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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 (EUR) 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: €2.31 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	€2.31 €1.51 €1.37 €1.15 View €1.08 €0.937 €0.838 €0.82 €0.782	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: €2.30 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	€2.30 €1.50 €1.36 €1.14 View €1.08 €0.937 €0.838 €0.82 €0.782	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: €1.49 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	€1.49 €0.946 €0.849 €0.699 View €0.609 €0.577 €0.496 €0.463 €0.452	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: €0.452 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 €0.452	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: €2.02 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	€2.02 €1.30 €1.16 €0.955 View €0.903 €0.79 €0.697 €0.688 €0.658	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: €0.658 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 €0.658	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: €0.525 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	€0.525 €0.51	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: €0.525 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 €0.525 €0.51	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: €1.70 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 €1.70 €1.08 €0.963 €0.799 Reel €0.697 View €0.66 €0.554 €0.525 €0.51 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: €0.754 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	€0.754 €0.722	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: €0.754 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 €0.754 €0.722	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: €2.21 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 €2.21 €1.43 €1.27 €1.05 Reel €0.989 View €0.86 €0.765 €0.754 €0.722 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: €0.624 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	€0.624 €0.59 €0.574	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: €1.91 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 €1.91 €1.22 €1.08 €0.894 Reel €0.624 View €0.783 €0.742 €0.59 €0.574 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: €1.91 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	€1.91 €1.22 €1.08 €0.894 View €0.783 €0.742 €0.624 €0.59 €0.574	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: €0.838 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 €0.838 €0.82 €0.782	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: €0.617 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	€0.617 €0.599	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: €0.617 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 €0.617 €0.599	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: €2.00 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	€2.00 €1.27 €1.14 €0.937 View €0.818 €0.775 €0.651 €0.617 €0.599	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: €0.847 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	€0.847 €0.808	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: €0.847 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 €0.847 €0.808	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: €2.38 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	€2.38 €1.55 €1.40 €1.18 View €1.11 €0.972 €0.86 €0.847 €0.808	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: €0.778 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 €0.778 €0.768 €0.734	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: €0.778 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 €0.778 €0.768 €0.734	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: €2.25 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 €2.25 €1.45 €1.30 Reel €1.07 €1.01 View €0.877 €0.778 €0.768 €0.734 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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