Current Sense Resistors - SMD

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WSR SMD High Power Metal Strip® Resistors

Vishay / Dale WSR Power Metal Strip^® Resistors, are surface-mount devices that provide high power ratings up to 5W and low resistance values down to 0.001Ω. The series is ideally suited for a variety of current sensing, voltage division, and pulse applications, including switching and linear power supplies, instruments, and power amplifiers. Vishay / Dale WSR Power Metal Strip Resistors feature all-welded construction and a solid metal nickel-chrome or manganese-copper alloy resistive element with low TCR (<20ppm/°C). The series offers solderable terminations, very low inductance (0.5nH to 5nH), excellent frequency response to 50MHz, and low thermal EMF (<3µV/°C), as well as RoHS compliance.

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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	Power Rating	Tolerance	Temperature Coefficient	Case Code - in	Case Code - mm	Length	Width	Height	Minimum Operating Temperature	Maximum Operating Temperature	Technology	Termination	Termination Style	Qualification
Current Sense Resistors - SMD .001ohms 2watts 1% WSR21L000FEB Vishay / Dale 1: $2.81 27,537In Stock	Mfr. Part # WSR21L000FEB Mouser Part # 71-WSR21L000FEB	Vishay / Dale	Current Sense Resistors - SMD .001ohms 2watts 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	27,537In Stock	Cut Tape $2.81 $1.72 $1.57 $1.24 Reel $0.907 View $1.05 $0.933 $0.777 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Reel, Cut Tape, MouseReel	WSR	1 mOhms	2 W	1 %	750 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD .1ohms 3watts 1% WSR3R1000FEK Vishay / Dale 1: $2.05 55,115In Stock	Mfr. Part # WSR3R1000FEK Mouser Part # 71-WSR3R1000FEK	Vishay / Dale	Current Sense Resistors - SMD .1ohms 3watts 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	55,115In Stock	$2.05 $1.25 $1.08 $0.892 View $0.772 $0.707 $0.662	Min.: 1 Mult.: 1	Bulk	WSR	100 mOhms	3 W	1 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 5watts .05ohms 1% WSR5R0500FEA Vishay / Dale 1: $4.12 19,441In Stock	Mfr. Part # WSR5R0500FEA Mouser Part # 71-WSR5R0500FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .05ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	19,441In Stock	Cut Tape $4.12 $2.98 $2.57 $2.44 Reel $2.04 View $2.33 $2.07 $1.98 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR High Power	50 mOhms	5 W	1 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 5watts 0.05ohms 1% WSR5R0500FEK Vishay / Dale 1: $3.76 13,439In Stock 1,500On Order	Mfr. Part # WSR5R0500FEK Mouser Part # 71-WSR5R0500FEK	Vishay / Dale	Current Sense Resistors - SMD 5watts 0.05ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	13,439In Stock 1,500On Order	$3.76 $2.46 $2.31 $2.30 View $2.05 $1.98	Min.: 1 Mult.: 1	Bulk	WSR High Power	50 mOhms	5 W	1 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 5watts .001ohms 1% WSR51L000FEA Vishay / Dale 1: $4.72 3,332In Stock	Mfr. Part # WSR51L000FEA Mouser Part # 71-WSR51L000FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .001ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	3,332In Stock	Cut Tape $4.72 $3.19 $2.50 $2.28 Reel $1.60 View $2.03 $1.89 $1.72 $1.55 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR High Power	1 mOhms	5 W	1 %	750 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 5watts .005ohms 1% WSR55L000FEA Vishay / Dale 1: $4.30 8,082In Stock	Mfr. Part # WSR55L000FEA Mouser Part # 71-WSR55L000FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .005ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	8,082In Stock	Cut Tape $4.30 $2.90 $2.28 $2.07 View Reel $1.44 $1.85 $1.70 $1.55 $1.44 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR High Power	5 mOhms	5 W	1 %	110 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 2watts .001ohms 1% WSR21L000FEA Vishay / Dale 1: $2.08 4,101In Stock	Mfr. Part # WSR21L000FEA Mouser Part # 71-WSR21L000FEA	Vishay / Dale	Current Sense Resistors - SMD 2watts .001ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	4,101In Stock	Cut Tape $2.08 $1.38 $1.35 $0.984 Reel $0.909 View $0.909 $0.907 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR	1 mOhms	2 W	1 %	750 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 2watts 1ohms 1% WSR21R000FEB Vishay / Dale 1: $2.30 5,849In Stock	Mfr. Part # WSR21R000FEB Mouser Part # 71-WSR21R000FEB	Vishay / Dale	Current Sense Resistors - SMD 2watts 1ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	5,849In Stock	Cut Tape $2.30 $1.33 $1.08 $0.805 View Reel $0.564 $0.719 $0.621 $0.564 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Reel, Cut Tape, MouseReel	WSR	1 Ohms	2 W	1 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 2watts .008ohms 1% WSR28L000FEA Vishay / Dale 1: $2.73 4,364In Stock	Mfr. Part # WSR28L000FEA Mouser Part # 71-WSR28L000FEA	Vishay / Dale	Current Sense Resistors - SMD 2watts .008ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	4,364In Stock	Cut Tape $2.73 $1.61 $1.44 $1.14 View Reel $0.835 $0.975 $0.893 $0.835 $0.835 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR	8 mOhms	2 W	1 %	110 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 3watts .008ohms 1% WSR38L000FEA Vishay / Dale 1: $2.80 5,998In Stock	Mfr. Part # WSR38L000FEA Mouser Part # 71-WSR38L000FEA	Vishay / Dale	Current Sense Resistors - SMD 3watts .008ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	5,998In Stock	Cut Tape $2.80 $1.81 $1.60 $1.38 Reel $1.21 View $1.22 $1.21 $1.20 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR	8 mOhms	3 W	1 %	110 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 2watts 0.01ohms 1% WSR2R0100FEB Vishay / Dale 1: $2.13 7,292In Stock	Mfr. Part # WSR2R0100FEB Mouser Part # 71-WSR2R0100FEB	Vishay / Dale	Current Sense Resistors - SMD 2watts 0.01ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	7,292In Stock	Cut Tape $2.13 $1.25 $1.12 $0.888 View Reel $0.65 $0.761 $0.696 $0.65 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Reel, Cut Tape, MouseReel	WSR	10 mOhms	2 W	1 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 2watts .02ohms 1% WSR2R0200FEA Vishay / Dale 1: $1.52 9,816In Stock	Mfr. Part # WSR2R0200FEA Mouser Part # 71-WSR2R0200FEA	Vishay / Dale	Current Sense Resistors - SMD 2watts .02ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	9,816In Stock	Cut Tape $1.52 $0.952 $0.78 $0.723 Reel $0.551 View $0.664 $0.631 $0.551 $0.532 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR	20 mOhms	2 W	1 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD .1ohms 2watts 1% WSR2R1000FEK Vishay / Dale 1: $2.30 4,540In Stock	Mfr. Part # WSR2R1000FEK Mouser Part # 71-WSR2R1000FEK	Vishay / Dale	Current Sense Resistors - SMD .1ohms 2watts 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	4,540In Stock	$2.30 $1.33 $1.08 $0.803 View $0.718 $0.62 $0.564	Min.: 1 Mult.: 1	Bulk	WSR	100 mOhms	2 W	1 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 3watts 0.05ohms 1% WSR3R0500FEB Vishay / Dale 1: $2.42 2,990In Stock	Mfr. Part # WSR3R0500FEB Mouser Part # 71-WSR3R0500FEB	Vishay / Dale	Current Sense Resistors - SMD 3watts 0.05ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	2,990In Stock	Cut Tape $2.42 $1.43 $1.27 $1.00 View Reel $0.736 $0.861 $0.788 $0.736 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Reel, Cut Tape, MouseReel	WSR	50 mOhms	3 W	1 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 3watts .07ohms 1% WSR3R0700FEA Vishay / Dale 1: $1.64 4,579In Stock	Mfr. Part # WSR3R0700FEA Mouser Part # 71-WSR3R0700FEA	Vishay / Dale	Current Sense Resistors - SMD 3watts .07ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	4,579In Stock	Cut Tape $1.64 $1.06 $0.853 $0.792 Reel $0.61 View $0.731 $0.696 $0.61 $0.589 $0.582 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR	70 mOhms	3 W	1 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 5watts .0075ohms 1% WSR57L500FEA Vishay / Dale 1: $3.22 2,930In Stock	Mfr. Part # WSR57L500FEA Mouser Part # 71-WSR57L500FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .0075ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	2,930In Stock	Cut Tape $3.22 $2.72 $2.30 $2.13 Reel $1.91 View $1.92 $1.61 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR High Power	7.5 mOhms	5 W	1 %	110 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD .18ohms 2watts 1% WSR2R1800FEA Vishay / Dale 1: $2.30 6,165In Stock	Mfr. Part # WSR2R1800FEA Mouser Part # 71-WSR2R1800FEA	Vishay / Dale	Current Sense Resistors - SMD .18ohms 2watts 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	6,165In Stock	Cut Tape $2.30 $1.33 $1.08 $0.805 Reel $0.589 View $0.719 $0.621 $0.589 $0.564 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR	180 mOhms	2 W	1 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 3watts .006ohms 1% WSR36L000FEA Vishay / Dale 1: $2.41 7,419In Stock	Mfr. Part # WSR36L000FEA Mouser Part # 71-WSR36L000FEA	Vishay / Dale	Current Sense Resistors - SMD 3watts .006ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	7,419In Stock	Cut Tape $2.41 $1.63 $1.34 $1.24 Reel $0.909 View $1.05 $0.933 $0.909 $0.907 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR	6 mOhms	3 W	1 %	110 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 3watts .007ohms 1% WSR37L000FEA Vishay / Dale 1: $2.56 3,863In Stock	Mfr. Part # WSR37L000FEA Mouser Part # 71-WSR37L000FEA	Vishay / Dale	Current Sense Resistors - SMD 3watts .007ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	3,863In Stock	Cut Tape $2.56 $1.72 $1.46 $1.24 Reel $0.909 View $1.05 $0.933 $0.909 $0.907 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR	7 mOhms	3 W	1 %	110 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD .2ohms 3watts 1% WSR3R2000FEK Vishay / Dale 1: $2.17 5,128In Stock	Mfr. Part # WSR3R2000FEK Mouser Part # 71-WSR3R2000FEK	Vishay / Dale	Current Sense Resistors - SMD .2ohms 3watts 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	5,128In Stock	$2.17 $1.28 $1.15 $0.861 View $0.772 $0.707 $0.662	Min.: 1 Mult.: 1	Bulk	WSR	200 mOhms	3 W	1 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 2watts .005ohms 1% WSR25L000FEA Vishay / Dale 1: $2.11 8,157In Stock	Mfr. Part # WSR25L000FEA Mouser Part # 71-WSR25L000FEA	Vishay / Dale	Current Sense Resistors - SMD 2watts .005ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	8,157In Stock	Cut Tape $2.11 $1.26 $1.11 $0.972 Reel $0.835 View $0.892 $0.849 $0.835 $0.826 $0.818 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR	5 mOhms	2 W	1 %	110 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 2watts 0.2ohms 1% WSR2R2000FEB Vishay / Dale 1: $2.11 8,802In Stock	Mfr. Part # WSR2R2000FEB Mouser Part # 71-WSR2R2000FEB	Vishay / Dale	Current Sense Resistors - SMD 2watts 0.2ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	8,802In Stock	Cut Tape $2.11 $1.33 $1.07 $0.805 View Reel $0.564 $0.719 $0.621 $0.564 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Reel, Cut Tape, MouseReel	WSR	200 mOhms	2 W	1 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 3watts .004ohms 1% WSR34L000FEA Vishay / Dale 1: $2.24 6,927In Stock	Mfr. Part # WSR34L000FEA Mouser Part # 71-WSR34L000FEA	Vishay / Dale	Current Sense Resistors - SMD 3watts .004ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	6,927In Stock	Cut Tape $2.24 $1.50 $1.34 $1.19 Reel $0.933 View $1.09 $0.987 $0.933 $0.932 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR	4 mOhms	3 W	1 %	300 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 3watt .0125ohms 1% WSR3R0125FEA Vishay / Dale 1: $2.42 7,316In Stock	Mfr. Part # WSR3R0125FEA Mouser Part # 71-WSR3R0125FEA	Vishay / Dale	Current Sense Resistors - SMD 3watt .0125ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	7,316In Stock	Cut Tape $2.42 $1.05 $0.963 $0.824 Reel $0.737 View $0.748 $0.737 $0.736 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Reel, Cut Tape, MouseReel	WSR	12.5 mOhms	3 W	1 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD .05ohms 5watts .5% WSR5R0500DEK Vishay / Dale 1: $13.14 1,098In Stock	Mfr. Part # WSR5R0500DEK Mouser Part # 71-WSR5R0500DEK	Vishay / Dale	Current Sense Resistors - SMD .05ohms 5watts .5% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	1,098In Stock	$13.14 $8.15 $7.66 $7.01 View $5.41 $5.37 $4.84 $4.51	Min.: 1 Mult.: 1	Bulk	WSR High Power	50 mOhms	5 W	0.5 %	75 PPM / C	4527	11570	11.56 mm (0.455 in)	6.98 mm (0.275 in)	2.41 mm (0.095 in)	- 65 C	+ 275 C	Metal Element	Standard	SMD/SMT	AEC-Q200