8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
+1 image
EFM8UB20F32G-B-QFN32R
Silicon Labs
1:
NT$119.74
10,557 In Stock
Mouser Part #
634-EFM8UB32GBQFN32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
10,557 In Stock
Alternative Packaging
1
NT$119.74
10
NT$97.87
25
NT$90.34
100
NT$79.95
1,500
NT$60.23
3,000
View
250
NT$74.57
500
NT$71.34
1,000
NT$62.74
3,000
NT$59.15
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
EFM8UB2
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU
+2 images
EFM8UB10F8G-C-QFN20R
Silicon Labs
1:
NT$50.91
52,913 In Stock
Mouser Part #
634-8UB10F8GCQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU
52,913 In Stock
Alternative Packaging
1
NT$50.91
10
NT$39.79
100
NT$35.78
250
NT$33.34
1,500
NT$29.65
3,000
View
500
NT$31.76
1,000
NT$31.05
3,000
NT$27.43
9,000
NT$27.07
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
8 kB
2.25 kB
QFN-20
50 MHz
12 bit
13 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
EFM8LB12F64E-C-QFN24
Silicon Labs
1:
NT$114.00
13,233 In Stock
Mouser Part #
634-LB12F64ECQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
13,233 In Stock
Alternative Packaging
1
NT$114.00
10
NT$95.36
25
NT$88.55
100
NT$78.51
250
View
250
NT$72.78
500
NT$70.62
1,000
NT$64.89
2,520
NT$60.59
5,040
NT$59.87
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
64 kB
4.25 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 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
EFM8SB10F8A-A-QFN24
Silicon Labs
1:
NT$86.76
1,531 In Stock
Mouser Part #
634-FM8SB10F8AAQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
1,531 In Stock
Alternative Packaging
1
NT$86.76
10
NT$79.59
25
NT$78.15
100
NT$76.36
250
View
250
NT$75.64
500
NT$74.57
1,000
NT$65.25
1,911
NT$64.53
5,733
NT$63.45
Buy
Min.: 1
Mult.: 1
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
EFM8SB
AEC-Q100
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB20F64G-B-QFN24
Silicon Labs
1:
NT$97.87
2,683 In Stock
Mouser Part #
634-EFM8SBF64GBQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
2,683 In Stock
Alternative Packaging
1
NT$97.87
10
NT$82.10
25
NT$68.83
100
NT$65.25
250
View
250
NT$63.45
500
NT$60.95
1,000
NT$57.00
1,911
NT$54.13
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QFN-24
25 MHz
10 bit
16 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8SB
Tube
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB20F32G-B-QFP48
Silicon Labs
1:
NT$127.27
7,873 In Stock
End of Life
Mouser Part #
634-EFM8UBF32GBQFP48
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
7,873 In Stock
Alternative Packaging
1
NT$127.27
10
NT$106.12
25
NT$98.59
250
NT$97.51
500
View
500
NT$87.47
1,000
NT$72.78
2,500
NT$71.34
5,000
NT$70.62
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
32 kB
2.25 kB
QFP-48
48 MHz
10 bit
40 I/O
3.3 V
3.3 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB2
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
EFM8LB11F16E-C-QFN24
Silicon Labs
1:
NT$126.91
2,259 In Stock
Mouser Part #
634-LB11F16ECQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
2,259 In Stock
Alternative Packaging
1
NT$126.91
10
NT$83.53
25
NT$77.44
100
NT$67.40
250
View
250
NT$63.10
500
NT$55.21
1,000
NT$46.61
2,520
NT$44.45
5,040
NT$43.38
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
1.25 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
EFM8LB10F16ES1-C-QFN24R
Silicon Labs
1:
NT$114.00
1,368 In Stock
Mouser Part #
634-LB10F16ES1CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
1,368 In Stock
Alternative Packaging
1
NT$114.00
10
NT$74.21
25
NT$68.12
100
NT$58.44
1,500
NT$39.08
3,000
View
250
NT$54.85
500
NT$48.04
1,000
NT$40.51
3,000
NT$37.64
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
16 kB
1.25 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
Reel, Cut Tape
8-bit Microcontrollers - MCU
EFM8LB11F16ES0-C-QFN24R
Silicon Labs
1:
NT$126.91
1,500 In Stock
Mouser Part #
634-LB11F16ES0CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
1,500 In Stock
Alternative Packaging
1
NT$126.91
10
NT$83.53
25
NT$77.44
100
NT$67.40
1,500
NT$45.53
3,000
View
250
NT$63.10
500
NT$55.21
1,000
NT$46.25
3,000
NT$45.17
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
16 kB
1.25 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
Reel, Cut Tape
8-bit Microcontrollers - MCU
EFM8LB12F32ES0-C-QFN24R
Silicon Labs
1:
NT$154.51
1,265 In Stock
Mouser Part #
634-LB12F32ES0CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
1,265 In Stock
Alternative Packaging
1
NT$154.51
10
NT$102.17
25
NT$93.21
100
NT$79.23
1,500
NT$55.93
3,000
View
250
NT$75.29
500
NT$67.40
1,000
NT$58.79
3,000
NT$55.21
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
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
Reel, Cut Tape
8-bit Microcontrollers - MCU
EFM8LB11F32ES0-C-QFN24R
Silicon Labs
1:
NT$142.32
1,499 In Stock
Mouser Part #
634-LB11F32ES0CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
1,499 In Stock
Alternative Packaging
1
NT$142.32
10
NT$93.93
25
NT$85.68
100
NT$72.78
1,500
NT$52.70
3,000
View
250
NT$69.19
500
NT$62.02
1,000
NT$54.13
3,000
NT$52.34
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
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
Reel, Cut Tape
8-bit Microcontrollers - MCU
EFM8LB12F64ES1-C-QFN24
Silicon Labs
1:
NT$104.68
1,274 In Stock
Mouser Part #
634-LB12F64ES1CQFN24
Silicon Labs
8-bit Microcontrollers - MCU
1,274 In Stock
Alternative Packaging
1
NT$104.68
10
NT$86.04
25
NT$77.44
100
NT$70.27
250
View
250
NT$65.61
500
NT$63.81
1,000
NT$63.10
2,520
NT$55.93
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
64 kB
4.25 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
EFM8LB12F64ES1-C-QFN24R
Silicon Labs
1:
NT$124.04
5,732 In Stock
Mouser Part #
634-LB12F64ES1CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
5,732 In Stock
Alternative Packaging
1
NT$124.04
10
NT$101.46
25
NT$93.57
100
NT$83.17
1,500
NT$60.59
3,000
View
250
NT$77.44
500
NT$73.85
1,000
NT$64.89
3,000
NT$59.87
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
64 kB
4.25 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
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB20F32G-B-QFN24R
Silicon Labs
1:
NT$129.78
865 In Stock
Mouser Part #
634-EFM8SB32GBQFN24R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
865 In Stock
Alternative Packaging
1
NT$129.78
10
NT$94.64
1,000
NT$53.06
1,500
NT$48.76
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
32 kB
4.25 kB
QFN-24
25 MHz
10 bit
16 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8SB
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:
NT$110.06
587 In Stock
Mouser Part #
634-EFM8UBF32GBQFN32
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
587 In Stock
Alternative Packaging
1
NT$110.06
10
NT$92.13
25
NT$78.51
100
NT$74.57
250
View
250
NT$70.98
500
NT$68.83
1,000
NT$62.38
2,500
NT$60.59
4,599
NT$59.15
Buy
Min.: 1
Mult.: 1
Details
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 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB20F64G-B-QFN24R
Silicon Labs
1:
NT$106.83
1,500 In Stock
Mouser Part #
634-EFM8SB64GBQFN24R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
1,500 In Stock
Alternative Packaging
1
NT$106.83
10
NT$87.47
25
NT$80.66
100
NT$71.34
250
View
1,500
NT$54.49
250
NT$66.68
500
NT$63.45
1,000
NT$58.79
1,500
NT$54.49
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
64 kB
4.25 kB
25 MHz
10 bit
16 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8SB
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
EFM8LB10F16E-C-QFN32
Silicon Labs
1:
NT$122.61
630 In Stock
Mouser Part #
634-LB10F16ECQFN32
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
630 In Stock
Alternative Packaging
1
NT$122.61
10
NT$80.66
25
NT$74.57
100
NT$64.89
250
View
250
NT$60.95
500
NT$53.42
1,000
NT$44.45
2,450
NT$44.10
4,900
NT$43.02
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
1.25 kB
QFN-32
72 MHz
10 bit/12 bit/14 bit
29 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
EFM8SB10F8A-A-QFN20R
Silicon Labs
1:
NT$165.27
1,221 In Stock
End of Life
Mouser Part #
634-M8SB10F8AAQFN20R
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
1,221 In Stock
Alternative Packaging
1
NT$165.27
10
NT$109.34
25
NT$99.66
100
NT$84.61
1,500
NT$60.23
3,000
View
250
NT$80.30
500
NT$72.06
1,000
NT$62.74
3,000
NT$59.15
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
8 kB
512 B
QFN-20
25 MHz
12 bit
16 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8SB
AEC-Q100
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
EFM8LB10F16E-C-QFN24
Silicon Labs
1:
NT$114.00
92 In Stock
Mouser Part #
634-LB10F16ECQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
92 In Stock
Alternative Packaging
1
NT$114.00
10
NT$74.21
25
NT$68.12
100
NT$58.44
250
View
250
NT$54.85
500
NT$48.04
1,000
NT$40.87
2,520
NT$40.51
5,040
NT$38.72
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
16 kB
1.25 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 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
EFM8LB12F64E-C-QSOP24
Silicon Labs
1:
NT$180.68
2,005 In Stock
End of Life
Mouser Part #
634-LB12F64ECQSOP24
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
2,005 In Stock
Alternative Packaging
1
NT$180.68
10
NT$119.74
25
NT$108.98
100
NT$92.49
250
View
250
NT$87.83
500
NT$78.87
1,176
NT$67.40
2,352
NT$65.96
5,880
NT$64.89
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QSOP-24
72 MHz
10 bit/12 bit/14 bit
21 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
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:
NT$137.66
813 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
813 In Stock
Alternative Packaging
1
NT$137.66
10
NT$93.21
25
NT$86.40
100
NT$74.93
250
View
250
NT$70.27
500
NT$61.66
1,000
NT$51.27
5,040
NT$50.91
Buy
Min.: 1
Mult.: 1
Details
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 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB20F64G-B-QFN32
Silicon Labs
1:
NT$81.02
1,161 In Stock
End of Life
Mouser Part #
634-EFM8SBF64GBQFN32
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
1,161 In Stock
Alternative Packaging
1
NT$81.02
10
NT$74.57
25
NT$73.13
100
NT$71.34
250
View
250
NT$70.98
500
NT$69.91
1,000
NT$60.59
2,500
NT$60.23
4,599
NT$59.15
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
64 kB
4.25 kB
QFN-32
25 MHz
10 bit
24 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8SB
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB10F16G-C-QFN28R
Silicon Labs
1:
NT$97.15
4,493 In Stock
Mouser Part #
634-8UB10F16GCQFN28R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
4,493 In Stock
Alternative Packaging
1
NT$97.15
10
NT$81.74
25
NT$75.64
100
NT$67.76
250
View
1,500
NT$55.93
250
NT$63.45
500
NT$58.79
1,000
NT$56.28
1,500
NT$55.93
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
16 kB
2.25 kB
QFN-28
50 MHz
12 bit
22 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU
+2 images
EFM8UB10F8G-C-QFN20
Silicon Labs
1:
NT$63.81
2,547 In Stock
5,040 Expected 9/11/2026
Mouser Part #
634-8UB10F8GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU
2,547 In Stock
5,040 Expected 9/11/2026
Alternative Packaging
1
NT$63.81
10
NT$54.13
25
NT$50.19
100
NT$44.10
250
View
250
NT$40.87
500
NT$38.00
1,000
NT$32.95
2,520
NT$30.65
5,040
NT$30.01
Buy
Min.: 1
Mult.: 1
Details
CIP-51 8051
8 kB
2.25 kB
QFN-20
50 MHz
12 bit
13 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB
Tube
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
EFM8LB12F32E-C-QFN24R
Silicon Labs
1:
NT$154.51
980 In Stock
Mouser Part #
634-LB12F32ECQFN24R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
980 In Stock
Alternative Packaging
1
NT$154.51
10
NT$102.17
25
NT$93.21
100
NT$79.23
1,500
NT$57.72
3,000
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250
NT$75.29
500
NT$67.40
1,000
NT$58.44
3,000
NT$56.64
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Min.: 1
Mult.: 1
Reel :
1,500
Details
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
Reel, Cut Tape, MouseReel