8-bit Microcontrollers - MCU – Mouser Philippines

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EFM8BB51 & EFM8BB52 Busy Bee 8-Bit MCUs

Silicon Labs EFM8BB51 and EFM8BB52 Busy Bee MCUs are multi-purpose microcontrollers with a comprehensive feature set in compact packages. These devices offer high value by integrating advanced analog and communication peripherals into a small footprint, making them ideal for space-constrained applications. With an efficient 8051 core, 5V capable I/O, precision analog, and enhanced pulse-width modulation, the EFM8BB51 and EFM8BB52 MCUs are optimal for embedded applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PHP) Filter the results in the table by unit price based on your quantity.	Qty.	Program Memory Size	Data RAM Size	Package / Case	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16I-C-QFN20R Silicon Labs 1: ₱68.10 12,398In Stock	Mfr. Part # EFM8BB51F16I-C-QFN20R Mouser Part # 634-EFM851F16IQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	12,398In Stock	Cut Tape ₱68.10 ₱58.04 ₱50.92 ₱46.75 Reel ₱33.01 View ₱43.50 ₱39.82 ₱36.44 ₱27.98	Min.: 1 Mult.: 1 : 2,500	16 kB	1.28 kB	QFN-20		16 I/O	1.8 V	5.5 V	SMD/SMT	- 40 C	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F32I-C-QFN32R Silicon Labs 1: ₱74.23 11,155In Stock	Mfr. Part # EFM8BB52F32I-C-QFN32R Mouser Part # 634-EFM852F32IQFN32R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	11,155In Stock	Cut Tape ₱74.23 ₱53.37 ₱48.04 ₱42.27 Reel ₱34.97 View ₱39.51 ₱37.85 ₱36.63 ₱34.11	Min.: 1 Mult.: 1 : 2,500	16 kB	1.28 kB	QFN-32		16 I/O	1.8 V	5.5 V	SMD/SMT	- 40 C	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU EFM8BB52F16G-C-TSSOP28 Silicon Labs 1: ₱73.62 8,033In Stock	Mfr. Part # EFM8BB52F16G-C-TSSOP28 Mouser Part # 634-EFM852F16GTSOP28	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	8,033In Stock	₱73.62 ₱53.31 ₱48.28 ₱42.64 View ₱36.44 ₱36.38 ₱35.58 ₱34.72	Min.: 1 Mult.: 1	16 kB	1.28 kB	TSSOP-28		25 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 EFM8BB51F8I-C-TSSOP20 Silicon Labs 1: ₱69.94 166In Stock	Mfr. Part # EFM8BB51F8I-C-TSSOP20 Mouser Part # 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	₱69.94 ₱50.55 ₱45.52 ₱40.06 View ₱37.42 ₱35.83 ₱34.72 ₱33.19 ₱32.33	Min.: 1 Mult.: 1	8 kB	1.28 kB	TSSOP-20		16 I/O	1.8 V	5.5 V	SMD/SMT	- 40 C	+ 125 C	Cut Tape
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: ₱73.01 2,435In Stock	Mfr. Part # EFM8BB52F16I-C-TSSOP28R Mouser Part # 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 ₱73.01 ₱53.31 ₱48.22 ₱42.58 Reel ₱35.58 View ₱39.94 ₱38.28 ₱36.63 ₱34.72	Min.: 1 Mult.: 1 : 2,500	16 kB	1.28 kB	TSSOP-28		16 I/O	1.8 V	5.5 V	SMD/SMT	- 40 C	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32I-C-QFN20R Silicon Labs 1: ₱72.39 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # EFM8BB52F32I-C-QFN20R Mouser Part # 634-EFM852F32IQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	Non-Stocked Lead-Time 24 Weeks	Cut Tape ₱72.39 ₱52.02 ₱46.81 ₱41.17 Reel ₱34.05 View ₱38.53 ₱36.87 ₱35.71 ₱33.19	Min.: 1 Mult.: 1 : 2,500	16 kB	1.28 kB	QFN-20		16 I/O	1.8 V	5.5 V	SMD/SMT	- 40 C	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F32G-C-QFN32R Silicon Labs 1: ₱68.10 4,000In Stock	Mfr. Part # EFM8BB52F32G-C-QFN32R Mouser Part # 634-EFM852F32GQFN32R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	4,000In Stock	Cut Tape ₱68.10 ₱49.20 ₱44.29 ₱38.96 Reel ₱32.27 View ₱36.44 ₱34.85 ₱33.74 ₱31.47	Min.: 1 Mult.: 1 : 2,500	16 kB	1.28 kB	QFN-32		16 I/O	1.8 V	5.5 V	SMD/SMT	- 40 C	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16G-C-TSSOP20 Silicon Labs 1: ₱65.64 1,452In Stock	Mfr. Part # EFM8BB51F16G-C-TSSOP20 Mouser Part # 634-EFM8516GCTSSOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	1,452In Stock	₱65.64 ₱52.02 ₱47.79 ₱44.05 View ₱36.87 ₱36.44	Min.: 1 Mult.: 1	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 16 GPIO BB5 8-bit MCU EFM8BB51F16G-C-QFN20 Silicon Labs 1: ₱66.26 151In Stock	Mfr. Part # EFM8BB51F16G-C-QFN20 Mouser Part # 634-EFM851F16GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	151In Stock	₱66.26 ₱47.85 ₱43.07 ₱37.85 View ₱35.40 ₱33.93 ₱32.82 ₱31.35 ₱30.61	Min.: 1 Mult.: 1	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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16G-C-QFN20R Silicon Labs 1: ₱57.06 1,016In Stock	Mfr. Part # EFM8BB51F16G-C-QFN20R Mouser Part # 634-EFM851F16GQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	1,016In Stock	Cut Tape ₱57.06 ₱41.04 ₱36.99 ₱32.52 View Reel ₱29.08 ₱30.43 ₱29.14 ₱29.08	Min.: 1 Mult.: 1 : 2,500	16 kB	1.28 kB	QFN-20		16 I/O	1.8 V	5.5 V	SMD/SMT	- 40 C	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16I-C-QFN20 Silicon Labs 1: ₱69.94 194In Stock	Mfr. Part # EFM8BB51F16I-C-QFN20 Mouser Part # 634-EFM851F16ICQFN20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	194In Stock	₱69.94 ₱50.55 ₱45.52 ₱40.06 View ₱37.42 ₱35.83 ₱34.72 ₱33.19 ₱32.33	Min.: 1 Mult.: 1	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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16I-C-TSSOP20 Silicon Labs 1: ₱73.01 146In Stock	Mfr. Part # EFM8BB51F16I-C-TSSOP20 Mouser Part # 634-EFM851F16TSSOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	146In Stock	₱73.01 ₱53.31 ₱48.22 ₱42.58 View ₱39.94 ₱38.28 ₱36.63 ₱35.58 ₱34.72	Min.: 1 Mult.: 1	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-TSSOP20 Silicon Labs 1: ₱61.35 297In Stock	Mfr. Part # EFM8BB51F8G-C-TSSOP20 Mouser Part # 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 Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	297In Stock	₱61.35 ₱48.34 ₱46.14 ₱35.71 View ₱35.15 ₱34.42 ₱34.05	Min.: 1 Mult.: 1	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 16 GPIO BB5 8-bit MCU EFM8BB52F16G-C-QFN20 Silicon Labs 1: ₱56.44 234In Stock	Mfr. Part # EFM8BB52F16G-C-QFN20 Mouser Part # 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 Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	234In Stock	₱56.44 ₱44.97 ₱32.02 ₱30.61 View ₱29.39 ₱28.16 ₱27.42	Min.: 1 Mult.: 1	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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F16G-C-QFN32 Silicon Labs 1: ₱59.51 722In Stock 1,200On Order	Mfr. Part # EFM8BB52F16G-C-QFN32 Mouser Part # 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 Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	722In Stock 1,200On Order On Order Ship Dates Mfr. #: EFM8BB52F16G-C-QFN32 Stock: 722 Can Ship Immediately On Order: 400 Pending 800 Expected 27/04/2027 Factory Lead-Time: 24 Weeks	₱59.51 ₱45.64 ₱44.54 ₱39.75 View ₱36.56 ₱29.82	Min.: 1 Mult.: 1	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: ₱69.94 179In Stock	Mfr. Part # EFM8BB52F16G-C-TSSOP20 Mouser Part # 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 Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	179In Stock	₱69.94 ₱52.33 ₱46.81 ₱41.96 View ₱41.90 ₱39.88 ₱39.33 ₱38.16 ₱37.18	Min.: 1 Mult.: 1	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 16 GPIO BB5 8-bit MCU EFM8BB52F16G-C-QFN20R Silicon Labs 1: ₱58.90 874In Stock	Mfr. Part # EFM8BB52F16G-C-QFN20R Mouser Part # 634-EFM852F16GQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	874In Stock	Cut Tape ₱58.90 ₱42.39 ₱38.16 ₱33.56 Reel ₱27.79 View ₱31.35 ₱30.00 ₱29.08 ₱27.12	Min.: 1 Mult.: 1 : 2,500	16 kB	1.28 kB	QFN-20		16 I/O	1.8 V	5.5 V	SMD/SMT	- 40 C	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F32G-C-QFN32 Silicon Labs 1: ₱59.51 1,461In Stock	Mfr. Part # EFM8BB52F32G-C-QFN32 Mouser Part # 634-EFM852F32GCQFN32	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	1,461In Stock	₱59.51 ₱42.45 ₱38.22 ₱33.62 View ₱31.35 ₱30.00 ₱29.08 ₱27.79 ₱27.12	Min.: 1 Mult.: 1	32 kB	2.25 kB	QFN-32		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 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F32I-C-QFN32 Silicon Labs 1: ₱73.62 606In Stock	Mfr. Part # EFM8BB52F32I-C-QFN32 Mouser Part # 634-EFM852F32ICQFN32	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	606In Stock	₱73.62 ₱62.58 ₱54.91 ₱49.08 View ₱45.28 ₱36.69 ₱35.03 ₱34.17	Min.: 1 Mult.: 1	16 kB	1.28 kB	QFN-32		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 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32I-C-TSSOP20 Silicon Labs 1: ₱78.53 402In Stock	Mfr. Part # EFM8BB52F32I-C-TSSOP20 Mouser Part # 634-EFM852F32ICTOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	402In Stock	₱78.53 ₱61.29 ₱58.28 ₱44.05 View ₱42.09 ₱40.92 ₱39.94	Min.: 1 Mult.: 1	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: ₱60.74 294In Stock	Mfr. Part # EFM8BB51F8G-C-QFN20 Mouser Part # 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 Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	294In Stock	₱60.74 ₱43.74 ₱39.39 ₱34.60 View ₱32.39 ₱30.98 ₱30.00 ₱28.71 ₱27.98	Min.: 1 Mult.: 1	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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F16I-C-QFN32 Silicon Labs 1: ₱58.90 6,000On Order	Mfr. Part # EFM8BB52F16I-C-QFN32 Mouser Part # 634-EFMB52F16ICQFN32	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	6,000On Order On Order Ship Dates Mfr. #: EFM8BB52F16I-C-QFN32 Stock: 0 On Order: 3,800 Expected 04/12/2026 2,200 Expected 29/04/2027 Factory Lead-Time: 24 Weeks	₱58.90 ₱41.10 ₱36.87 ₱32.21 View ₱29.94 ₱29.39 ₱29.33	Min.: 1 Mult.: 1	16 kB	1.28 kB	QFN-32		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 16 GPIO BB5 8-bit MCU EFM8BB52F16I-C-TSSOP20 Silicon Labs 1: ₱71.78 198Expected 01/01/2027	Mfr. Part # EFM8BB52F16I-C-TSSOP20 Mouser Part # 634-EFM852F16ITSOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	198Expected 01/01/2027	₱71.78 ₱51.96 ₱46.75 ₱41.10 View ₱38.47 ₱36.81 ₱35.64 ₱34.05 ₱33.19	Min.: 1 Mult.: 1	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 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32G-C-QFN20 Silicon Labs 1: ₱70.55 800Expected 27/04/2027	Mfr. Part # EFM8BB52F32G-C-QFN20 Mouser Part # 634-EFM852F32GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	800Expected 27/04/2027	₱70.55 ₱50.61 ₱46.14 ₱43.07 View ₱41.23 ₱39.94 ₱38.16 ₱37.18	Min.: 1 Mult.: 1	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 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32G-C-TSSOP20 Silicon Labs 1: ₱85.28 197Expected 18/12/2026	Mfr. Part # EFM8BB52F32G-C-TSSOP20 Mouser Part # 634-EFM852F32GCTOP20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	197Expected 18/12/2026	₱85.28 ₱67.49 ₱59.69 ₱51.72 View ₱51.66 ₱49.57 ₱47.36 ₱46.01 ₱44.97	Min.: 1 Mult.: 1	16 kB	1.28 kB	TSSOP-20		16 I/O	1.8 V	5.5 V	SMD/SMT	- 40 C	+ 85 C	Cut Tape

EFM8BB51 & EFM8BB52 Busy Bee 8-Bit MCUs

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EFM8BB51 & EFM8BB52 Busy Bee 8-Bit MCUs

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