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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 (IDR) 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: Rp49.351 317In Stock New Product	Mfr. Part No. R7F103GFJ3ZFP#UA0 Mouser Part No 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	Rp49.351 Rp32.106 Rp29.170 Rp24.584 View Rp22.933 Rp19.997 Rp17.869 Rp17.502 Rp16.677	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: Rp49.167 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GFJ3ZFP#BA0 Mouser Part No 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	Rp49.167 Rp31.922 Rp28.987 Rp24.400 View Rp22.933 Rp19.997 Rp17.869 Rp17.502 Rp16.677	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: Rp31.739 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103G6G3ZSP#CA0 Mouser Part No 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	Rp31.739 Rp20.181 Rp18.108 Rp14.915 View Rp12.989 Rp12.310 Rp10.586 Rp9.870 Rp9.650	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: Rp9.650 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103G6G3ZSP#HA0 Mouser Part No 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 Rp9.650	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: Rp43.113 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103G6J3ZSP#CA0 Mouser Part No 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	Rp43.113 Rp27.702 Rp24.767 Rp20.364 View Rp19.263 Rp16.860 Rp14.879 Rp14.677 Rp14.035	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: Rp14.035 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103G6J3ZSP#HA0 Mouser Part No 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 Rp14.035	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: Rp11.191 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GBG3ZFP#BA0 Mouser Part No 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	Rp11.191 Rp10.879	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: Rp11.191 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GBG3ZFP#HA0 Mouser Part No 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 Rp11.191 Rp10.879	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: Rp36.325 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GBG3ZFP#UA0 Mouser Part No 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 Rp36.325 Rp23.116 Rp20.548 Rp17.043 Reel Rp14.860 View Rp14.071 Rp11.815 Rp11.191 Rp10.879 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: Rp16.089 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GBJ3ZFP#BA0 Mouser Part No 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	Rp16.089 Rp15.392	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: Rp16.089 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GBJ3ZFP#HA0 Mouser Part No 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 Rp16.089 Rp15.392	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: Rp47.149 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GBJ3ZFP#UA0 Mouser Part No 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 Rp47.149 Rp30.454 Rp27.152 Rp22.382 Reel Rp21.098 View Rp18.346 Rp16.310 Rp16.089 Rp15.392 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: Rp13.301 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GFG3ZFP#BA0 Mouser Part No 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	Rp13.301 Rp12.585 Rp12.255	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: Rp40.728 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GFG3ZFP#HA0 Mouser Part No 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 Rp40.728 Rp26.051 Rp23.116 Rp19.080 Reel Rp13.301 View Rp16.713 Rp15.833 Rp12.585 Rp12.255 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: Rp40.728 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GFG3ZFP#UA0 Mouser Part No 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	Rp40.728 Rp26.051 Rp23.116 Rp19.080 View Rp16.713 Rp15.833 Rp13.301 Rp12.585 Rp12.255	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: Rp17.869 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GFJ3ZFP#HA0 Mouser Part No 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 Rp17.869 Rp17.502 Rp16.677	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: Rp13.154 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GGG3ZFB#BA0 Mouser Part No 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	Rp13.154 Rp12.787	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: Rp13.154 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GGG3ZFB#HA0 Mouser Part No 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 Rp13.154 Rp12.787	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: Rp42.563 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GGG3ZFB#UA0 Mouser Part No 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	Rp42.563 Rp27.152 Rp24.217 Rp19.997 View Rp17.447 Rp16.530 Rp13.888 Rp13.154 Rp12.787	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: Rp18.071 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GGJ3ZFB#BA0 Mouser Part No 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	Rp18.071 Rp17.227	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: Rp18.071 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GGJ3ZFB#HA0 Mouser Part No 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 Rp18.071 Rp17.227	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: Rp50.818 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GGJ3ZFB#UA0 Mouser Part No 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	Rp50.818 Rp33.023 Rp29.904 Rp25.134 View Rp23.666 Rp20.731 Rp18.346 Rp18.071 Rp17.227	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: Rp16.603 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GLG3ZFA#BA0 Mouser Part No 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 Rp16.603 Rp16.383 Rp15.667	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: Rp16.603 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GLG3ZFA#HA0 Mouser Part No 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 Rp16.603 Rp16.383 Rp15.667	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: Rp48.067 Non-Stocked Lead-Time 18 Weeks New Product	Mfr. Part No. R7F103GLG3ZFA#UA0 Mouser Part No 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 Rp48.067 Rp31.005 Rp27.702 Reel Rp22.749 Rp21.465 View Rp18.713 Rp16.603 Rp16.383 Rp15.667 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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