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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFP32R Silicon Labs 1: $2.63 477In Stock	Mfr. Part No. EFM8BB31F32G-D-QFP32R Mouser Part No 634-EF8BB31F32GDP32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	477In Stock	Cut Tape $2.63 $1.95 $1.78 $1.59 Reel $1.45 View $1.50 $1.39 $1.38 $1.33	Min.: 1 Mult.: 1 : 500
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: $3.26 1,221In Stock End of Life	Mfr. Part No. EFM8SB10F8A-A-QFN20R Mouser Part No 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 Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	1,221In Stock	Cut Tape $3.26 $2.43 $2.22 $1.99 View Reel $1.50 $1.88 $1.84 $1.72 $1.50	Min.: 1 Mult.: 1 : 1,500
8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V CY8C3244AXI-153 Infineon Technologies 1: $11.28 33In Stock	Mfr. Part No. CY8C3244AXI-153 Mouser Part No 727-CY8C3244AXI-153	Infineon Technologies	8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	33In Stock	$11.28 $8.78 $7.97 $6.41 View $6.38 $5.98 $5.82 Quote	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F32G-D-QFN32 Silicon Labs 1: $2.30 457In Stock	Mfr. Part No. EFM8BB31F32G-D-QFN32 Mouser Part No 634-EF8BB31F32GDQN32	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	457In Stock	$2.30 $1.70 $1.55 $1.38 View $1.31 $1.26 $1.22 $1.19 $1.15	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246LTI-125 Infineon Technologies 1: $12.10 1,091In Stock	Mfr. Part No. CY8C3246LTI-125 Mouser Part No 727-CY8C3246LTI-125	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	1,091In Stock	$12.10 $9.48 $8.43 $8.11 View $7.75 $7.54 $7.27 Quote	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU EFM8BB52F16I-C-TSSOP28R Silicon Labs 1: $1.19 2,435In Stock	Mfr. Part No. EFM8BB52F16I-C-TSSOP28R Mouser Part No 634-EFM852F16ITOP28R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	2,435In Stock	Cut Tape $1.19 $0.869 $0.786 $0.694 Reel $0.58 View $0.651 $0.624 $0.597 $0.566	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85 N76E003AQ20 Nuvoton 1: $1.49 1,016In Stock	Mfr. Part No. N76E003AQ20 Mouser Part No 503-N76E003AQ20	Nuvoton	8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85	Datasheet	1,016In Stock	Cut Tape $1.49 $0.949 $0.847 $0.697 Reel $0.461 View $0.608 $0.576 $0.495 $0.456 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8I-C-TSSOP20 Silicon Labs 1: $1.14 166In Stock	Mfr. Part No. EFM8BB51F8I-C-TSSOP20 Mouser Part No 634-EFM851F8ICTSOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	166In Stock	$1.14 $0.824 $0.742 $0.653 View $0.61 $0.584 $0.566 $0.541 $0.527	Min.: 1 Mult.: 1
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: $2.42 2,259In Stock	Mfr. Part No. EFM8LB11F16E-C-QFN24 Mouser Part No 634-LB11F16ECQFN24	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	2,259In Stock	$2.42 $1.79 $1.63 $1.46 View $1.38 $1.34 $1.30 $1.24 $1.21	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3246PVI-147 Infineon Technologies 1: $11.98 371In Stock	Mfr. Part No. CY8C3246PVI-147 Mouser Part No 727-CY8C3246PVI-147	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	371In Stock	$11.98 $11.30 $8.25 $7.94 View $7.72 $7.41 $7.23 Quote	Min.: 1 Mult.: 1
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: $2.79 723In Stock	Mfr. Part No. EFM8LB11F32E-C-QFN24 Mouser Part No 634-LB11F32ECQFN24	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	723In Stock	$2.79 $2.07 $1.90 $1.70 View $1.61 $1.57 $1.51 $1.28	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB20F32G-B-QFN32 Silicon Labs 1: $3.26 587In Stock NRND	Mfr. Part No. EFM8UB20F32G-B-QFN32 Mouser Part No 634-EFM8UBF32GBQFN32 NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	587In Stock	$3.26 $2.57 $2.29 $2.11 View $1.99 $1.95 $1.92 $1.83 $1.81	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL AT89LP3240-20MU Microchip Technology 1: $4.75 315In Stock	Mfr. Part No. AT89LP3240-20MU Mouser Part No 556-AT89LP3240-20MU	Microchip Technology	8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL	Datasheet	315In Stock	$4.75 $4.37 $3.96	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V AT89C51RC-24AU Microchip Technology 1: $3.15 3,742In Stock	Mfr. Part No. AT89C51RC-24AU Mouser Part No 556-A89C51RC-24AU	Microchip Technology	8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	3,742In Stock	$3.15 $2.89 $2.86	Min.: 1 Mult.: 1
RF Microcontrollers - MCU RF+MCU 8051 25 MHz 32 kB +13 dBm SI1062-A-GM Silicon Labs 1: $11.39 171In Stock NRND	Mfr. Part No. SI1062-A-GM Mouser Part No 634-SI1062-A-GM NRND	Silicon Labs	RF Microcontrollers - MCU RF+MCU 8051 25 MHz 32 kB +13 dBm Learn More about Silicon Labs siliconlabssi100x	Datasheet	171In Stock	$11.39 $9.23 $8.47 $7.91 View $7.66 $7.61 Quote	Min.: 1 Mult.: 1
RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHR CC2510F32RHHT Texas Instruments 1: $9.23 250In Stock	Mfr. Part No. CC2510F32RHHT Mouser Part No 595-CC2510F32RHHT	Texas Instruments	RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHR	Datasheet	250In Stock	Cut Tape $9.23 $7.31 $6.78 $6.20 Reel $5.63 View Quote MouseReel Available	Min.: 1 Mult.: 1 : 250
8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU AT89LP52-20AU Microchip Technology 1: $1.72 2,754In Stock	Mfr. Part No. AT89LP52-20AU Mouser Part No 556-AT89LP52-20AU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU Learn More about Microchip Technology atmelat89lp52	Datasheet	2,754In Stock	$1.72 $1.56 $1.42	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8G-A-QFN20R Silicon Labs 1: $0.92 54,906In Stock 10,500On Order	Mfr. Part No. EFM8BB10F8G-A-QFN20R Mouser Part No 634-8BB10F8GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	54,906In Stock 10,500On Order On Order Ship Dates Mfr. No: EFM8BB10F8G-A-QFN20R Stock: 54,906 Can Dispatch Immediately On Order: 1,500 Pending 9,000 Expected 13/11/2026 Factory Lead Time: 12 Weeks	Cut Tape $0.92 $0.779 $0.64 $0.598 View Reel $0.50 $0.528 $0.513 $0.50 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V AT89C4051-24PU Microchip Technology 1: $2.12 2,246In Stock	Mfr. Part No. AT89C4051-24PU Mouser Part No 556-A89C4051-24PU	Microchip Technology	8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V	Datasheet	2,246In Stock	$2.12 $1.94 $1.76	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU AT89LP52-20JU Microchip Technology 1: $3.45 103In Stock	Mfr. Part No. AT89LP52-20JU Mouser Part No 556-AT89LP52-20JU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU Learn More about Microchip Technology atmelat89lp52	Datasheet	103In Stock	$3.45 $3.16 $3.12	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8G-A-QFN24R Silicon Labs 1: $1.75 3,031In Stock	Mfr. Part No. EFM8SB10F8G-A-QFN24R Mouser Part No 634-8SB10F8GAQF24R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU	Datasheet	3,031In Stock	Cut Tape $1.75 $1.38 $1.23 $1.12 Reel $0.936 View $1.08 $1.01 $0.97 $0.925 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F2G-A-QFN20 Silicon Labs 1: $1.33 7,303In Stock	Mfr. Part No. EFM8SB10F2G-A-QFN20 Mouser Part No 634-8SB10F2GAQF20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	7,303In Stock	$1.33 $1.03 $0.918 $0.816 View $0.789 $0.748 $0.731 $0.706 $0.672	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446LTI-073 Infineon Technologies 1: $14.51 2,600In Stock	Mfr. Part No. CY8C3446LTI-073 Mouser Part No 727-CY8C3446LTI-073	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	2,600In Stock	$14.51 $11.83 $10.57 $10.17 View $9.74 $9.49 $9.38 Quote	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F2G-A-QFN20R Silicon Labs 1: $1.36 3,518In Stock 16,500Expected 04/12/2026	Mfr. Part No. EFM8SB10F2G-A-QFN20R Mouser Part No 634-8SB10F2GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU	Datasheet	3,518In Stock 16,500Expected 04/12/2026	Cut Tape $1.36 $1.05 $0.927 $0.844 Reel $0.764 View $0.823 $0.764 $0.674 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
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: $1.02 648In Stock	Mfr. Part No. EFM8BB50F4I-A-SOIC16 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 Learn More about Silicon Labs efm8bb50 mcus	Datasheet	648In Stock	$1.02 $0.735 $0.662 $0.582 View $0.544 $0.521 $0.504 $0.482 $0.47	Min.: 1 Mult.: 1

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