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:
¥554.8
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
¥554.8
10
¥453.5
25
¥393.7
100
¥372.1
1,500
¥280.7
3,000
View
500
¥330.5
1,000
¥287.4
3,000
¥274.1
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:
¥235.9
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
¥235.9
10
¥184.4
100
¥165.8
250
¥154.5
1,500
¥137.4
3,000
View
500
¥147.2
1,000
¥143.8
3,000
¥127.1
9,000
¥125.4
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:
¥548.1
13,008 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
13,008 In Stock
Alternative Packaging
1
¥548.1
10
¥458.4
25
¥402
100
¥377
500
View
500
¥338.8
1,000
¥300.6
2,520
¥282.4
5,040
¥279
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:
¥798.9
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
¥798.9
10
¥528.2
25
¥471.7
100
¥410.3
250
View
250
¥388.7
500
¥348.8
1,000
¥294
1,911
¥292.3
5,733
¥285.7
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:
¥471.7
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
¥471.7
10
¥395.3
25
¥330.5
100
¥313.9
500
View
500
¥292.3
1,000
¥257.5
1,911
¥249.2
5,733
¥244.2
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 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
EFM8LB11F16E-C-QFN24
Silicon Labs
1:
¥554.8
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
¥554.8
10
¥365.4
25
¥337.2
100
¥294
250
View
250
¥275.7
500
¥240.8
1,000
¥201
2,520
¥196
5,040
¥189.4
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
EFM8LB11F32ES0-C-QFN24R
Silicon Labs
1:
¥637.8
1,499 In Stock
Mouser Part #
634-LB11F32ES0CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
1,499 In Stock
Alternative Packaging
1
¥637.8
10
¥431.9
25
¥400.3
100
¥347.1
1,500
¥232.5
3,000
View
250
¥325.6
500
¥285.7
1,000
¥234.2
3,000
¥230.9
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:
¥548.1
1,274 In Stock
Mouser Part #
634-LB12F64ES1CQFN24
Silicon Labs
8-bit Microcontrollers - MCU
1,274 In Stock
Alternative Packaging
1
¥548.1
10
¥458.4
25
¥402
100
¥377
250
View
250
¥365.4
500
¥332.2
1,000
¥300.6
2,520
¥290.7
5,040
¥284
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
EFM8LB10F16ES1-C-QFN24R
Silicon Labs
1:
¥529.9
1,368 In Stock
Mouser Part #
634-LB10F16ES1CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
1,368 In Stock
Alternative Packaging
1
¥529.9
10
¥345.5
25
¥317.3
100
¥272.4
1,500
¥182.7
3,000
View
250
¥255.8
500
¥224.2
1,000
¥187.7
3,000
¥174.4
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:
¥554.8
1,500 In Stock
Mouser Part #
634-LB11F16ES0CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
1,500 In Stock
Alternative Packaging
1
¥554.8
10
¥365.4
25
¥337.2
100
¥294
1,500
¥194.3
3,000
View
250
¥275.7
500
¥240.8
1,000
¥201
3,000
¥189.4
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:
¥677.7
1,265 In Stock
Mouser Part #
634-LB12F32ES0CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
1,265 In Stock
Alternative Packaging
1
¥677.7
10
¥448.5
25
¥408.6
100
¥347.1
1,500
¥247.5
3,000
View
250
¥330.5
500
¥295.7
1,000
¥257.5
3,000
¥242.5
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 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB20F32G-B-QFN24R
Silicon Labs
1:
¥601.3
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
¥601.3
25
¥367.1
100
¥317.3
250
¥297.3
1,500
¥209.3
3,000
View
500
¥262.4
1,000
¥215.9
3,000
¥206
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:
¥529.9
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
¥529.9
10
¥443.5
25
¥377
100
¥358.8
500
View
500
¥330.5
1,000
¥308.9
2,500
¥295.7
4,599
¥294
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:
¥495
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
¥495
10
¥405.3
25
¥350.5
100
¥330.5
1,500
¥247.5
3,000
View
500
¥294
1,000
¥254.1
3,000
¥242.5
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 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
EFM8SB10F8A-A-QFN20R
Silicon Labs
1:
¥767.4
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
¥767.4
10
¥508.3
25
¥463.4
100
¥393.7
250
View
1,500
¥287.4
250
¥373.7
500
¥335.5
1,000
¥289
1,500
¥287.4
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:
¥528.2
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
¥528.2
10
¥343.8
25
¥315.6
100
¥270.7
250
View
250
¥254.1
500
¥222.6
1,000
¥189.4
2,520
¥187.7
5,040
¥179.4
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:
¥837.1
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
¥837.1
10
¥554.8
25
¥504.9
100
¥428.5
250
View
250
¥406.9
500
¥365.4
1,176
¥317.3
2,352
¥305.6
5,880
¥300.6
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 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
EFM8LB10F16E-C-QFN32
Silicon Labs
1:
¥568.1
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
¥568.1
10
¥373.7
25
¥345.5
100
¥300.6
250
View
250
¥282.4
500
¥247.5
1,000
¥206
2,450
¥204.3
4,900
¥199.3
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 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
EFM8LB11F32E-C-QFN24
Silicon Labs
1:
¥637.8
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
¥637.8
10
¥431.9
25
¥400.3
100
¥347.1
250
View
250
¥325.6
500
¥285.7
1,000
¥237.5
5,040
¥235.9
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
EFM8LB12F64ES1-C-QFN24R
Silicon Labs
1:
¥574.7
5,732 In Stock
Mouser Part #
634-LB12F64ES1CFN24R
Silicon Labs
8-bit Microcontrollers - MCU
5,732 In Stock
Alternative Packaging
1
¥574.7
10
¥470.1
25
¥406.9
100
¥385.4
1,500
¥280.7
3,000
View
500
¥342.2
1,000
¥297.3
3,000
¥279
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 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB20F32G-B-QFP48
Silicon Labs
1:
¥636.2
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
¥636.2
10
¥531.5
25
¥493.3
100
¥478.4
250
View
250
¥453.5
500
¥406.9
1,000
¥353.8
2,500
¥340.5
5,000
¥333.9
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 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB20F64G-B-QFN32
Silicon Labs
1:
¥747.5
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
¥747.5
10
¥495
25
¥451.8
100
¥383.7
250
View
250
¥365.4
500
¥327.2
1,000
¥322.2
2,500
¥272.4
4,599
¥267.4
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-QFN20R
Silicon Labs
1:
¥513.2
1,894 In Stock
49,500 On Order
Mouser Part #
634-8UB10F16GCQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
1,894 In Stock
49,500 On Order
View Dates
Alternative Packaging
Stock:
1,894 Can Ship Immediately
On Order:
9,000 Expected 1/7/2027
40,500 Expected 1/8/2027
Factory Lead-Time:
31 Weeks
1
¥513.2
10
¥373.7
25
¥337.2
100
¥304
250
View
1,500
¥250.8
250
¥299
500
¥267.4
1,000
¥250.8
1,500
¥250.8
Buy
Min.: 1
Mult.: 1
Reel :
1,500
Details
CIP-51 8051
16 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 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB10F16G-C-QFN28R
Silicon Labs
1:
¥450.1
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
¥450.1
10
¥378.7
25
¥332.2
100
¥313.9
1,500
¥215.9
3,000
View
250
¥308.9
500
¥274.1
1,000
¥240.8
3,000
¥209.3
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:
¥295.7
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
¥295.7
10
¥250.8
25
¥232.5
100
¥204.3
250
View
250
¥189.4
500
¥176.1
1,000
¥152.6
2,520
¥142
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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
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