8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
EFM8BB50F8G-A-QFN12
Silicon Labs
1:
£1.50
10,835 In Stock
Mouser Part No
634-M8BB50F8GAQFN12
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
10,835 In Stock
Alternative Packaging
1
£1.50
10
£0.917
25
£0.773
100
£0.582
200
View
200
£0.448
600
£0.441
1,000
£0.396
2,600
£0.382
Buy
Min.: 1
Mult.: 1
Details
8 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:
£0.759
973 In Stock
Mouser Part No
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
Alternative Packaging
1
£0.759
10
£0.649
25
£0.603
100
£0.592
200
View
200
£0.482
600
£0.468
1,000
£0.416
2,600
£0.378
5,000
£0.368
Buy
Min.: 1
Mult.: 1
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
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:
£0.899
1,548 In Stock
Mouser Part No
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
1,548 In Stock
Alternative Packaging
1
£0.899
10
£0.773
25
£0.716
100
£0.598
250
View
250
£0.526
500
£0.501
1,008
£0.426
2,016
£0.393
5,040
£0.379
Buy
Min.: 1
Mult.: 1
Details
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:
£0.934
961 In Stock
Mouser Part No
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
961 In Stock
Alternative Packaging
1
£0.934
10
£0.796
25
£0.735
100
£0.656
250
View
250
£0.61
500
£0.554
1,008
£0.514
2,016
£0.471
5,040
£0.453
Buy
Min.: 1
Mult.: 1
Details
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:
£0.586
706 In Stock
Mouser Part No
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
Alternative Packaging
1
£0.586
10
£0.503
25
£0.469
200
£0.443
600
View
600
£0.388
1,000
£0.348
2,600
£0.307
5,000
£0.281
Buy
Min.: 1
Mult.: 1
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:
£0.759
663 In Stock
Mouser Part No
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
663 In Stock
Alternative Packaging
1
£0.759
10
£0.649
25
£0.603
100
£0.539
250
View
250
£0.50
500
£0.453
1,008
£0.416
2,016
£0.378
5,040
£0.368
Buy
Min.: 1
Mult.: 1
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:
£0.834
1,005 In Stock
Mouser Part No
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
1,005 In Stock
Alternative Packaging
1
£0.834
10
£0.711
25
£0.66
100
£0.588
250
View
250
£0.547
500
£0.497
1,008
£0.458
2,016
£0.418
5,040
£0.405
Buy
Min.: 1
Mult.: 1
Details
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 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
EFM8BB50F16I-A-QFN12
Silicon Labs
1:
£0.759
200 In Stock
Mouser Part No
634-M8BB50F16IAQFN12
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
200 In Stock
Alternative Packaging
1
£0.759
25
£0.707
100
£0.615
200
£0.507
600
View
600
£0.468
1,000
£0.416
2,600
£0.378
5,000
£0.368
Buy
Min.: 1
Mult.: 1
Details
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
+ 125 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
EFM8BB50F16I-A-QFN16
Silicon Labs
1:
£0.78
96 In Stock
Mouser Part No
634-M8BB50F16IAQFN16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
96 In Stock
Alternative Packaging
1
£0.78
10
£0.669
25
£0.608
100
£0.512
200
View
200
£0.45
600
£0.429
1,000
£0.366
2,600
£0.337
5,000
£0.327
Buy
Min.: 1
Mult.: 1
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
+ 125 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
EFM8BB50F4G-A-QFN16
Silicon Labs
1:
£0.736
356 In Stock
Mouser Part No
634-M8BB50F4GAQFN16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
356 In Stock
Alternative Packaging
1
£0.736
10
£0.629
25
£0.586
100
£0.535
200
View
200
£0.463
600
£0.378
1,000
£0.364
2,600
£0.321
5,000
£0.293
Buy
Min.: 1
Mult.: 1
Details
4 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-QFN16R
Silicon Labs
1:
£1.25
1,000 Expected 07/08/2026
Mouser Part No
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 Expected 07/08/2026
Alternative Packaging
1
£1.25
10
£0.796
25
£0.707
100
£0.582
250
View
3,000
£0.352
250
£0.507
500
£0.48
1,000
£0.404
3,000
£0.352
Buy
Min.: 1
Mult.: 1
Reel :
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:
£0.736
1,207 On Order
Mouser Part No
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
1,207 On Order
View Dates
Alternative Packaging
On Order:
407 Pending
800 Expected 04/08/2026
Factory Lead Time:
12 Weeks
1
£0.736
10
£0.628
25
£0.57
100
£0.49
200
View
200
£0.467
600
£0.453
1,000
£0.401
2,600
£0.314
5,000
£0.305
Buy
Min.: 1
Mult.: 1
Details
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 9 GPIO BB5 8-bit MCU
EFM8BB50F16G-A-QFN12R
Silicon Labs
3,000:
£0.348
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F16GAFN12R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
3,000
£0.348
6,000
£0.333
Buy
Min.: 3,000
Mult.: 3,000
Reel :
3,000
Details
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
Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F16G-A-SOIC16R
Silicon Labs
2,500:
£0.421
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F16GSIC16R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
2,500
£0.421
5,000
£0.415
Buy
Min.: 2,500
Mult.: 2,500
Reel :
2,500
Details
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
Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
EFM8BB50F16I-A-QFN12R
Silicon Labs
1:
£1.50
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F16IAFN12R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
£1.50
10
£0.917
25
£0.773
100
£0.587
3,000
£0.352
6,000
View
250
£0.507
500
£0.445
1,000
£0.40
6,000
£0.322
Buy
Min.: 1
Mult.: 1
Reel :
3,000
Details
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
+ 125 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F16I-A-QFN16R
Silicon Labs
3,000:
£0.361
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F16IAFN16R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
3,000
£0.361
6,000
£0.355
Buy
Min.: 3,000
Mult.: 3,000
Reel :
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
+ 125 C
Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F16I-A-SOIC16R
Silicon Labs
2,500:
£0.433
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F16IAIC16R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
2,500
£0.433
5,000
£0.426
Buy
Min.: 2,500
Mult.: 2,500
Reel :
2,500
Details
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
Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
EFM8BB50F4G-A-QFN12R
Silicon Labs
3,000:
£0.274
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F4GAQFN12R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
3,000
£0.274
6,000
£0.261
Buy
Min.: 3,000
Mult.: 3,000
Reel :
3,000
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
Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F4G-A-QFN16R
Silicon Labs
3,000:
£0.287
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F4GAQFN16R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
3,000
£0.287
6,000
£0.273
Buy
Min.: 3,000
Mult.: 3,000
Reel :
3,000
Details
4 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
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F4G-A-SOIC16R
Silicon Labs
2,500:
£0.348
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F4GASIC16R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
2,500
£0.348
5,000
£0.333
Buy
Min.: 2,500
Mult.: 2,500
Reel :
2,500
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
+ 85 C
BB50
Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F4G-A-SOIC16
Silicon Labs
1:
£0.736
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F4GASOIC16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
£0.736
10
£0.628
25
£0.584
100
£0.521
250
View
250
£0.485
500
£0.43
1,008
£0.40
2,016
£0.366
5,040
£0.343
Buy
Min.: 1
Mult.: 1
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
+ 85 C
Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
EFM8BB50F4I-A-QFN12
Silicon Labs
1:
£0.608
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F4IAQFN12
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
£0.608
10
£0.524
25
£0.488
100
£0.475
200
View
200
£0.389
600
£0.363
1,000
£0.338
2,600
£0.303
5,000
£0.285
Buy
Min.: 1
Mult.: 1
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
+ 125 C
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
EFM8BB50F4I-A-QFN12R
Silicon Labs
3,000:
£0.287
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F4IAQFN12R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
3,000
£0.287
6,000
£0.273
Buy
Min.: 3,000
Mult.: 3,000
Reel :
3,000
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
+ 125 C
BB50
Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F4I-A-QFN16
Silicon Labs
1:
£0.638
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F4IAQFN16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
1
£0.638
10
£0.545
25
£0.507
100
£0.496
200
View
200
£0.405
600
£0.379
1,000
£0.351
2,600
£0.315
5,000
£0.297
Buy
Min.: 1
Mult.: 1
Details
4 kB
512 B
QFN-16
50 MHz
12 bit
12 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 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-QFN16R
Silicon Labs
3,000:
£0.299
Non-Stocked Lead-Time 12 Weeks
Mouser Part No
634-M8BB50F4IAQFN16R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Non-Stocked Lead-Time 12 Weeks
Alternative Packaging
3,000
£0.299
6,000
£0.285
Buy
Min.: 3,000
Mult.: 3,000
Reel :
3,000
Details
4 kB
512 B
QFN-16
50 MHz
12 bit
12 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Reel