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 (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	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 2watts 0.25ohms 1% WSR2R2500FBA Vishay / Dale 1: ¥797.3 75In Stock	Mfr. Part # WSR2R2500FBA Mouser Part # 71-WSR-2-0.25	Vishay / Dale	Current Sense Resistors - SMD 2watts 0.25ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	75In Stock	¥797.3 ¥495 ¥493.3 ¥395.3 View ¥325.6 ¥323.9	Min.: 1 Mult.: 1	No	Bulk	WSR	250 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 0.33ohms 1% WSR2R3300FBA Vishay / Dale 1: ¥797.3 94In Stock	Mfr. Part # WSR2R3300FBA Mouser Part # 71-WSR-2-0.33	Vishay / Dale	Current Sense Resistors - SMD 2watts 0.33ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	94In Stock	¥797.3 ¥493.3 ¥446.8 ¥378.7 View ¥315.6 ¥312.3 ¥289 ¥280.7 ¥270.7	Min.: 1 Mult.: 1	No	Bulk	WSR	330 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 1ohms 1% WSR21R000FBA Vishay / Dale 1: ¥797.3 75In Stock	Mfr. Part # WSR21R000FBA Mouser Part # 71-WSR-2-1.0	Vishay / Dale	Current Sense Resistors - SMD 2watts 1ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	75In Stock	¥797.3 ¥493.3 ¥446.8 ¥352.1 ¥325.6	Min.: 1 Mult.: 1	No	Bulk	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 3watts 0.003ohms 1% WSR33L000FBA Vishay / Dale 1: ¥1,101.2 90In Stock	Mfr. Part # WSR33L000FBA Mouser Part # 71-WSR-3-0.003	Vishay / Dale	Current Sense Resistors - SMD 3watts 0.003ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	90In Stock	¥1,101.2 ¥687.7 ¥642.8 ¥641.1 View ¥463.4 ¥451.8 Quote	Min.: 1 Mult.: 1	No	Bulk	WSR	3 mOhms	3 W	1 %	450 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 0.02ohms 1% WSR3R0200FBA Vishay / Dale 1: ¥887 90In Stock	Mfr. Part # WSR3R0200FBA Mouser Part # 71-WSR-3-0.02	Vishay / Dale	Current Sense Resistors - SMD 3watts 0.02ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	90In Stock	¥887 ¥556.4 ¥554.8 ¥375.4	Min.: 1 Mult.: 1	No	Bulk	WSR	20 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 0.04ohms 1% WSR3R0400FBA Vishay / Dale 1: ¥887 87In Stock	Mfr. Part # WSR3R0400FBA Mouser Part # 71-WSR-3-0.04	Vishay / Dale	Current Sense Resistors - SMD 3watts 0.04ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	87In Stock	¥887 ¥544.8 ¥500 ¥493.3 View ¥363.8 ¥352.1 ¥345.5	Min.: 1 Mult.: 1	No	Bulk	WSR	40 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 0.2ohms 1% WSR3R2000FBA Vishay / Dale 1: ¥817.2 191In Stock	Mfr. Part # WSR3R2000FBA Mouser Part # 71-WSR-3-0.2	Vishay / Dale	Current Sense Resistors - SMD 3watts 0.2ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	191In Stock	¥817.2 ¥504.9 ¥456.8 ¥362.1 View ¥323.9 ¥320.6 ¥299 ¥290.7 ¥280.7	Min.: 1 Mult.: 1	No	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 .004ohms 1% WSR24L000FEA Vishay / Dale 1: ¥485 857In Stock	Mfr. Part # WSR24L000FEA Mouser Part # 71-WSR24L000FEA	Vishay / Dale	Current Sense Resistors - SMD 2watts .004ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	857In Stock	Cut Tape ¥485 ¥323.9 ¥252.5 ¥229.2 Reel ¥161 View ¥201 ¥179.4 ¥161 ¥157.1 ¥156 MouseReel Available	Min.: 1 Mult.: 1 : 1,500		Reel, Cut Tape, MouseReel	WSR	4 mOhms	2 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 .0499ohms 2watts 1% WSR2R0499FEA Vishay / Dale 1: ¥299 1,383In Stock	Mfr. Part # WSR2R0499FEA Mouser Part # 71-WSR2R0499FEA	Vishay / Dale	Current Sense Resistors - SMD .0499ohms 2watts 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	1,383In Stock	Cut Tape ¥299 ¥184.4 ¥155.3 ¥130.4 Reel ¥92.8 View ¥111.6 ¥102.3 ¥92.8 ¥83.7 ¥83.1 MouseReel Available	Min.: 1 Mult.: 1 : 1,500		Reel, Cut Tape, MouseReel	WSR	49.9 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 .0665 OHM 1% 2W 75PPM WSR2R0665FEA Vishay / Dale 1: ¥272.4 1,500In Stock	Mfr. Part # WSR2R0665FEA Mouser Part # 71-WSR2R0665FEA	Vishay / Dale	Current Sense Resistors - SMD .0665 OHM 1% 2W 75PPM	Datasheet	1,500In Stock	¥272.4 ¥160.1 ¥143.7 ¥136.7 View ¥112 ¥106.8	Min.: 1 Mult.: 1			WSR												Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 2watts .357ohms 1% WSR2R3570FEA Vishay / Dale 1: ¥297.3 939In Stock	Mfr. Part # WSR2R3570FEA Mouser Part # 71-WSR2R3570FEA	Vishay / Dale	Current Sense Resistors - SMD 2watts .357ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	939In Stock	Cut Tape ¥297.3 ¥182.7 ¥145 ¥118.3 Reel ¥84 View ¥105.6 ¥91.4 ¥84 ¥74.7 ¥72.1 MouseReel Available	Min.: 1 Mult.: 1 : 1,500		Reel, Cut Tape, MouseReel	WSR	357 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 .12 OHM 1% 3W 75PPM WSR3R1200FEA Vishay / Dale 1: ¥277.4 1,480In Stock	Mfr. Part # WSR3R1200FEA Mouser Part # 71-WSR3R1200FEA	Vishay / Dale	Current Sense Resistors - SMD .12 OHM 1% 3W 75PPM	Datasheet	1,480In Stock	¥277.4 ¥163.1 ¥146.3 ¥126.1 View ¥112.1 ¥108.8	Min.: 1 Mult.: 1			WSR	120 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 0.12ohms 1% WSR2R1200FTA Vishay / Dale 1: ¥769 274In Stock	Mfr. Part # WSR2R1200FTA Mouser Part # 71-WSR-2-0.12	Vishay / Dale	Current Sense Resistors - SMD 2watts 0.12ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	274In Stock	Cut Tape ¥769 ¥403.6 ¥255.8 ¥239.2 Reel ¥225.9 View ¥227.6 ¥204.3 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	No	Reel, Cut Tape, MouseReel	WSR	120 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 .8ohms 2watts 1% WSR2R8000FEK Vishay / Dale 1: ¥269.1 7,496Expected 1/5/2027	Mfr. Part # WSR2R8000FEK Mouser Part # 71-WSR2R8000FEK	Vishay / Dale	Current Sense Resistors - SMD .8ohms 2watts 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	7,496Expected 1/5/2027	¥269.1 ¥169.4 ¥149.8 ¥136 View ¥130.7 ¥123.1 ¥109.5 ¥97.7 ¥92.7	Min.: 1 Mult.: 1		Bulk	WSR	800 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 5watts .012ohms 1% WSR5R0120FEA Vishay / Dale 1: ¥528.2 3,000On Order	Mfr. Part # WSR5R0120FEA Mouser Part # 71-WSR5R0120FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .012ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	3,000On Order On Order Ship Dates Mfr. #: WSR5R0120FEA Stock: 0 On Order: 1,500 Expected 11/3/2026 1,500 Expected 11/17/2026 Factory Lead-Time: 16 Weeks	Cut Tape ¥528.2 ¥382 ¥328.9 ¥312.3 Reel ¥265.8 View ¥297.3 ¥287.4 ¥267.4 ¥252.5 MouseReel Available	Min.: 1 Mult.: 1 : 1,500		Reel, Cut Tape, MouseReel	WSR High Power	12 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 .04ohms 2watts 1% WSR2R0400FTA Vishay / Dale 1: ¥465.1 1,499Expected 12/1/2026	Mfr. Part # WSR2R0400FTA Mouser Part # 71-WSR-2.041%R86	Vishay / Dale	Current Sense Resistors - SMD .04ohms 2watts 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	1,499Expected 12/1/2026	Cut Tape ¥465.1 ¥328.9 ¥280.7 ¥265.8 Reel ¥249.2 View ¥250.8 ¥240.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	No	Reel, Cut Tape, MouseReel	WSR	40 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 0.04ohms 1% WSR2R0400FBA Vishay / Dale 1: ¥868.7 75Expected 2/5/2027	Mfr. Part # WSR2R0400FBA Mouser Part # 71-WSR-2-0.04	Vishay / Dale	Current Sense Resistors - SMD 2watts 0.04ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	75Expected 2/5/2027	¥868.7 ¥533.2 ¥518.2 ¥516.6 ¥365.4	Min.: 1 Mult.: 1	No	Bulk	WSR	40 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 0.48ohms 1% WSR2R4700FBA Vishay / Dale 1: ¥797.3 99Expected 11/4/2026	Mfr. Part # WSR2R4700FBA Mouser Part # 71-WSR-2-0.47	Vishay / Dale	Current Sense Resistors - SMD 2watts 0.48ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	99Expected 11/4/2026	¥797.3 ¥493.3 ¥446.8 ¥438.5 View ¥323.9 ¥315.6 ¥307.3	Min.: 1 Mult.: 1	No	Bulk	WSR	470 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 5watts .015ohms 1% WSR5R0150FEK Vishay / Dale 1: ¥875.3 18,000Stock Available	Mfr. Part # WSR5R0150FEK Mouser Part # 71-WSR5R0150FEK	Vishay / Dale	Current Sense Resistors - SMD 5watts .015ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	18,000Stock Available More Info Available	¥875.3 ¥302.3	Min.: 1 Mult.: 1		Bulk	WSR High Power	15 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 .01 OHM .5% 2W 75PPM WSR2R0100DEA Vishay / Dale 1,500: ¥267.4 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # WSR2R0100DEA Mouser Part # 71-WSR2R0100DEA	Vishay / Dale	Current Sense Resistors - SMD .01 OHM .5% 2W 75PPM	Datasheet	Non-Stocked Lead-Time 16 Weeks	¥267.4	Min.: 1,500 Mult.: 1,500			WSR												Metal Element	Standard	SMD/SMT	AEC-Q200
Current Sense Resistors - SMD 2watts 0.015ohms 1% WSR2R0150FEB Vishay / Dale 8,000: ¥109.5 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # WSR2R0150FEB Mouser Part # 71-WSR2R0150FEB	Vishay / Dale	Current Sense Resistors - SMD 2watts 0.015ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape ¥109.5 ¥108.5	Min.: 8,000 Mult.: 1,000 : 1,000		Reel	WSR	15 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 5watts .0015ohms 1% WSR51L500FEA Vishay / Dale 1,500: ¥242.5 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # WSR51L500FEA Mouser Part # 71-WSR51L500FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .0015ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel ¥242.5	Min.: 1,500 Mult.: 1,500 : 1,500		Reel	WSR High Power	1.5 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 .006ohms 1% WSR56L000FEA Vishay / Dale 1,500: ¥225.9 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # WSR56L000FEA Mouser Part # 71-WSR56L000FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .006ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel ¥225.9 ¥224.2	Min.: 1,500 Mult.: 1,500 : 1,500		Reel	WSR High Power	6 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 5watts .007ohms 1% WSR57L000FEA Vishay / Dale 1,500: ¥225.9 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # WSR57L000FEA Mouser Part # 71-WSR57L000FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .007ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel ¥225.9	Min.: 1,500 Mult.: 1,500 : 1,500		Reel	WSR High Power	7 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 WSR-2 .001 1% EK e2 WSR21L000FEK Vishay / Dale 7,500: ¥155.5 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # WSR21L000FEK Mouser Part # 71-WSR21L000FEK	Vishay / Dale	Current Sense Resistors - SMD WSR-2 .001 1% EK e2	Datasheet	Non-Stocked Lead-Time 16 Weeks	¥155.5 ¥149.2	Min.: 7,500 Mult.: 100		Bulk	WSR					4527	11570						Metal Element	Standard	SMD/SMT	AEC-Q200

1 mOhms
1.35 mOhms
1.5 mOhms
2 mOhms
2.2 mOhms
2.5 mOhms
3 mOhms
3.57 mOhms
4 mOhms
5 mOhms
6 mOhms
6.8 mOhms
7 mOhms
7.5 mOhms
8 mOhms
9 mOhms
10 mOhms
12 mOhms
12.5 mOhms
15 mOhms