8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB52F32I-C-QFN20R
Silicon Labs
1:
¥196
Non-Stocked Lead-Time 24 Weeks
Mouser Part #
634-EFM852F32IQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 24 Weeks
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2,500
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16 kB
1.28 kB
QFN-20
16 I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
C8051F413-GMR
Silicon Labs
1:
¥2,357
422 In Stock
NRND
Mouser Part #
634-C8051F413-GMR
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
422 In Stock
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2,500
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8051
16 kB
2.31 kB
QFN-28
50 MHz
12 bit
20 I/O
2 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F413
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
+1 image
EFM8UB20F32G-B-QFN32
Silicon Labs
1:
¥551.5
587 In Stock
NRND
Mouser Part #
634-EFM8UBF32GBQFN32
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
587 In Stock
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CIP-51 8051
32 kB
2.25 kB
QFN-32
48 MHz
10 bit
25 I/O
3.3 V
3.3 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB2
Tube
8-bit Microcontrollers - MCU 100MIPS,64KB,10ADC,100Pin MCU
C8051F132-GQ
Silicon Labs
1:
¥5,026.2
60 In Stock
End of Life
Mouser Part #
634-C8051F132-GQ
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 100MIPS,64KB,10ADC,100Pin MCU
60 In Stock
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8051
64 kB
8.25 kB
TQFP-100
100 MHz
10 bit
64 I/O
3 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F132
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
EFM8LB11F32E-C-QFN24
Silicon Labs
1:
¥463.4
723 In Stock
Mouser Part #
634-LB11F32ECQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
723 In Stock
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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 8051 50 MHz 64 kB 8-bit MCU
C8051F385-GM
Silicon Labs
1:
¥1,124.5
257 In Stock
NRND
Mouser Part #
634-C8051F385-GM
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
257 In Stock
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8051
64 kB
4.35 kB
QFN-32
48 MHz
25 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F385
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
C8051F387-GM
Silicon Labs
1:
¥960.1
308 In Stock
NRND
Mouser Part #
634-C8051F387-GM
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
308 In Stock
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8051
32 kB
2.3 kB
QFN-32
48 MHz
25 I/O
2.7 V
5.25 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F387
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB10F8G-A-QFN20R
Silicon Labs
1:
¥152.8
43,706 In Stock
22,500 On Order
Mouser Part #
634-8BB10F8GAQF20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
43,706 In Stock
22,500 On Order
View Dates
Alternative Packaging
Stock:
43,706 Can Ship Immediately
On Order:
13,500 Pending
7,500 Expected 10/21/2026
1,500 Expected 11/3/2026
Factory Lead-Time:
12 Weeks
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Mult.: 1
Reel :
2,500
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
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
+1 image
C8051F340-GQ
Silicon Labs
1:
¥4,215.6
2,229 In Stock
NRND
Mouser Part #
634-C8051F340-GQ
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
2,229 In Stock
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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
Tray
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU
+2 images
C8051F351-GM
Silicon Labs
1:
¥2,664.2
978 In Stock
NRND
Mouser Part #
634-C8051F351-GM
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU
978 In Stock
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8051
8 kB
768 B
QFN-28
50 MHz
24 bit
17 I/O
2.7 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
C8051F351
Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F16G-A-QFN16R
Silicon Labs
1:
¥169.4
1,000 In Stock
Mouser Part #
634-M8BB50F16GAFN16R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
1,000 In Stock
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3,000
Details
16 kB
512 B
QFN-16
50 MHz
12 bit
12 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
BB50
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
EFM8BB50F16G-A-QFN12
Silicon Labs
1:
¥164.4
1,205 In Stock
Mouser Part #
634-M8BB50F16GAQFN12
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
1,205 In Stock
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16 kB
512 B
QFN-12
50 MHz
12 bit
9 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
BB50
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F16G-A-QFN16
Silicon Labs
1:
¥169.4
973 In Stock
Mouser Part #
634-M8BB50F16GAQFN16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
973 In Stock
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16 kB
512 B
QFN-16
50 MHz
12 bit
12 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
BB50
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F16G-A-SOIC16
Silicon Labs
1:
¥199.3
1,544 In Stock
Mouser Part #
634-M8BB50F16GASIC16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
1,544 In Stock
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16 kB
512 B
SOIC-16
50 MHz
12 bit
12 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
BB50
Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F16I-A-SOIC16
Silicon Labs
1:
¥196
959 In Stock
Mouser Part #
634-M8BB50F16IASIC16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
959 In Stock
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16 kB
512 B
SOIC-16
50 MHz
12 bit
12 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
BB50
Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
EFM8BB50F4G-A-QFN12
Silicon Labs
1:
¥124.6
706 In Stock
Mouser Part #
634-M8BB50F4GAQFN12
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
706 In Stock
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Details
4 kB
512 B
QFN-12
50 MHz
12 bit
9 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
BB50
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F4I-A-SOIC16
Silicon Labs
1:
¥169.4
648 In Stock
Mouser Part #
634-M8BB50F4IASOIC16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
648 In Stock
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Details
4 kB
512 B
SOIC-16
50 MHz
12 bit
12 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
BB50
Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F8G-A-SOIC16
Silicon Labs
1:
¥174.4
995 In Stock
Mouser Part #
634-M8BB50F8GASOIC16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
995 In Stock
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8 kB
512 B
SOIC-16
50 MHz
12 bit
12 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Tube
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:
¥142.8
15,521 In Stock
Mouser Part #
634-8BB10F2GAQF20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU
15,521 In Stock
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2,500
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:
¥220.9
2,663 In Stock
6,300 Expected 10/21/2026
Mouser Part #
634-8SB10F2GAQF20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
2,663 In Stock
6,300 Expected 10/21/2026
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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 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
+2 images
EFM8SB10F2G-A-QFN20R
Silicon Labs
1:
¥225.9
3,518 In Stock
16,500 Expected 10/30/2026
Mouser Part #
634-8SB10F2GAQF20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
3,518 In Stock
16,500 Expected 10/30/2026
Alternative Packaging
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Min.: 1
Mult.: 1
Reel :
2,500
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 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
EFM8SB10F8G-A-QFN24R
Silicon Labs
1:
¥290.7
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
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Mult.: 1
Reel :
2,500
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 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32
C8051F502-IMR
Silicon Labs
1:
¥1,916.8
296 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
296 In Stock
Alternative Packaging
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Min.: 1
Mult.: 1
Reel :
2,500
Details
8051
1.8 V
5.25 V
8 bit
C8051F502
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB21F16I-C-QSOP24
Silicon Labs
1:
¥317.3
3,126 In Stock
End of Life
Mouser Part #
634-8BB21F16ICQSOP24
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
3,126 In Stock
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CIP-51 8051
16 kB
2.3 kB
QSOP-24
50 MHz
12 bit
21 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB2
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
C8051F501-IM
Silicon Labs
1:
¥2,112.8
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
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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