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RL78/G21 16-Bit General-Purpose MCU

Renesas Electronics RL78/G21 16-Bit General-Purpose Microcontroller (MCU) is a cost-optimized, low-power MCU primarily designed for system control applications, with enhanced security features. The RL78/G21 achieves low current consumption during RUN operation while offering a competitive cost among Renesas MCUs in the 128KB and 256KB classes. The RL78/G21 addresses evolving requirements in home appliance applications, especially in the growing smart home segment, for system control and HMI functionalities.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CRC) Filter the results in the table by unit price based on your quantity.	Qty.
16-bit Microcontrollers - MCU 16-BIT GENERAL MCU RL78/G21 256K 44LQFP -40 to 105 C R7F103GFJ3ZFP#UA0 Renesas Electronics 1: ₡1 400,05 317In Stock New Product	Mfr. Part # R7F103GFJ3ZFP#UA0 Mouser Part # 968-R7F103GFJ3ZF#UA0 New Product	Renesas Electronics	16-bit Microcontrollers - MCU 16-BIT GENERAL MCU RL78/G21 256K 44LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	317In Stock	₡1 400,05 ₡910,81 ₡827,54 ₡697,42 View ₡650,58 ₡567,31 ₡506,93 ₡496,52 ₡473,10	Min.: 1 Mult.: 1
16-bit Microcontrollers - MCU 16-BIT GENERAL MCU RL78/G21 256K 44LQFP -40 to 105 C R7F103GFJ3ZFP#BA0 Renesas Electronics 1: ₡1 394,85 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GFJ3ZFP#BA0 Mouser Part # 968-R7F103GFJ3ZF#BA0 New Product	Renesas Electronics	16-bit Microcontrollers - MCU 16-BIT GENERAL MCU RL78/G21 256K 44LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	₡1 394,85 ₡905,61 ₡822,34 ₡692,22 View ₡650,58 ₡567,31 ₡506,93 ₡496,52 ₡473,10	Min.: 1 Mult.: 1
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 20LSSOP -40 to 105 C Renesas Electronics R7F103G6G3ZSP#CA0 R7F103G6G3ZSP#CA0 Renesas Electronics 1: ₡900,41 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103G6G3ZSP#CA0 Mouser Part # 968-7F103G6G3ZSP#CA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 20LSSOP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	₡900,41 ₡572,51 ₡513,70 ₡423,14 View ₡368,49 ₡349,23 ₡300,31 ₡280,01 ₡273,76	Min.: 1 Mult.: 1
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 20LSSOP -40 to 105 C Renesas Electronics R7F103G6G3ZSP#HA0 R7F103G6G3ZSP#HA0 Renesas Electronics 4 000: ₡273,76 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103G6G3ZSP#HA0 Mouser Part # 968-7F103G6G3ZSP#HA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 20LSSOP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	Reel ₡273,76	Min.: 4 000 Mult.: 4 000 : 4 000
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 20LSSOP -40 to 105 C Renesas Electronics R7F103G6J3ZSP#CA0 R7F103G6J3ZSP#CA0 Renesas Electronics 1: ₡1 223,09 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103G6J3ZSP#CA0 Mouser Part # 968-7F103G6J3ZSP#CA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 20LSSOP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	₡1 223,09 ₡785,90 ₡702,63 ₡577,72 View ₡546,49 ₡478,31 ₡422,10 ₡416,37 ₡398,16	Min.: 1 Mult.: 1
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 20LSSOP -40 to 105 C Renesas Electronics R7F103G6J3ZSP#HA0 R7F103G6J3ZSP#HA0 Renesas Electronics 4 000: ₡398,16 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103G6J3ZSP#HA0 Mouser Part # 968-7F103G6J3ZSP#HA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 20LSSOP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	Reel ₡398,16	Min.: 4 000 Mult.: 4 000 : 4 000
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 32LQFP -40 to 105 C Renesas Electronics R7F103GBG3ZFP#BA0 R7F103GBG3ZFP#BA0 Renesas Electronics 2 000: ₡317,48 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GBG3ZFP#BA0 Mouser Part # 968-7F103GBG3ZFP#BA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 32LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	₡317,48 ₡308,64	Min.: 2 000 Mult.: 2 000
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 32LQFP -40 to 105 C Renesas Electronics R7F103GBG3ZFP#HA0 R7F103GBG3ZFP#HA0 Renesas Electronics 2 000: ₡317,48 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GBG3ZFP#HA0 Mouser Part # 968-7F103GBG3ZFP#HA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 32LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	Reel ₡317,48 ₡308,64	Min.: 2 000 Mult.: 2 000 : 2 000
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 32LQFP -40 to 105 C Renesas Electronics R7F103GBG3ZFP#UA0 R7F103GBG3ZFP#UA0 Renesas Electronics 1: ₡1 030,52 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GBG3ZFP#UA0 Mouser Part # 968-7F103GBG3ZFP#UA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 32LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	Cut Tape ₡1 030,52 ₡655,79 ₡582,92 ₡483,51 Reel ₡421,58 View ₡399,20 ₡335,18 ₡317,48 ₡308,64 MouseReel Available	Min.: 1 Mult.: 1 : 250
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 32LQFP -40 to 105 C Renesas Electronics R7F103GBJ3ZFP#BA0 R7F103GBJ3ZFP#BA0 Renesas Electronics 2 000: ₡456,45 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GBJ3ZFP#BA0 Mouser Part # 968-7F103GBJ3ZFP#BA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 32LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	₡456,45 ₡436,67	Min.: 2 000 Mult.: 2 000
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 32LQFP -40 to 105 C Renesas Electronics R7F103GBJ3ZFP#HA0 R7F103GBJ3ZFP#HA0 Renesas Electronics 2 000: ₡456,45 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GBJ3ZFP#HA0 Mouser Part # 968-7F103GBJ3ZFP#HA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 32LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	Reel ₡456,45 ₡436,67	Min.: 2 000 Mult.: 2 000 : 2 000
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 32LQFP -40 to 105 C Renesas Electronics R7F103GBJ3ZFP#UA0 R7F103GBJ3ZFP#UA0 Renesas Electronics 1: ₡1 337,60 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GBJ3ZFP#UA0 Mouser Part # 968-7F103GBJ3ZFP#UA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 32LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	Cut Tape ₡1 337,60 ₡863,97 ₡770,29 ₡634,97 Reel ₡598,54 View ₡520,47 ₡462,69 ₡456,45 ₡436,67 MouseReel Available	Min.: 1 Mult.: 1 : 250
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 44LQFP -40 to 105 C Renesas Electronics R7F103GFG3ZFP#BA0 R7F103GFG3ZFP#BA0 Renesas Electronics 1 280: ₡377,34 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GFG3ZFP#BA0 Mouser Part # 968-7F103GFG3ZFP#BA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 44LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	₡377,34 ₡357,04 ₡347,67	Min.: 1 280 Mult.: 1 280
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 44LQFP -40 to 105 C Renesas Electronics R7F103GFG3ZFP#HA0 R7F103GFG3ZFP#HA0 Renesas Electronics 1: ₡1 155,43 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GFG3ZFP#HA0 Mouser Part # 968-7F103GFG3ZFP#HA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 44LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	Cut Tape ₡1 155,43 ₡739,06 ₡655,79 ₡541,28 Reel ₡377,34 View ₡474,14 ₡449,16 ₡357,04 ₡347,67 MouseReel Available	Min.: 1 Mult.: 1 : 1 000
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 44LQFP -40 to 105 C Renesas Electronics R7F103GFG3ZFP#UA0 R7F103GFG3ZFP#UA0 Renesas Electronics 1: ₡1 155,43 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GFG3ZFP#UA0 Mouser Part # 968-7F103GFG3ZFP#UA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 44LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	₡1 155,43 ₡739,06 ₡655,79 ₡541,28 View ₡474,14 ₡449,16 ₡377,34 ₡357,04 ₡347,67	Min.: 1 Mult.: 1
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 44LQFP -40 to 105 C Renesas Electronics R7F103GFJ3ZFP#HA0 R7F103GFJ3ZFP#HA0 Renesas Electronics 1 000: ₡506,93 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GFJ3ZFP#HA0 Mouser Part # 968-7F103GFJ3ZFP#HA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 44LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	Reel ₡506,93 ₡496,52 ₡473,10	Min.: 1 000 Mult.: 1 000 : 1 000
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 48LFQFP -40 to 105 C Renesas Electronics R7F103GGG3ZFB#BA0 R7F103GGG3ZFB#BA0 Renesas Electronics 2 000: ₡373,17 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GGG3ZFB#BA0 Mouser Part # 968-7F103GGG3ZFB#BA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 48LFQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	₡373,17 ₡362,76	Min.: 2 000 Mult.: 2 000
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 48LFQFP -40 to 105 C Renesas Electronics R7F103GGG3ZFB#HA0 R7F103GGG3ZFB#HA0 Renesas Electronics 2 000: ₡373,17 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GGG3ZFB#HA0 Mouser Part # 968-7F103GGG3ZFB#HA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 48LFQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	Reel ₡373,17 ₡362,76	Min.: 2 000 Mult.: 2 000 : 2 000
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 48LFQFP -40 to 105 C Renesas Electronics R7F103GGG3ZFB#UA0 R7F103GGG3ZFB#UA0 Renesas Electronics 1: ₡1 207,48 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GGG3ZFB#UA0 Mouser Part # 968-7F103GGG3ZFB#UA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 48LFQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	₡1 207,48 ₡770,29 ₡687,01 ₡567,31 View ₡494,96 ₡468,94 ₡393,99 ₡373,17 ₡362,76	Min.: 1 Mult.: 1
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 48LFQFP -40 to 105 C Renesas Electronics R7F103GGJ3ZFB#BA0 R7F103GGJ3ZFB#BA0 Renesas Electronics 2 000: ₡512,66 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GGJ3ZFB#BA0 Mouser Part # 968-7F103GGJ3ZFB#BA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 48LFQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	₡512,66 ₡488,72	Min.: 2 000 Mult.: 2 000
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 48LFQFP -40 to 105 C Renesas Electronics R7F103GGJ3ZFB#HA0 R7F103GGJ3ZFB#HA0 Renesas Electronics 2 000: ₡512,66 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GGJ3ZFB#HA0 Mouser Part # 968-7F103GGJ3ZFB#HA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 48LFQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	Reel ₡512,66 ₡488,72	Min.: 2 000 Mult.: 2 000 : 2 000
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 48LFQFP -40 to 105 C Renesas Electronics R7F103GGJ3ZFB#UA0 R7F103GGJ3ZFB#UA0 Renesas Electronics 1: ₡1 441,69 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GGJ3ZFB#UA0 Mouser Part # 968-7F103GGJ3ZFB#UA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 256K 48LFQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	₡1 441,69 ₡936,84 ₡848,36 ₡713,04 View ₡671,40 ₡588,13 ₡520,47 ₡512,66 ₡488,72	Min.: 1 Mult.: 1
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 64LQFP -40 to 105 C Renesas Electronics R7F103GLG3ZFA#BA0 R7F103GLG3ZFA#BA0 Renesas Electronics 952: ₡471,02 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GLG3ZFA#BA0 Mouser Part # 968-7F103GLG3ZFA#BA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 64LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	Reel ₡471,02 ₡464,78 ₡444,48	Min.: 952 Mult.: 952 : 952
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 64LQFP -40 to 105 C Renesas Electronics R7F103GLG3ZFA#HA0 R7F103GLG3ZFA#HA0 Renesas Electronics 1 000: ₡471,02 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GLG3ZFA#HA0 Mouser Part # 968-7F103GLG3ZFA#HA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 64LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	Reel ₡471,02 ₡464,78 ₡444,48	Min.: 1 000 Mult.: 1 000 : 1 000
Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 64LQFP -40 to 105 C Renesas Electronics R7F103GLG3ZFA#UA0 R7F103GLG3ZFA#UA0 Renesas Electronics 1: ₡1 363,62 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part # R7F103GLG3ZFA#UA0 Mouser Part # 968-7F103GLG3ZFA#UA0 New Product	Renesas Electronics	Renesas Electronics 16-BIT GENERAL MCU RL78/G21 128K 64LQFP -40 to 105 C Learn More about Renesas Electronics renesas rl78 g21 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	Cut Tape ₡1 363,62 ₡879,59 ₡785,90 Reel ₡645,38 ₡608,94 View ₡530,87 ₡471,02 ₡464,78 ₡444,48 MouseReel Available	Min.: 1 Mult.: 1 : 119

RL78/G21 16-Bit General-Purpose MCU

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RL78/G21 16-Bit General-Purpose MCU

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