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:
¥426.9
8,908 In Stock
Mouser Part # 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
¥426.9
10
¥275.7
25
¥245.8
100
¥202.6
1,500
¥135.5
3,000
View
250
¥191
500
¥166.1
1,000
¥145.7
3,000
¥132.5
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:
¥299
3,031 In Stock
Mouser Part # 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
¥299
10
¥249.2
25
¥214.3
100
¥202.6
1,500
¥155.5
3,000
View
250
¥199.3
500
¥177.7
1,000
¥161.1
3,000
¥153.6
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:
¥1,956.7
766 In Stock
Mouser Part # 634-C8051F353-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU
766 In Stock
Alternative Packaging
1
¥1,956.7
10
¥1,622.8
25
¥1,405.2
100
¥1,348.7
500
View
500
¥1,265.7
1,000
¥1,200.9
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:
¥1,124.5
900 In Stock
Mouser Part # 634-C8051F381-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
900 In Stock
Alternative Packaging
1
¥1,124.5
10
¥933.5
25
¥802.3
100
¥765.7
250
View
250
¥735.8
500
¥714.2
1,000
¥676
2,500
¥669.4
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:
¥656.1
2,037 In Stock
1,911 Expected 11/2/2026
Mouser Part # 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 11/2/2026
Alternative Packaging
1
¥656.1
10
¥548.1
25
¥460.1
100
¥438.5
250
View
250
¥426.9
500
¥410.3
1,000
¥385.4
1,911
¥370.4
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:
¥1,978.3
548 In Stock
Mouser Part # 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
¥1,978.3
10
¥1,639.4
25
¥1,420.2
100
¥1,363.7
500
View
500
¥1,280.6
1,000
¥1,214.2
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:
¥2,272.2
301 In Stock
Mouser Part # 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
¥2,272.2
10
¥1,725.8
25
¥1,654.4
100
¥1,458.4
250
View
1,500
¥1,179.3
250
¥1,386.9
500
¥1,297.2
1,000
¥1,247.4
1,500
¥1,179.3
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:
¥1,817.1
583 In Stock
Mouser Part # 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
¥1,817.1
10
¥1,504.9
100
¥1,320.5
250
¥1,260.7
500
View
500
¥1,169.3
1,000
¥1,041.4
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:
¥1,478.3
514 In Stock
1,911 Expected 9/1/2026
Mouser Part # 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 9/1/2026
Alternative Packaging
1
¥1,478.3
10
¥1,225.8
25
¥1,041.4
100
¥998.3
500
View
500
¥941.8
1,000
¥892
1,911
¥867
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:
¥1,632.8
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 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
¥1,632.8
10
¥1,240.8
25
¥1,149.4
100
¥1,028.2
250
View
250
¥981.7
500
¥895.3
1,000
¥825.5
1,911
¥790.6
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:
¥6,655.6
3,980 In Stock
End of Life
Mouser Part # 634-C8051F061-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64KB,16ADC,CAN,64Pin MCU
3,980 In Stock
Alternative Packaging
1
¥6,655.6
10
¥5,572.7
25
¥5,187.3
100
¥4,778.7
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:
¥8,459.5
521 In Stock
End of Life
Mouser Part # 634-C8051F120-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU
521 In Stock
Alternative Packaging
1
¥8,459.5
10
¥6,996.1
25
¥6,702.1
100
¥6,346.7
250
¥5,898.2
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:
¥8,143.9
1,248 In Stock
End of Life
Mouser Part # 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
¥8,143.9
10
¥6,803.5
25
¥6,471.3
100
¥5,921.5
250
View
250
¥5,801.9
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:
¥2,149.3
600 In Stock
End of Life
Mouser Part # 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
¥2,149.3
10
¥1,769
25
¥1,601.2
100
¥1,489.9
250
View
250
¥1,445.1
500
¥1,337.1
903
¥1,335.4
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:
¥2,655.9
5,023 In Stock
End of Life
Mouser Part # 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
¥2,655.9
10
¥2,204.1
25
¥1,920.1
100
¥1,865.3
250
View
250
¥1,773.9
500
¥1,659.3
1,000
¥1,594.6
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:
¥747.5
1,161 In Stock
End of Life
Mouser Part # 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
¥747.5
10
¥495
25
¥451.8
100
¥383.7
250
View
250
¥363.8
500
¥328.9
1,000
¥322.2
2,500
¥280.7
4,599
¥275.7
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:
¥450.1
375 In Stock
NRND
Mouser Part # 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
¥450.1
10
¥377
25
¥332.2
100
¥305.6
250
View
250
¥290.7
500
¥280.7
1,008
¥259.1
2,016
¥250.8
5,040
¥244.2
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:
¥418.6
2,666 In Stock
Mouser Part # 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
¥418.6
10
¥323.9
25
¥294
100
¥249.2
1,500
¥207.6
3,000
View
500
¥222.6
1,000
¥207.6
3,000
¥174.4
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:
¥325.6
7,678 In Stock
7,500 Expected 12/7/2026
Mouser Part # 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 12/7/2026
Alternative Packaging
1
¥325.6
10
¥269.1
25
¥247.5
100
¥219.3
250
View
2,500
¥152.8
250
¥202.6
500
¥192.7
1,000
¥179.4
2,500
¥152.8
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:
¥513.2
1,894 In Stock
49,500 On Order
Mouser Part # 634-8UB10F16GCQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
1,894 In Stock
49,500 On Order
View Dates
Alternative Packaging
Stock:
1,894 Can Ship Immediately
On Order:
9,000 Pending
40,500 Expected 1/8/2027
Factory Lead-Time:
31 Weeks
1
¥513.2
10
¥373.7
25
¥337.2
100
¥304
250
View
1,500
¥250.8
250
¥299
500
¥267.4
1,000
¥250.8
1,500
¥250.8
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:
¥450.1
4,493 In Stock
Mouser Part # 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
¥450.1
10
¥378.7
25
¥332.2
100
¥313.9
1,500
¥215.9
3,000
View
250
¥308.9
500
¥274.1
1,000
¥240.8
3,000
¥209.3
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:
¥295.7
2,547 In Stock
5,040 Expected 9/11/2026
Mouser Part # 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 9/11/2026
Alternative Packaging
1
¥295.7
10
¥250.8
25
¥232.5
100
¥204.3
250
View
250
¥189.4
500
¥176.1
1,000
¥152.6
2,520
¥142
5,040
¥139
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:
¥2,172.6
860 In Stock
3,000 Expected 11/27/2026
Mouser Part # 634-C8051F311-GMR
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU
860 In Stock
3,000 Expected 11/27/2026
Alternative Packaging
1
¥2,172.6
10
¥1,702.5
25
¥1,569.6
100
¥1,433.4
250
View
1,500
¥1,174.3
250
¥1,395.2
500
¥1,295.6
1,000
¥1,210.9
1,500
¥1,174.3
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:
¥2,519.7
208 In Stock
1,533 Expected 11/27/2026
Mouser Part # 634-C8051F321-GM
Silicon Labs
8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN28 OTP available (T321-GM)
208 In Stock
1,533 Expected 11/27/2026
Alternative Packaging
1
¥2,519.7
10
¥2,058
25
¥1,820.5
100
¥1,729.1
250
View
250
¥1,685.9
500
¥1,596.2
1,000
¥1,506.5
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:
¥1,916.8
1,458 In Stock
Mouser Part # 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
¥1,916.8
10
¥1,558
25
¥1,368.7
100
¥1,303.9
500
View
1,500
¥1,119.5
500
¥1,230.8
1,000
¥1,121.2
1,500
¥1,119.5
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
Japan