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 (CLP) 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 SSA2512 6W 150ppm 0.5mOhm 1.0 SSA2512L0M50FWR Littelfuse 1: $1.401 5.051In Stock	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	5.051In Stock	Cut Tape $1.401 $915 $702 $632 View Reel $385 $555 $501 $418 $385 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 SSA3921 8W 70ppm 0.75mOhm 1.0 SSA3921L0M75FWR Littelfuse 1: $2.484 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 $2.484 $1.652 $1.287 $1.162 View Reel $792 $1.025 $943 $801 $792 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: $2.210 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 $2.210 $1.470 $1.134 $1.025 View Reel $689 $907 $825 $700 $689 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: $2.461 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 $2.461 $1.641 $1.276 $1.151 Reel $775 View $1.015 $917 $775 $766 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 100ppm 1mOhm 1.0 SSA2512LR001FWR Littelfuse 1: $1.242 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 $1.242 $811 $621 $554 View Reel $333 $490 $441 $368 $333 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: $1.219 2.125In Stock 3.000Expected 3/29/2027	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 3/29/2027	Cut Tape $1.219 $795 $608 $548 View Reel $333 $480 $437 $368 $333 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: $1.219 1.802In 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	1.802In Stock	Cut Tape $1.219 $795 $608 $548 View Reel $387 $480 $437 $402 $387 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: $2.484 1.916In 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	1.916In Stock	Cut Tape $2.484 $1.652 $1.287 $1.162 View Reel $792 $1.025 $943 $801 $792 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: $2.882 1.420In 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	1.420In Stock	Cut Tape $2.882 $1.857 $1.492 $1.322 Reel $866 View $1.162 $1.061 $866 $865 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 3.000: $361 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	Reel $361	Min.: 3.000 Mult.: 3.000 : 3.000	Reel	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: $1.151 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 $1.151 $751 $573 $516 View Reel $311 $452 $412 $345 $311 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: $1.242 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 $1.242 $811 $620 $537 View Reel $311 $473 $428 $345 $311 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: $361 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 $361	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: $1.219 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 $1.219 $795 $608 $548 View Reel $333 $480 $437 $362 $333 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: $311 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 $311	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: $2.484 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 $2.484 $1.652 $1.287 $1.162 View Reel $792 $1.025 $943 $801 $792 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: $689 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 $689	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: $792 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 $792	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: $689 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 $689	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: $2.210 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 $2.210 $1.470 $1.134 $1.025 View Reel $689 $907 $825 $700 $689 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: $762 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 $762	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: $2.313 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 $2.313 $1.538 $1.196 $1.078 View Reel $729 $954 $873 $738 $729 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: $689 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 $689	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: $729 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 $729	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: $689 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 $689	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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