4.89
Buy
Min.: 1
Mult.: 1
Details
8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU
+1 image
AT89LP52-20JU
Microchip Technology
1:
$3.45
130 Expected 16/09/2026
Mouser Part No
556-AT89LP52-20JU
Microchip Technology
8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU
130 Expected 16/09/2026
1
$3.45
27
$3.16
108
$3.04
Buy
Min.: 1
Mult.: 1
Details
Development Boards & Kits - 8051 EFM8 BB51 Pro Kit
BB51-PK5207B
Silicon Labs
1:
$92.00
6 Expected 29/09/2026
Mouser Part No
634-BB51-PK5207B
Silicon Labs
Development Boards & Kits - 8051 EFM8 BB51 Pro Kit
6 Expected 29/09/2026
Buy
Min.: 1
Mult.: 1
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
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
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