8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
+2 images
EFM8SB10F4G-A-QFN20
Silicon Labs
1:
$2.48
2 In Stock
Mouser Part No
634-8SB10F4GAQF20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
2 In Stock
Alternative Packaging
1
$2.48
10
$1.16
25
$1.08
100
$1.03
250
View
250
$0.964
500
$0.927
1,000
$0.842
2,100
$0.841
4,200
$0.834
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Mult.: 1
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8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F16I-C-TSSOP20
Silicon Labs
1:
$1.14
146 In Stock
Mouser Part No
634-EFM851F16TSSOP20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
146 In Stock
Alternative Packaging
1
$1.14
10
$0.89
25
$0.791
100
$0.71
200
View
200
$0.664
600
$0.633
1,000
$0.615
2,600
$0.588
5,000
$0.574
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8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F16I-C-QFN20
Silicon Labs
1:
$1.00
194 In Stock
Mouser Part No
634-EFM851F16ICQFN20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
194 In Stock
Alternative Packaging
1
$1.00
10
$0.848
200
$0.607
600
$0.581
1,000
View
1,000
$0.563
2,600
$0.538
5,000
$0.524
Buy
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Mult.: 1
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8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB52F16G-C-TSSOP20
Silicon Labs
1:
$1.14
380 In Stock
Mouser Part No
634-EFM852F16GCTOP20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
380 In Stock
Alternative Packaging
1
$1.14
10
$0.965
25
$0.847
100
$0.774
600
View
600
$0.581
1,000
$0.563
2,600
$0.538
5,000
$0.524
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Mult.: 1
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Development Boards & Kits - 8051 EFM8 BB51 Explorer Kit
BB51-EK2700A
Silicon Labs
1:
$28.18
35 In Stock
Mouser Part No
634-BB51-EK2700A
Silicon Labs
Development Boards & Kits - 8051 EFM8 BB51 Explorer Kit
35 In Stock
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Development Boards & Kits - 8051 EFM8 BB52 Explorer Kit
BB52-EK2701A
Silicon Labs
1:
$27.00
12 In Stock
26 Expected 29/09/2026
Mouser Part No
634-BB52-EK2701A
Silicon Labs
Development Boards & Kits - 8051 EFM8 BB52 Explorer Kit
12 In Stock
26 Expected 29/09/2026
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Mult.: 1
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
+1 image
EFM8UB20F64G-B-QFN32
Silicon Labs
1:
$3.65
325 In Stock
Mouser Part No
634-EFM8UBF64GBQFN32
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
325 In Stock
Alternative Packaging
1
$3.65
10
$2.92
25
$2.58
100
$2.38
250
View
250
$2.36
500
$2.20
1,000
$2.12
2,500
$2.09
4,599
$2.07
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RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHT
CC2510F32RHHR
Texas Instruments
1:
$7.77
20 In Stock
2,500 Expected 17/09/2026
Mouser Part No
595-CC2510F32RHHR
Texas Instruments
RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHT
20 In Stock
2,500 Expected 17/09/2026
Alternative Packaging
1
$7.77
10
$6.74
25
$5.50
100
$5.03
250
View
2,500
$4.25
250
$4.70
500
$4.61
1,000
$4.47
2,500
$4.25
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Mult.: 1
Reel :
2,500
Details
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB52F16G-C-QFN20R
Silicon Labs
1:
$0.94
2,499 In Stock
Mouser Part No
634-EFM852F16GQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
2,499 In Stock
Alternative Packaging
1
$0.94
10
$0.809
25
$0.711
100
$0.672
2,500
$0.488
5,000
View
250
$0.649
500
$0.57
1,000
$0.539
5,000
$0.447
Buy
Min.: 1
Mult.: 1
Reel :
2,500
Details
8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL
AT89LP3240-20AU
Microchip Technology
1:
$10.49
60 In Stock
Mouser Part No
556-AT89LP3240-20AU
Microchip Technology
8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL
60 In Stock
1
$10.49
25
$9.65
100
$9.25
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8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
EFM8BB52F32G-C-QFN32
Silicon Labs
1:
$1.77
1,693 In Stock
Mouser Part No
634-EFM852F32GCQFN32
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
1,693 In Stock
Alternative Packaging
1
$1.77
10
$1.13
25
$1.01
100
$0.829
200
View
200
$0.721
600
$0.684
1,000
$0.574
2,600
$0.524
5,000
$0.508
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8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F16G-C-QFN20R
Silicon Labs
1:
$0.93
1,016 In Stock
7,500 On Order
Mouser Part No
634-EFM851F16GQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
1,016 In Stock
7,500 On Order
Alternative Packaging
1
$0.93
10
$0.669
25
$0.603
100
$0.53
250
View
2,500
$0.474
250
$0.496
500
$0.475
2,500
$0.474
Buy
Min.: 1
Mult.: 1
Reel :
2,500
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB52F16G-C-QFN20
Silicon Labs
1:
$0.92
234 In Stock
Mouser Part No
634-EFM852F16GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
234 In Stock
Alternative Packaging
1
$0.92
10
$0.733
200
$0.522
600
$0.499
1,000
View
1,000
$0.479
2,600
$0.459
5,000
$0.447
Buy
Min.: 1
Mult.: 1
Details
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB10F8G-A-QSOP24
Silicon Labs
1:
$1.76
152 In Stock
End of Life
Mouser Part No
634-8SB10F8GAQS24
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
152 In Stock
Alternative Packaging
1
$1.76
10
$1.45
25
$1.29
100
$1.18
250
View
250
$1.11
500
$1.06
2,352
$1.02
5,880
$1.00
Buy
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Mult.: 1
Details
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
+1 image
EFM8UB20F64G-B-QFN32R
Silicon Labs
1:
$3.90
163 In Stock
Mouser Part No
634-EFM8UB64GBQFN32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
163 In Stock
Alternative Packaging
1
$3.90
10
$3.03
25
$2.70
100
$2.49
1,500
$2.10
3,000
View
250
$2.42
500
$2.26
1,000
$2.14
3,000
$2.08
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB10F4G-A-QFN20
Silicon Labs
1:
$1.11
218 In Stock
Mouser Part No
634-8BB10F4GAQF20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU
218 In Stock
Alternative Packaging
1
$1.11
10
$0.904
25
$0.805
100
$0.79
250
View
250
$0.702
500
$0.648
1,000
$0.637
2,520
$0.606
5,040
$0.599
Buy
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8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F16G-C-QFN20
Silicon Labs
1:
$0.98
151 In Stock
Mouser Part No
634-EFM851F16GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
151 In Stock
Alternative Packaging
1
$0.98
10
$0.768
25
$0.683
100
$0.605
200
View
200
$0.569
600
$0.545
1,000
$0.527
2,600
$0.504
5,000
$0.492
Buy
Min.: 1
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Details
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:
$1.14
1,452 In Stock
Mouser Part No
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
$1.14
10
$0.97
25
$0.854
100
$0.758
200
View
200
$0.717
2,600
$0.50
5,000
$0.484
Buy
Min.: 1
Mult.: 1
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8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU
EFM8BB52F16I-C-QFN32
Silicon Labs
1:
$0.96
1,200 In Stock
2,200 On Order
Mouser Part No
634-EFMB52F16ICQFN32
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU
1,200 In Stock
2,200 On Order
Alternative Packaging
1
$0.96
10
$0.67
25
$0.628
1,000
$0.493
5,000
$0.48
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Mult.: 1
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8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU
EFM8BB52F32I-C-TSSOP28
Silicon Labs
1:
$1.43
76 In Stock
Mouser Part No
634-EFM852F32ICTOP28
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU
76 In Stock
Alternative Packaging
1
$1.43
10
$1.22
25
$1.07
100
$0.811
200
View
200
$0.767
600
$0.736
1,000
$0.703
2,600
$0.684
5,000
$0.667
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Min.: 1
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8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB52F32G-C-QFN20
Silicon Labs
1:
$1.83
2,182 In Stock
Mouser Part No
634-EFM852F32GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
2,182 In Stock
Alternative Packaging
1
$1.83
10
$1.17
25
$1.04
100
$0.855
200
View
200
$0.745
600
$0.706
1,000
$0.593
2,600
$0.541
5,000
$0.524
Buy
Min.: 1
Mult.: 1
Details
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:
$2.10
1,070 In Stock
End of Life
Mouser Part No
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
$2.10
10
$1.67
25
$1.53
100
$1.37
250
View
250
$1.28
500
$1.23
1,000
$1.18
2,500
$1.16
5,000
$1.13
Buy
Min.: 1
Mult.: 1
Details
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
EFM8BB52F32I-C-QFN32
Silicon Labs
1:
$1.20
606 In Stock
Mouser Part No
634-EFM852F32ICQFN32
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
606 In Stock
Alternative Packaging
1
$1.20
10
$1.02
25
$0.895
100
$0.80
600
View
600
$0.738
1,000
$0.598
2,600
$0.571
5,000
$0.557
Buy
Min.: 1
Mult.: 1
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Development Boards & Kits - 8051
EFM8BB1LCK
Silicon Labs
1:
$20.30
4 In Stock
42 On Order
Mouser Part No
634-EFM8BB1LCK
Silicon Labs
Development Boards & Kits - 8051
4 In Stock
42 On Order
View Dates
Stock:
4 Can Dispatch Immediately
On Order:
14 Pending
28 Expected 14/09/2026
Factory Lead Time:
3 Weeks
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Mult.: 1
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
+4 images
EFM8BB10F8G-A-SOIC16
Silicon Labs
1:
$1.16
1,233 In Stock
Mouser Part No
634-8BB10F8GASO16
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
1,233 In Stock
Alternative Packaging
1
$1.16
25
$0.823
100
$0.797
500
$0.723
1,008
View
1,008
$0.645
2,016
$0.588
5,040
$0.566
Buy
Min.: 1
Mult.: 1
Details