Current Sense Resistors - SMD

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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: $2.18 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 $2.18 $1.45 $1.13 $1.02 View Reel $0.695 $0.90 $0.828 $0.703 $0.695 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: $1.94 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 $1.94 $1.29 $0.995 $0.90 View Reel $0.605 $0.796 $0.724 $0.614 $0.605 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: $2.16 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 $2.16 $1.44 $1.12 $1.01 Reel $0.68 View $0.891 $0.805 $0.68 $0.672 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: $1.23 2,051In Stock 3,000Expected 10/29/2026	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	2,051In Stock 3,000Expected 10/29/2026	Cut Tape $1.23 $0.803 $0.616 $0.555 View Reel $0.338 $0.487 $0.44 $0.367 $0.338 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: $1.09 2,675In 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	2,675In Stock	Cut Tape $1.09 $0.712 $0.545 $0.486 View Reel $0.292 $0.43 $0.387 $0.323 $0.292 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: $1.07 2,125In Stock 3,000Expected 3/18/2027	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	2,125In Stock 3,000Expected 3/18/2027	Cut Tape $1.07 $0.698 $0.534 $0.481 View Reel $0.292 $0.421 $0.384 $0.323 $0.292 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: $1.07 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 $1.07 $0.698 $0.534 $0.481 View Reel $0.34 $0.421 $0.384 $0.353 $0.34 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: $2.18 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 $2.18 $1.45 $1.13 $1.02 View Reel $0.695 $0.90 $0.828 $0.703 $0.695 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: $2.53 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 $2.53 $1.63 $1.31 $1.16 Reel $0.76 View $1.02 $0.931 $0.76 $0.759 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: $1.01 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 $1.01 $0.659 $0.503 $0.453 View Reel $0.317 $0.397 $0.362 $0.332 $0.317 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: $1.01 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 $1.01 $0.659 $0.503 $0.453 View Reel $0.273 $0.397 $0.362 $0.303 $0.273 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: $1.09 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 $1.09 $0.712 $0.544 $0.471 View Reel $0.273 $0.415 $0.376 $0.303 $0.273 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: $0.317 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 $0.317	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: $1.07 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 $1.07 $0.698 $0.534 $0.481 View Reel $0.292 $0.421 $0.384 $0.318 $0.292 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: $0.273 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 $0.273	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: $2.18 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 $2.18 $1.45 $1.13 $1.02 View Reel $0.695 $0.90 $0.828 $0.703 $0.695 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 3,000: $0.605 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	Reel $0.605	Min.: 3,000 Mult.: 3,000 : 3,000	Reel	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: $0.695 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 $0.695	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: $0.605 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 $0.605	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: $1.94 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 $1.94 $1.29 $0.995 $0.90 View Reel $0.605 $0.796 $0.724 $0.614 $0.605 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: $0.669 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 $0.669	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: $2.03 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 $2.03 $1.35 $1.05 $0.946 View Reel $0.64 $0.837 $0.766 $0.648 $0.64 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: $0.605 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 $0.605	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: $0.64 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 $0.64	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: $0.605 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 $0.605	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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