Current Sense Resistors - SMD

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Reliable BMS Protection Solutions

Littelfuse provides a wide portfolio of products designed for reliable BMS protection, from EVs to grids. These products include fuses, TVS diodes, gate drivers, solid-state relays, sensors, and resistors. From small APL applications to utility grids, Littelfuse offers various modules and products with a wide range of specifications, ensuring engineers can find the most suitable choice for any project.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Packaging	Series	Resistance	Tolerance	Case Code - in	Case Code - mm	Length	Width	Height	Technology	Termination	Termination Style
Current Sense Resistors - SMD 2T SSA3921 8W 70ppm 0.75mOhm 1.0 SSA3921L0M75FWR Littelfuse 1: $2.83 3,000In Stock	Mfr. Part # SSA3921L0M75FWR Mouser Part # 576-SSA3921L0M75FWR	Littelfuse	Current Sense Resistors - SMD 2T SSA3921 8W 70ppm 0.75mOhm 1.0 Learn More about Littelfuse ssa current shunt resistors	Datasheet	3,000In Stock	Cut Tape $2.83 $1.89 $1.47 $1.33 View Reel $0.904 $1.17 $1.08 $0.914 $0.904 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	750 uOhms	1 %	3921	50110 (Reversed)	10 mm (0.394 in)	5.2 mm (0.205 in)	0.56 mm (0.022 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA3921 6W 50ppm 3mOhm 5.0% SSA3921LR003JWR Littelfuse 1: $2.52 2,990In Stock	Mfr. Part # SSA3921LR003JWR Mouser Part # 576-SSA3921LR003JWR	Littelfuse	Current Sense Resistors - SMD 2T SSA3921 6W 50ppm 3mOhm 5.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	2,990In Stock	Cut Tape $2.52 $1.68 $1.29 $1.17 View Reel $0.787 $1.03 $0.941 $0.798 $0.787 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	3 mOhms	5 %	3921	50110 (Reversed)	10 mm (0.394 in)	5.2 mm (0.205 in)	0.38 mm (0.015 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA5931 10W 50ppm 1mOhm 1.0 SSA5931LR001FDR Littelfuse 1: $2.81 2,460In Stock	Mfr. Part # SSA5931LR001FDR Mouser Part # 576-SSA5931LR001FDR	Littelfuse	Current Sense Resistors - SMD 2T SSA5931 10W 50ppm 1mOhm 1.0 Learn More about Littelfuse ssa current shunt resistors	Datasheet	2,460In Stock	Cut Tape $2.81 $1.87 $1.46 $1.31 Reel $0.884 View $1.16 $1.05 $0.884 $0.874 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	SSA	1 mOhms	1 %	5931	15078	15 mm (0.591 in)	7.75 mm (0.305 in)	1.07 mm (0.042 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA2512 6W 150ppm 0.5mOhm 1.0 SSA2512L0M50FWR Littelfuse 1: $1.60 2,045In Stock 3,000Expected 1/12/2027	Mfr. Part # SSA2512L0M50FWR Mouser Part # 576-SSA2512L0M50FWR	Littelfuse	Current Sense Resistors - SMD 2T SSA2512 6W 150ppm 0.5mOhm 1.0 Learn More about Littelfuse ssa current shunt resistors	Datasheet	2,045In Stock 3,000Expected 1/12/2027	Cut Tape $1.60 $1.04 $0.801 $0.722 View Reel $0.439 $0.633 $0.572 $0.477 $0.439 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	500 uOhms	1 %	2512	6432	6.35 mm (0.25 in)	3.02 mm (0.119 in)	0.85 mm (0.033 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA2512 6W 100ppm 1mOhm 1.0 SSA2512LR001FWR Littelfuse 1: $1.39 2,695In Stock	Mfr. Part # SSA2512LR001FWR Mouser Part # 576-SSA2512LR001FWR	Littelfuse	Current Sense Resistors - SMD 2T SSA2512 6W 100ppm 1mOhm 1.0 Learn More about Littelfuse ssa current shunt resistors	Datasheet	2,695In Stock	Cut Tape $1.39 $0.907 $0.694 $0.637 View Reel $0.38 $0.564 $0.51 $0.443 $0.38 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	1 mOhms	1 %	2512	6432	6.35 mm (0.25 in)	3.02 mm (0.119 in)	0.44 mm (0.017 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA2512 6W 50ppm 2mOhm 1.0% SSA2512LR002FWR Littelfuse 1: $1.39 2,235In Stock	Mfr. Part # SSA2512LR002FWR Mouser Part # 576-SSA2512LR002FWR	Littelfuse	Current Sense Resistors - SMD 2T SSA2512 6W 50ppm 2mOhm 1.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	2,235In Stock	Cut Tape $1.39 $0.907 $0.694 $0.625 View Reel $0.38 $0.547 $0.499 $0.42 $0.38 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	2 mOhms	1 %	2512	6432	6.35 mm (0.25 in)	3.02 mm (0.119 in)	0.67 mm (0.026 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA2512 4W 50ppm 3mOhm 1.0% SSA2512LR003FWR Littelfuse 1: $1.39 1,887In Stock	Mfr. Part # SSA2512LR003FWR Mouser Part # 576-SSA2512LR003FWR	Littelfuse	Current Sense Resistors - SMD 2T SSA2512 4W 50ppm 3mOhm 1.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	1,887In Stock	Cut Tape $1.39 $0.907 $0.694 $0.625 View Reel $0.442 $0.547 $0.499 $0.459 $0.442 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	3 mOhms	1 %	2512	6432	6.35 mm (0.25 in)	3.02 mm (0.119 in)	0.42 mm (0.017 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA3921 9W 70ppm 0.5mOhm 1.0% SSA3921L0M50FWR Littelfuse 1: $2.83 1,926In Stock	Mfr. Part # SSA3921L0M50FWR Mouser Part # 576-SSA3921L0M50FWR	Littelfuse	Current Sense Resistors - SMD 2T SSA3921 9W 70ppm 0.5mOhm 1.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	1,926In Stock	Cut Tape $2.83 $1.89 $1.47 $1.33 View Reel $0.904 $1.17 $1.08 $0.914 $0.904 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	500 uOhms	1 %	3921	50110 (Reversed)	10 mm (0.394 in)	5.2 mm (0.205 in)	0.83 mm (0.033 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA5931 8W 100ppm 0.5mOhm 1.0 SSA5931L0M50FDR Littelfuse 1: $3.04 1,455In Stock	Mfr. Part # SSA5931L0M50FDR Mouser Part # 576-SSA5931L0M50FDR	Littelfuse	Current Sense Resistors - SMD 2T SSA5931 8W 100ppm 0.5mOhm 1.0 Learn More about Littelfuse ssa current shunt resistors	Datasheet	1,455In Stock	Cut Tape $3.04 $2.03 $1.59 $1.43 Reel $1.08 View $1.26 $1.16 $1.08 $1.06 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	SSA	500 uOhms	1 %	5931	15078	15 mm (0.591 in)	7.75 mm (0.305 in)	0.62 mm (0.024 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA2512 6W 150ppm 0.5mOhm 5.0 SSA2512L0M50JWR Littelfuse 1: $1.31 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA2512L0M50JWR Mouser Part # 576-SSA2512L0M50JWR	Littelfuse	Current Sense Resistors - SMD 2T SSA2512 6W 150ppm 0.5mOhm 5.0 Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape $1.31 $0.857 $0.654 $0.589 View Reel $0.412 $0.516 $0.471 $0.432 $0.412 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	500 uOhms	5 %	2512	6432	6.35 mm (0.25 in)	3.02 mm (0.119 in)	0.85 mm (0.033 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA2512 6W 100ppm 1mOhm 5.0 SSA2512LR001JWR Littelfuse 1: $1.31 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA2512LR001JWR Mouser Part # 576-SSA2512LR001JWR	Littelfuse	Current Sense Resistors - SMD 2T SSA2512 6W 100ppm 1mOhm 5.0 Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape $1.31 $0.857 $0.654 $0.589 View Reel $0.355 $0.516 $0.471 $0.394 $0.355 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	1 mOhms	5 %	2512	6432	6.35 mm (0.25 in)	3.02 mm (0.119 in)	0.44 mm (0.017 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA2512 6W 50ppm 2mOhm 5.0% SSA2512LR002JWR Littelfuse 1: $1.42 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA2512LR002JWR Mouser Part # 576-SSA2512LR002JWR	Littelfuse	Current Sense Resistors - SMD 2T SSA2512 6W 50ppm 2mOhm 5.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape $1.42 $0.926 $0.707 $0.612 View Reel $0.355 $0.54 $0.489 $0.394 $0.355 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	2 mOhms	5 %	2512	6432	6.35 mm (0.25 in)	3.02 mm (0.119 in)	0.67 mm (0.026 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA2512 4W 50ppm 3mOhm 5.0% SSA2512LR003JWR Littelfuse 3,000: $0.412 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA2512LR003JWR Mouser Part # 576-SSA2512LR003JWR	Littelfuse	Current Sense Resistors - SMD 2T SSA2512 4W 50ppm 3mOhm 5.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.412	Min.: 3,000 Mult.: 3,000 : 3,000	Reel	SSA	3 mOhms	5 %	2512	6432	6.35 mm (0.25 in)	3.02 mm (0.119 in)	0.42 mm (0.017 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA2512 4W 50ppm 4mOhm 1.0% SSA2512LR004FWR Littelfuse 1: $1.39 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA2512LR004FWR Mouser Part # 576-SSA2512LR004FWR	Littelfuse	Current Sense Resistors - SMD 2T SSA2512 4W 50ppm 4mOhm 1.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape $1.39 $0.907 $0.694 $0.625 View Reel $0.38 $0.547 $0.499 $0.413 $0.38 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	4 mOhms	1 %	2512	6432	6.35 mm (0.25 in)	3.02 mm (0.119 in)	0.33 mm (0.013 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA2512 4W 50ppm 4mOhm 5.0% SSA2512LR004JWR Littelfuse 3,000: $0.355 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA2512LR004JWR Mouser Part # 576-SSA2512LR004JWR	Littelfuse	Current Sense Resistors - SMD 2T SSA2512 4W 50ppm 4mOhm 5.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.355	Min.: 3,000 Mult.: 3,000 : 3,000	Reel	SSA	4 mOhms	5 %	2512	6432	6.35 mm (0.25 in)	3.02 mm (0.119 in)	0.33 mm (0.013 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA3921 9W 150ppm 0.2mOhm 1.0% SSA3921L0M20FWR Littelfuse 1: $2.83 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA3921L0M20FWR Mouser Part # 576-SSA3921L0M20FWR	Littelfuse	Current Sense Resistors - SMD 2T SSA3921 9W 150ppm 0.2mOhm 1.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape $2.83 $1.89 $1.47 $1.33 View Reel $0.904 $1.17 $1.08 $0.914 $0.904 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	200 uOhms	1 %	3921	50110 (Reversed)	10 mm (0.394 in)	5.2 mm (0.205 in)	1.4 mm (0.055 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA3921 9W 150ppm 0.2mOhm 5.0% SSA3921L0M20JWR Littelfuse 1: $2.73 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA3921L0M20JWR Mouser Part # 576-SSA3921L0M20JWR	Littelfuse	Current Sense Resistors - SMD 2T SSA3921 9W 150ppm 0.2mOhm 5.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape $2.73 $1.77 $1.40 $1.25 View Reel $0.787 $1.08 $0.98 $0.798 $0.787 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	200 uOhms	5 %	3921	50110 (Reversed)	10 mm (0.394 in)	5.2 mm (0.205 in)	1.4 mm (0.055 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA3921 10W 150ppm 0.3mOhm 1.0% SSA3921L0M30FWR Littelfuse 3,000: $0.904 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA3921L0M30FWR Mouser Part # 576-SSA3921L0M30FWR	Littelfuse	Current Sense Resistors - SMD 2T SSA3921 10W 150ppm 0.3mOhm 1.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.904	Min.: 3,000 Mult.: 3,000 : 3,000	Reel	SSA	300 uOhms	1 %	3921	50110 (Reversed)	10 mm (0.394 in)	5.2 mm (0.205 in)	1.28 mm (0.05 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA3921 10W 150ppm 0.3mOhm 5.0% SSA3921L0M30JWR Littelfuse 3,000: $0.787 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA3921L0M30JWR Mouser Part # 576-SSA3921L0M30JWR	Littelfuse	Current Sense Resistors - SMD 2T SSA3921 10W 150ppm 0.3mOhm 5.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.787	Min.: 3,000 Mult.: 3,000 : 3,000	Reel	SSA	300 uOhms	5 %	3921	50110 (Reversed)	10 mm (0.394 in)	5.2 mm (0.205 in)	1.28 mm (0.05 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA3921 9W 70ppm 0.5mOhm 5.0% SSA3921L0M50JWR Littelfuse 1: $2.52 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA3921L0M50JWR Mouser Part # 576-SSA3921L0M50JWR	Littelfuse	Current Sense Resistors - SMD 2T SSA3921 9W 70ppm 0.5mOhm 5.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape $2.52 $1.68 $1.29 $1.17 View Reel $0.787 $1.03 $0.941 $0.798 $0.787 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	500 uOhms	5 %	3921	50110 (Reversed)	10 mm (0.394 in)	5.2 mm (0.205 in)	0.83 mm (0.033 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA3921 8W 70ppm 0.75mOhm 5.0 SSA3921L0M75JWR Littelfuse 3,000: $0.87 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA3921L0M75JWR Mouser Part # 576-SSA3921L0M75JWR	Littelfuse	Current Sense Resistors - SMD 2T SSA3921 8W 70ppm 0.75mOhm 5.0 Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.87	Min.: 3,000 Mult.: 3,000 : 3,000	Reel	SSA	750 uOhms	5 %	3921	50110 (Reversed)	10 mm (0.394 in)	5.2 mm (0.205 in)	0.56 mm (0.022 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA3921 7W 50ppm 1mOhm 1.0 SSA3921LR001FWR Littelfuse 1: $2.64 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA3921LR001FWR Mouser Part # 576-SSA3921LR001FWR	Littelfuse	Current Sense Resistors - SMD 2T SSA3921 7W 50ppm 1mOhm 1.0 Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape $2.64 $1.76 $1.37 $1.23 View Reel $0.832 $1.09 $0.996 $0.842 $0.832 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reel, Cut Tape, MouseReel	SSA	1 mOhms	1 %	3921	50110 (Reversed)	10 mm (0.394 in)	5.2 mm (0.205 in)	0.42 mm (0.017 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA3921 7W 50ppm 1mOhm 5.0 SSA3921LR001JWR Littelfuse 3,000: $0.787 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA3921LR001JWR Mouser Part # 576-SSA3921LR001JWR	Littelfuse	Current Sense Resistors - SMD 2T SSA3921 7W 50ppm 1mOhm 5.0 Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.787	Min.: 3,000 Mult.: 3,000 : 3,000	Reel	SSA	1 mOhms	5 %	3921	50110 (Reversed)	10 mm (0.394 in)	5.2 mm (0.205 in)	0.42 mm (0.017 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA3921 6W 50ppm 2mOhm 1.0% SSA3921LR002FWR Littelfuse 3,000: $0.832 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA3921LR002FWR Mouser Part # 576-SSA3921LR002FWR	Littelfuse	Current Sense Resistors - SMD 2T SSA3921 6W 50ppm 2mOhm 1.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.832	Min.: 3,000 Mult.: 3,000 : 3,000	Reel	SSA	2 mOhms	1 %	3921	50110 (Reversed)	10 mm (0.394 in)	5.2 mm (0.205 in)	0.58 mm (0.023 in)	Metal Film	2 Terminal	SMD/SMT
Current Sense Resistors - SMD 2T SSA3921 6W 50ppm 2mOhm 5.0% SSA3921LR002JWR Littelfuse 3,000: $0.787 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SSA3921LR002JWR Mouser Part # 576-SSA3921LR002JWR	Littelfuse	Current Sense Resistors - SMD 2T SSA3921 6W 50ppm 2mOhm 5.0% Learn More about Littelfuse ssa current shunt resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.787	Min.: 3,000 Mult.: 3,000 : 3,000	Reel	SSA	2 mOhms	5 %	3921	50110 (Reversed)	10 mm (0.394 in)	5.2 mm (0.205 in)	0.58 mm (0.023 in)	Metal Film	2 Terminal	SMD/SMT

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