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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 (SGD) 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: $3.66 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	$3.66 $2.38 $2.16 $1.82 View $1.70 $1.48 $1.32 $1.30 $1.24	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: $3.64 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	$3.64 $2.37 $2.15 $1.81 View $1.70 $1.48 $1.32 $1.30 $1.24	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: $2.35 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	$2.35 $1.50 $1.34 $1.11 View $0.963 $0.913 $0.785 $0.732 $0.715	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: $0.715 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 $0.715	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: $3.20 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	$3.20 $2.05 $1.84 $1.51 View $1.43 $1.25 $1.10 $1.09 $1.04	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: $1.04 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 $1.04	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: $0.83 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	$0.83 $0.806	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: $0.83 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 $0.83 $0.806	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: $2.69 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 $2.69 $1.71 $1.52 $1.26 Reel $1.10 View $1.04 $0.876 $0.83 $0.806 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: $1.19 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	$1.19 $1.14	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: $1.19 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 $1.19 $1.14	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: $3.50 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 $3.50 $2.26 $2.01 $1.66 Reel $1.56 View $1.36 $1.21 $1.19 $1.14 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: $0.986 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	$0.986 $0.933 $0.908	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: $3.02 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 $3.02 $1.93 $1.71 $1.41 Reel $0.986 View $1.24 $1.17 $0.933 $0.908 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: $3.02 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	$3.02 $1.93 $1.71 $1.41 View $1.24 $1.17 $0.986 $0.933 $0.908	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: $1.32 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 $1.32 $1.30 $1.24	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: $0.975 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	$0.975 $0.948	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: $0.975 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 $0.975 $0.948	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: $3.16 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	$3.16 $2.01 $1.80 $1.48 View $1.29 $1.23 $1.03 $0.975 $0.948	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: $1.34 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	$1.34 $1.28	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: $1.34 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 $1.34 $1.28	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: $3.77 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	$3.77 $2.45 $2.22 $1.86 View $1.75 $1.54 $1.36 $1.34 $1.28	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: $1.23 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 $1.23 $1.21 $1.16	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: $1.23 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 $1.23 $1.21 $1.16	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: $3.56 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 $3.56 $2.30 $2.05 Reel $1.69 $1.59 View $1.39 $1.23 $1.21 $1.16 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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