8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU
+1 image
C8051F021-GQ
Silicon Labs
1:
¥6,918.1
58 In Stock
End of Life
Mouser Part #
634-C8051F021-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU
58 In Stock
Alternative Packaging
1
¥6,918.1
10
¥5,688.9
25
¥5,360
100
¥5,185.6
250
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250
¥5,012.9
500
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SMD/SMT
TQFP-64
8051
64 kB
8 bit
8 bit, 12 bit
25 MHz
32 I/O
4.35 kB
2.7 V
3.6 V
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU
+1 image
C8051F021-GQR
Silicon Labs
1:
¥6,977.9
379 In Stock
End of Life
Mouser Part #
634-C8051F021-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU
379 In Stock
Alternative Packaging
1
¥6,977.9
10
¥5,697.2
25
¥5,305.2
100
¥5,185.6
250
¥4,708.9
500
¥4,707.3
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Reel :
500
Details
SMD/SMT
TQFP-64
8051
64 kB
8 bit
8 bit, 12 bit
25 MHz
32 I/O
4.35 kB
2.7 V
3.6 V
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU
C8051F064-GQR
Silicon Labs
1:
¥5,190.6
115 In Stock
End of Life
Mouser Part #
634-C8051F064-GQR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU
115 In Stock
Alternative Packaging
1
¥5,190.6
10
¥4,149.2
25
¥3,888.4
100
¥3,617.7
250
¥3,616
500
View
500
¥3,582.8
5,000
Quote
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250
Details
SMD/SMT
TQFP-100
8051
64 kB
8 bit
16 bit
25 MHz
59 I/O
4.25 kB
2.7 V
3.6 V
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
C8051F500-IM
Silicon Labs
1:
¥2,182.6
181 In Stock
End of Life
Mouser Part #
634-C8051F500-IM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
181 In Stock
Alternative Packaging
1
¥2,182.6
10
¥1,901.8
25
¥1,591.2
100
¥1,461.7
250
View
250
¥1,453.4
500
¥1,405.2
903
¥1,386.9
2,709
Quote
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SMD/SMT
QFN-48
8051
64 kB
8 bit
12 bit
50 MHz
40 I/O
4.25 kB
1.8 V
5.25 V
- 40 C
+ 125 C
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V LIN 8-bit MCU
+2 images
C8051F530-C-IM
Silicon Labs
1:
¥960.1
793 In Stock
End of Life
Mouser Part #
634-C8051F530-C-IM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V LIN 8-bit MCU
793 In Stock
Alternative Packaging
1
¥960.1
10
¥730.8
25
¥674.4
100
¥611.2
250
View
250
¥581.4
500
¥573
1,911
¥564.7
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Details
SMD/SMT
QFN-20
8051
8 kB
8 bit
12 bit
25 MHz
16 I/O
256 B
2 V
5.25 V
- 40 C
+ 125 C
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
+1 image
C8051F580-IQ
Silicon Labs
1:
¥2,968.2
381 In Stock
2,500 Expected 1/29/2027
End of Life
Mouser Part #
634-C8051F580-IQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
381 In Stock
2,500 Expected 1/29/2027
Alternative Packaging
1
¥2,968.2
10
¥2,463.3
25
¥2,199.2
100
¥2,111.1
250
View
250
¥2,013.1
500
¥1,953.3
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SMD/SMT
PQFP-48
8051
128 kB
8 bit
12 bit
50 MHz
40 I/O
8.25 kB
1.8 V
5.25 V
- 40 C
+ 125 C
AEC-Q100
Tray
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
+3 images
C8051F920-G-GM
Silicon Labs
1:
¥807.2
63 In Stock
End of Life
Mouser Part #
634-C8051F920-G-GM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
63 In Stock
Alternative Packaging
1
¥807.2
10
¥636.2
25
¥566.4
100
¥523.2
250
View
250
¥485
500
¥476.7
1,000
¥461.8
2,500
¥455.1
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SMD/SMT
QFN-32
8051
32 kB
8 bit
10 bit
25 MHz
24 I/O
4.25 kB
900 mV
3.6 V
- 40 C
+ 85 C
Tube
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
+3 images
C8051F920-G-GMR
Silicon Labs
1:
¥779
1,318 In Stock
End of Life
Mouser Part #
634-C8051F920-G-GMR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
1,318 In Stock
Alternative Packaging
1
¥779
10
¥647.8
25
¥601.3
100
¥541.5
1,500
¥455.1
3,000
View
250
¥509.9
500
¥495
1,000
¥461.8
3,000
¥446.8
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Min.: 1
Mult.: 1
Reel :
1,500
Details
SMD/SMT
QFN-32
8051
32 kB
8 bit
10 bit
25 MHz
24 I/O
4.25 kB
900 mV
3.6 V
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24
+1 image
C8051F921-G-GMR
Silicon Labs
1:
¥715.9
996 In Stock
End of Life
Mouser Part #
634-C8051F921-G-GMR
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24
996 In Stock
Alternative Packaging
1
¥715.9
10
¥561.4
25
¥509.9
100
¥465.1
250
View
1,500
¥400.3
250
¥428.5
500
¥425.2
1,000
¥411.9
1,500
¥400.3
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
SMD/SMT
QFN-24
8051
32 kB
8 bit
10 bit
25 MHz
16 I/O
4.25 kB
900 mV
3.6 V
- 40 C
+ 85 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
C8051F930-G-GM
Silicon Labs
1:
¥930.2
729 In Stock
End of Life
Mouser Part #
634-C8051F930-G-GM
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
729 In Stock
Alternative Packaging
1
¥930.2
10
¥737.5
25
¥657.8
100
¥609.6
250
View
250
¥594.6
500
¥564.7
1,000
¥559.8
2,500
¥548.1
4,599
Quote
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SMD/SMT
QFN-32
8051
64 kB
8 bit
10 bit
25 MHz
24 I/O
4.25 kB
1.8 V
3.6 V
- 40 C
+ 85 C
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16G-D-QFP32
Silicon Labs
1:
¥348.8
1,070 In Stock
End of Life
Mouser Part #
634-EF8BB31F16GDQP32
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
1,070 In Stock
Alternative Packaging
1
¥348.8
10
¥277.4
25
¥254.1
100
¥227.6
250
View
250
¥212.6
500
¥204.3
1,000
¥196
2,500
¥192.7
5,000
¥187.7
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFP-32
CIP-51 8051
16 kB
8 bit
10 bit, 12 bit
50 MHz
28 I/O
2.3 kB
2.2 V
3.6 V
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64I-D-5QFN32
Silicon Labs
1:
¥747.5
1,358 In Stock
End of Life
Mouser Part #
634-EF8BB31F64ID5F32
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
1,358 In Stock
Alternative Packaging
1
¥747.5
10
¥495
25
¥451.8
100
¥383.7
250
View
250
¥363.8
500
¥327.2
1,000
¥304
2,500
¥282.4
4,599
¥280.7
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFN-32
CIP-51 8051
64 kB
8 bit
10 bit, 12 bit
50 MHz
29 I/O
4.35 kB
2.2 V
3.6 V
- 40 C
+ 125 C
Tube
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU
+2 images
EFM32JG1B200F128GM48-C0
Silicon Labs
1:
¥762.4
1,102 In Stock
End of Life
Mouser Part #
634-JG1B200F128GM48C
End of Life
Silicon Labs
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU
1,102 In Stock
Alternative Packaging
1
¥762.4
10
¥602.9
25
¥556.4
100
¥466.7
250
View
250
¥456.8
2,600
¥455.1
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFN-48
ARM Cortex M3
128 kB
32 bit
12 bit
40 MHz
32 I/O
32 kB
1.85 V
3.8 V
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB10F4I-A-QFN20
Silicon Labs
1:
¥214.3
244 In Stock
End of Life
Mouser Part #
634-M8BB10F4IAQFN20
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
244 In Stock
Alternative Packaging
1
¥214.3
10
¥155.3
25
¥140.5
100
¥124.1
250
View
250
¥116.3
500
¥111.6
1,000
¥106.6
2,520
¥106.3
5,040
¥105
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFN-20
CIP-51 8051
4 kB
8 bit
12 bit
25 MHz
16 I/O
512 B
2.2 V
3.6 V
- 40 C
+ 125 C
Tube
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 128 kB MCU
360°
+6 images
EFM32PG1B200F128GM48-C0
Silicon Labs
1:
¥837.1
688 In Stock
End of Life
Mouser Part #
634-PG1B200F128GM48C
End of Life
Silicon Labs
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 128 kB MCU
688 In Stock
Alternative Packaging
1
¥837.1
10
¥666.1
25
¥624.5
100
¥578
250
View
250
¥569.7
2,600
¥568.1
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFN-48
ARM Cortex M4
128 kB
32 bit
12 bit
40 MHz
32 I/O
32 kB
1.85 V
3.8 V
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB21F16G-C-QFN20
Silicon Labs
1:
¥267.4
110 In Stock
2,520 Expected 1/8/2027
Mouser Part #
634-8BB21F16GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
110 In Stock
2,520 Expected 1/8/2027
Alternative Packaging
1
¥267.4
10
¥227.6
25
¥199.3
100
¥186
250
¥164.8
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFN-20
CIP-51 8051
16 kB
8 bit
12 bit
50 MHz
16 I/O
2.3 kB
2.2 V
3.6 V
- 40 C
+ 85 C
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB21F16G-C-QFN20R
Silicon Labs
1:
¥274.1
34 In Stock
58,500 Expected 1/8/2027
Mouser Part #
634-8BB21F16GCQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
34 In Stock
58,500 Expected 1/8/2027
Alternative Packaging
1
¥274.1
10
¥232.5
25
¥204.3
100
¥189.4
500
¥167.8
1,500
¥155.6
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
SMD/SMT
QFN-20
CIP-51 8051
16 kB
8 bit
12 bit
50 MHz
16 I/O
2.3 kB
2.2 V
3.6 V
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB22F16G-C-QFN28
Silicon Labs
1:
¥348.8
1,412 In Stock
Mouser Part #
634-8BB22F16GCQFN28
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
1,412 In Stock
Alternative Packaging
1
¥348.8
10
¥294
25
¥250.8
100
¥237.5
250
View
250
¥232.5
500
¥206
2,500
¥164.4
4,599
¥160.8
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFN-28
CIP-51 8051
16 kB
8 bit
12 bit
50 MHz
22 I/O
2.3 kB
2.2 V
3.6 V
- 40 C
+ 85 C
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB10F16G-C-QFN20
Silicon Labs
1:
¥428.5
181 In Stock
Mouser Part #
634-8UB10F16GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
181 In Stock
Alternative Packaging
1
¥428.5
10
¥360.4
25
¥315.6
100
¥295.7
250
¥264.1
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Min.: 1
Mult.: 1
Details
SMD/SMT
QFN-20
CIP-51 8051
16 kB
8 bit
12 bit
50 MHz
13 I/O
2.25 kB
2.2 V
3.6 V
- 40 C
+ 85 C
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB21F16I-C-QFN20R
Silicon Labs
1:
¥307.3
166 In Stock
Mouser Part #
634-BB21F16ICQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
166 In Stock
Alternative Packaging
1
¥307.3
10
¥260.8
25
¥229.2
100
¥215.9
250
View
1,500
¥150
250
¥172.7
500
¥165.3
1,000
¥150
1,500
¥150
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
SMD/SMT
QFN-20
CIP-51 8051
16 kB
8 bit
12 bit
50 MHz
16 I/O
2.25 kB
2.2 V
3.6 V
- 40 C
+ 125 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU
C8051F338-GM
Silicon Labs
1:
¥1,875.3
57 In Stock
Mouser Part #
634-C8051F338-GM
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU
57 In Stock
Alternative Packaging
1
¥1,875.3
10
¥1,478.3
25
¥1,360.4
100
¥1,249.1
250
View
250
¥1,195.9
500
¥1,162.7
1,000
¥1,134.5
1,911
Quote
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFN-24
8051
16 kB
8 bit
10 bit
25 MHz
21 I/O
768 B
2.7 V
3.6 V
- 40 C
+ 85 C
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16G-D-QFN32
Silicon Labs
1:
¥292.3
1,444 In Stock
Mouser Part #
634-EF8BB31F16GDQN32
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
1,444 In Stock
Alternative Packaging
1
¥292.3
10
¥247.5
25
¥217.6
100
¥206
250
View
250
¥182.7
500
¥174.4
1,000
¥167.8
2,450
¥160.8
4,900
¥159
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFN-32
CIP-51 8051
16 kB
8 bit
10 bit, 12 bit
50 MHz
29 I/O
2.3 kB
2.2 V
3.6 V
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64G-D-QFN32
Silicon Labs
1:
¥443.5
88 In Stock
9,800 On Order
Mouser Part #
634-EF8BB31F64GDQN32
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
88 In Stock
9,800 On Order
View Dates
Alternative Packaging
On Order:
4,900 Expected 10/16/2026
4,900 Expected 10/30/2026
Factory Lead-Time:
16 Weeks
1
¥443.5
10
¥328.9
25
¥300.6
100
¥269.1
250
View
250
¥254.1
500
¥245.8
1,000
¥235.9
2,450
¥230.9
4,900
¥224.2
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFN-32
CIP-51 8051
64 kB
8 bit
10 bit, 12 bit
50 MHz
29 I/O
4.35 kB
2.2 V
3.6 V
- 40 C
+ 85 C
Tray
ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU
EFM32TG11B120F128GQ48-B
Silicon Labs
1:
¥883.7
35 In Stock
1,250 On Order
Mouser Part #
634-EFM32TG128GQ48-B
Silicon Labs
ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU
35 In Stock
1,250 On Order
Alternative Packaging
1
¥883.7
10
¥697.6
25
¥627.9
100
¥581.4
250
View
250
¥549.8
500
¥536.5
1,000
¥519.9
2,500
¥495
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
QFP-48
ARM Cortex M0+
128 kB
32 bit
12 bit
48 MHz
37 I/O
32 kB
1.8 V
3.8 V
- 40 C
+ 85 C
Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F16G-C-TSSOP20
Silicon Labs
1:
¥189.4
1,452 In Stock
Mouser Part #
634-EFM8516GCTSSOP20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
1,452 In Stock
Alternative Packaging
1
¥189.4
10
¥161.1
25
¥141.8
100
¥125.9
200
View
200
¥119.1
2,600
¥83.1
5,000
¥80.4
Buy
Min.: 1
Mult.: 1
Details
SMD/SMT
TSSOP-20
16 kB
16 I/O
1.28 kB
1.8 V
5.5 V
- 40 C
+ 85 C
Cut Tape