8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F8G-C-TSSOP20
Silicon Labs
1:
Rp14.493
297 In Stock
Mouser Part No
634-EFM851F8GCTSOP20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
297 In Stock
Alternative Packaging
1
Rp14.493
10
Rp12.457
25
Rp10.953
200
Rp10.861
600
View
600
Rp9.100
1.000
Rp8.182
4.000
Rp7.870
Buy
Min.: 1
Mult.: 1
Details
16 kB
1.28 kB
TSSOP-20
16 I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU
EFM8BB52F16G-C-QFN32
Silicon Labs
1:
Rp12.842
2.597 In Stock
Mouser Part No
634-EFM852F16GCQFN32
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU
2.597 In Stock
Alternative Packaging
1
Rp12.842
10
Rp10.971
25
Rp10.219
100
Rp8.623
200
View
200
Rp8.604
1.000
Rp7.173
4.000
Rp6.916
8.000
Rp6.861
Buy
Min.: 1
Mult.: 1
Details
16 kB
1.28 kB
QFN-32
12 bit
29I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Cut Tape
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:
Rp15.044
410 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
410 In Stock
Alternative Packaging
1
Rp15.044
10
Rp12.824
25
Rp11.264
200
Rp11.246
600
View
600
Rp9.375
1.000
Rp8.421
4.000
Rp8.109
Buy
Min.: 1
Mult.: 1
Details
16 kB
1.28 kB
TSSOP-20
16 I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F8G-C-QFN20
Silicon Labs
1:
Rp28.069
294 In Stock
Mouser Part No
634-EFM8B51F8GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
294 In Stock
Alternative Packaging
1
Rp28.069
10
Rp14.383
25
Rp14.347
600
Rp9.760
1.000
View
1.000
Rp8.843
4.000
Rp7.999
8.000
Rp7.118
Buy
Min.: 1
Mult.: 1
Details
16 kB
1.28 kB
QFN-20
16 I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB21F16A-C-QFN20
Silicon Labs
1:
Rp49.718
476 In Stock
2.520 Expected 27/03/2026
Mouser Part No
634-EFM8BB21F16FN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
476 In Stock
2.520 Expected 27/03/2026
Alternative Packaging
1
Rp49.718
10
Rp41.645
25
Rp38.710
250
Rp38.160
500
View
500
Rp35.775
1.000
Rp29.721
2.520
Rp28.620
5.040
Rp27.702
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
2.25 kB
QFN-20
50 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB2
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB31F32I-D-4QFN24
Silicon Labs
1:
Rp61.276
475 In Stock
Mouser Part No
634-EF8BB31F32ID4F24
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
475 In Stock
Alternative Packaging
1
Rp61.276
10
Rp40.361
25
Rp37.242
100
Rp32.472
250
View
250
Rp30.454
500
Rp26.602
1.000
Rp22.199
1.911
Rp21.281
5.733
Rp20.914
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
32 kB
2.3 kB
QFN-24
50 MHz
10 bit, 12 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
EFM8BB10F4A-A-QFN20
Silicon Labs
1:
Rp45.498
120 In Stock
Mouser Part No
634-FM8BB10F4AAQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
120 In Stock
Alternative Packaging
1
Rp45.498
10
Rp38.160
25
Rp35.408
100
Rp31.188
250
View
250
Rp24.033
500
Rp23.299
1.000
Rp22.566
2.520
Rp21.465
5.040
Rp20.731
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
4 kB
512 B
25 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB1
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
EFM8BB10F8A-A-QFN20
Silicon Labs
1:
Rp64.945
20 In Stock
Mouser Part No
634-FM8BB10F8AAQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
20 In Stock
Alternative Packaging
1
Rp64.945
10
Rp42.746
25
Rp35.041
100
Rp31.739
250
View
250
Rp30.454
500
Rp27.886
1.000
Rp24.217
2.520
Rp21.832
5.040
Rp21.648
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
8 kB
512 B
25 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB1
AEC-Q100
Tube
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:
Rp39.077
244 In Stock
Mouser Part No
634-M8BB10F4IAQFN20
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
Rp39.077
10
Rp24.951
25
Rp22.382
100
Rp18.328
250
View
250
Rp15.979
500
Rp15.154
1.000
Rp11.154
7.560
Rp10.824
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
4 kB
512 B
QFN-20
25 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB1
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB22F16I-C-QFN28
Silicon Labs
1:
Rp58.524
1 In Stock
Mouser Part No
634-8BB22F16ICQFN28
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
1 In Stock
Alternative Packaging
1
Rp58.524
10
Rp38.160
25
Rp35.041
100
Rp30.087
250
View
250
Rp28.253
500
Rp24.767
1.000
Rp20.548
2.500
Rp19.814
4.599
Rp19.447
Buy
Min.: 1
Mult.: 1
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
+ 125 C
EFM8BB2
Tube
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:
Rp14.493
200 Expected 27/02/2026
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
200 Expected 27/02/2026
Alternative Packaging
1
Rp14.493
10
Rp12.365
100
Rp11.521
200
Rp10.182
600
View
600
Rp9.411
1.000
Rp8.531
4.000
Rp7.705
8.000
Rp6.861
Buy
Min.: 1
Mult.: 1
Details
16 kB
1.28 kB
QFN-20
16 I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
EFM8BB10F8I-A-SOIC16R
Silicon Labs
2.500:
Rp11.668
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-8BB10F8IASOIC16R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
2.500
Rp11.668
7.500
Rp11.264
Buy
Min.: 2.500
Mult.: 2.500
Details
CIP-51 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
+ 125 C
EFM8BB1
Reel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB31F16A-D-4QFN24R
Silicon Labs
1.500:
Rp31.005
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-EF8BB31F16AD424R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1.500
Rp31.005
3.000
Rp30.638
Buy
Min.: 1.500
Mult.: 1.500
Details
CIP-51 8051
16 kB
2.3 kB
QFN-24
50 MHz
10 bit, 12 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Reel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB31F16A-D-4QFN24
Silicon Labs
1.911:
Rp31.005
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-EF8BB31F16AD4F24
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1.911
Rp31.005
5.733
Rp30.638
Buy
Min.: 1.911
Mult.: 1.911
Details
CIP-51 8051
16 kB
2.3 kB
QFN-24
50 MHz
10 bit, 12 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16A-D-5QFN32R
Silicon Labs
1.500:
Rp34.307
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-EF8BB31F16AD532R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1.500
Rp34.307
3.000
Rp33.940
Buy
Min.: 1.500
Mult.: 1.500
Details
CIP-51 8051
16 kB
2.3 kB
QFN-32
50 MHz
10 bit, 12 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Reel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16A-D-5QFN32
Silicon Labs
1.533:
Rp35.041
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-EF8BB31F16AD5F32
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1.533
Rp35.041
3.066
Rp34.307
4.599
Rp33.940
Buy
Min.: 1.533
Mult.: 1.533
Details
CIP-51 8051
16 kB
2.3 kB
QFN-32
50 MHz
10 bit, 12 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16G-D-QFP32R
Silicon Labs
1:
Rp58.524
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-EF8BB31F16GDP32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
Rp58.524
10
Rp38.160
25
Rp35.041
100
Rp30.087
500
Rp24.584
1.000
View
250
Rp28.253
1.000
Rp22.382
2.500
Rp21.648
5.000
Rp21.465
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
2.3 kB
QFP-32
50 MHz
10 bit, 12 bit
28 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB31F16I-D-4QFN24R
Silicon Labs
1.500:
Rp17.502
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-EF8BB31F16ID424R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1.500
Rp17.502
3.000
Rp17.300
Buy
Min.: 1.500
Mult.: 1.500
Details
CIP-51 8051
16 kB
2.3 kB
QFN-24
50 MHz
10 bit, 12 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Reel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB31F16I-D-4QFN24
Silicon Labs
1.911:
Rp17.502
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-EF8BB31F16ID4F24
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1.911
Rp17.502
5.733
Rp17.300
Buy
Min.: 1.911
Mult.: 1.911
Details
CIP-51 8051
16 kB
2.3 kB
QFN-24
50 MHz
10 bit, 12 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16I-D-5QFN32R
Silicon Labs
1:
Rp54.671
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-EF8BB31F16ID532R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
Rp54.671
10
Rp35.591
25
Rp32.656
100
Rp28.069
1.500
Rp18.346
3.000
View
250
Rp26.418
500
Rp23.116
1.000
Rp19.080
3.000
Rp18.309
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
2.3 kB
QFN-32
50 MHz
10 bit, 12 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16I-D-5QFN32
Silicon Labs
1:
Rp54.671
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-EF8BB31F16ID5F32
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
Rp54.671
10
Rp35.591
25
Rp32.656
100
Rp28.069
250
View
250
Rp26.418
500
Rp23.116
1.000
Rp19.080
2.500
Rp18.346
4.599
Rp18.309
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
2.3 kB
QFN-32
50 MHz
10 bit, 12 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB31F16I-D-QFN24R
Silicon Labs
1:
Rp52.470
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-EF8BB31F16IDF24R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
Rp52.470
10
Rp34.124
25
Rp31.005
100
Rp26.051
1.500
Rp17.245
3.000
View
250
Rp24.584
500
Rp21.465
1.000
Rp17.741
3.000
Rp17.043
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
2.3 kB
QFN-24
50 MHz
10 bit, 12 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16I-D-QFN32R
Silicon Labs
2.500:
Rp17.245
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-EF8BB31F16IDN32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
Buy
Min.: 2.500
Mult.: 2.500
Details
CIP-51 8051
16 kB
2.3 kB
QFN-32
50 MHz
10 bit, 12 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Reel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16I-D-QFP32R
Silicon Labs
1:
Rp62.009
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-EF8BB31F16IDP32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
Rp62.009
10
Rp40.912
25
Rp37.793
100
Rp32.839
500
Rp26.602
1.000
View
250
Rp30.821
1.000
Rp22.199
2.500
Rp20.914
5.000
Rp20.548
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
2.3 kB
QFP-32
50 MHz
10 bit, 12 bit
28 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB31F16I-D-QFN24
Silicon Labs
2.520:
Rp16.511
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-EF8BB31F16IDQF24
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
2.520
Rp16.511
5.040
Rp16.493
Buy
Min.: 2.520
Mult.: 2.520
Details
CIP-51 8051
16 kB
2.3 kB
QFN-24
50 MHz
10 bit, 12 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Tube