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Current Monitoring for Electric Power Steering

Current monitors, or current sense amplifiers, are special purpose amplifiers that measure electrical current. These amplifiers output a voltage that is proportional to the current flowing in the power rail, or the supply/return to the load relative to ground.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
Current Sense Resistors - SMD 1watt .015ohms 1% WSL2512R0150FEA Vishay / Dale 1: $1.74 76,552In Stock	Mfr. Part # WSL2512R0150FEA Mouser Part # 71-WSL2512R0150FEA	Vishay / Dale	Current Sense Resistors - SMD 1watt .015ohms 1% Learn More about Vishay / Dale vishay dale wsl resistors	Datasheet	76,552In Stock	Cut Tape $1.74 $1.09 $0.906 $0.808 Reel $0.618 View $0.753 $0.69 $0.618 $0.615 $0.612 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD .1ohms 3watts 1% WSR3R1000FEK Vishay / Dale 1: $2.23 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	$2.23 $1.39 $1.16 $0.988 View $0.855 $0.783 $0.634 $0.632 $0.629	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 5watts .05ohms 1% WSR5R0500FEA Vishay / Dale 1: $4.56 18,916In 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	18,916In Stock	Cut Tape $4.56 $3.30 $2.85 $2.71 Reel $2.20 View $2.58 $2.29 $2.07 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 5watts .005ohms 1% WSR55L000FEA Vishay / Dale 1: $4.52 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 $4.52 $3.21 $2.39 $2.19 Reel $1.70 View $2.02 $1.89 $1.71 $1.60 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 2watts 1ohms 1% Vishay / Dale WSR21R000FEB WSR21R000FEB Vishay / Dale 1: $2.55 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 $2.55 $1.47 $1.19 $0.891 View Reel $0.616 $0.796 $0.688 $0.616 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single TSC1031IPT STMicroelectronics 1: $3.24 6,366In Stock	Mfr. Part # TSC1031IPT Mouser Part # 511-TSC1031IPT	STMicroelectronics	Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single	Datasheet	6,366In Stock	Cut Tape $3.24 $2.39 $2.19 $1.96 View Reel $1.67 $1.84 $1.79 $1.73 $1.68 $1.67 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Amplifiers High-Voltage Amp 2.9 to 70 V TSC103IDT STMicroelectronics 1: $3.23 3,893In Stock	Mfr. Part # TSC103IDT Mouser Part # 511-TSC103IDT	STMicroelectronics	Current Sense Amplifiers High-Voltage Amp 2.9 to 70 V	Datasheet	3,893In Stock	Cut Tape $3.23 $2.39 $2.19 $1.96 View Reel $1.57 $1.84 $1.79 $1.73 $1.57 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Current Sense Amplifiers High-side current sense amplifier TSC1021BIPT STMicroelectronics 1: $2.38 2,049In Stock	Mfr. Part # TSC1021BIPT Mouser Part # 511-TSC1021BIPT	STMicroelectronics	Current Sense Amplifiers High-side current sense amplifier	Datasheet	2,049In Stock	Cut Tape $2.38 $1.74 $1.58 $1.42 View Reel $1.11 $1.33 $1.28 $1.26 $1.18 $1.11 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD 2watts .013ohm 1% WSL2512R0130FEA18 Vishay / Dale 1: $2.72 19,279In Stock	Mfr. Part # WSL2512R0130FEA18 Mouser Part # 71-WSL2512R0130FEA18	Vishay / Dale	Current Sense Resistors - SMD 2watts .013ohm 1% Learn More about Vishay / Dale vishaycurrentsense	Datasheet	19,279In Stock	Cut Tape $2.72 $1.60 $1.10 $0.953 Reel $0.727 View $0.851 $0.795 $0.727 $0.706 $0.635 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 1watt .09ohms 1% WSL2512R0900FEA Vishay / Dale 1: $1.37 14,644In Stock	Mfr. Part # WSL2512R0900FEA Mouser Part # 71-WSL2512R0900FEA	Vishay / Dale	Current Sense Resistors - SMD 1watt .09ohms 1% Learn More about Vishay / Dale vishay dale wsl resistors	Datasheet	14,644In Stock	Cut Tape $1.37 $0.772 $0.626 $0.468 View Reel $0.369 $0.408 $0.369 $0.369 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 2watts .02ohms 1% Vishay / Dale WSR2R0200FEA WSR2R0200FEA Vishay / Dale 1: $1.34 9,716In 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	9,716In Stock	Cut Tape $1.34 $0.936 $0.801 $0.756 Reel $0.624 View $0.711 $0.683 $0.624 $0.599 $0.598 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 3watts 0.05ohms 1% WSR3R0500FEB Vishay / Dale 1: $2.68 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 $2.68 $1.58 $1.41 $1.11 View Reel $0.831 $0.953 $0.873 $0.831 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 3watts .07ohms 1% WSR3R0700FEA Vishay / Dale 1: $1.81 4,563In 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	4,563In Stock	Cut Tape $1.81 $1.18 $0.945 $0.877 Reel $0.696 View $0.809 $0.77 $0.696 $0.652 $0.645 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 2watts .014ohm 1% WSL2512R0140FEA18 Vishay / Dale 1: $2.15 10,542In Stock	Mfr. Part # WSL2512R0140FEA18 Mouser Part # 71-WSL2512R0140FEA18	Vishay / Dale	Current Sense Resistors - SMD 2watts .014ohm 1% Learn More about Vishay / Dale vishaycurrentsense	Datasheet	10,542In Stock	Cut Tape $2.15 $1.50 $1.14 $1.05 Reel $0.798 View $0.969 $0.907 $0.798 $0.782 $0.727 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 2watts .005ohms 1% Vishay / Dale WSR25L000FEA WSR25L000FEA Vishay / Dale 1: $1.86 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 $1.86 $1.25 $1.10 $1.02 Reel $0.861 View $0.958 $0.923 $0.861 $0.842 $0.834 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 2watts .028ohm 1% WSL2512R0280FEA18 Vishay / Dale 1: $2.52 10,616In Stock	Mfr. Part # WSL2512R0280FEA18 Mouser Part # 71-WSL2512R0280FEA18	Vishay / Dale	Current Sense Resistors - SMD 2watts .028ohm 1% Learn More about Vishay / Dale vishaycurrentsense	Datasheet	10,616In Stock	Cut Tape $2.52 $1.32 $1.15 $1.01 Reel $0.829 View $0.909 $0.861 $0.829 $0.71 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 2watts .033ohm 1% WSL2512R0330FEA18 Vishay / Dale 1: $1.93 13,586In Stock	Mfr. Part # WSL2512R0330FEA18 Mouser Part # 71-WSL2512R0330FEA18	Vishay / Dale	Current Sense Resistors - SMD 2watts .033ohm 1% Learn More about Vishay / Dale vishaycurrentsense	Datasheet	13,586In Stock	Cut Tape $1.93 $1.47 $1.10 $0.972 Reel $0.778 View $0.868 $0.795 $0.778 $0.77 $0.683 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD .2ohms 3watts 1% WSR3R2000FEK Vishay / Dale 1: $2.40 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	$2.40 $1.41 $1.27 $0.929 View $0.855 $0.783 $0.755	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 1watt .004ohms 1% WSL25124L000FEB Vishay / Dale 1: $2.33 8,125In Stock 3,000Expected 2026-11-17	Mfr. Part # WSL25124L000FEB Mouser Part # 71-WSL2512-0.004-E3	Vishay / Dale	Current Sense Resistors - SMD 1watt .004ohms 1% Learn More about Vishay / Dale vishay dale wsl resistors	Datasheet	8,125In Stock 3,000Expected 2026-11-17	Cut Tape $2.33 $1.66 $1.37 $1.24 Reel $0.89 View $1.11 $1.01 $0.788 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 3watts 0.2ohms 1% WSR3R2000FEB Vishay / Dale 1: $2.30 7,576In Stock	Mfr. Part # WSR3R2000FEB Mouser Part # 71-WSR3R2000FEB	Vishay / Dale	Current Sense Resistors - SMD 3watts 0.2ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	7,576In Stock	Cut Tape $2.30 $1.41 $1.17 $1.00 View Reel $0.678 $0.857 $0.785 $0.678 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single TSC1031IDT STMicroelectronics 1: $3.24 2,239In Stock	Mfr. Part # TSC1031IDT Mouser Part # 511-TSC1031IDT	STMicroelectronics	Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single	Datasheet	2,239In Stock	Cut Tape $3.24 $2.39 $2.19 $1.96 Reel $1.63 View $1.84 $1.79 $1.73 $1.60 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Current Sense Resistors - SMD 1watt .01ohms 1% WSL2512R0100FEB Vishay / Dale 1: $0.95 9,725In Stock	Mfr. Part # WSL2512R0100FEB Mouser Part # 71-WSL2512-0.01-E3	Vishay / Dale	Current Sense Resistors - SMD 1watt .01ohms 1% Learn More about Vishay / Dale vishay dale wsl resistors	Datasheet	9,725In Stock	Cut Tape $0.95 $0.615 $0.467 $0.442 $0.432 Reel $0.432 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 1watt .27ohms 1% WSL2512R2700FEB Vishay / Dale 1: $2.22 4,976In Stock	Mfr. Part # WSL2512R2700FEB Mouser Part # 71-WSL2512R2700FEB	Vishay / Dale	Current Sense Resistors - SMD 1watt .27ohms 1% Learn More about Vishay / Dale vishay dale wsl resistors	Datasheet	4,976In Stock	Cut Tape $2.22 $1.27 $1.04 $0.775 View Reel $0.559 $0.693 $0.608 $0.559 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 5watts .008ohms 1% WSR58L000FEA Vishay / Dale 1: $3.77 1,549In Stock	Mfr. Part # WSR58L000FEA Mouser Part # 71-WSR58L000FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .008ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	1,549In Stock	Cut Tape $3.77 $2.66 $2.28 $2.16 Reel $1.80 View $2.03 $1.97 $1.81 $1.74 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 5watts .004ohms 1% WSR54L000FEA Vishay / Dale 1: $5.04 885In Stock	Mfr. Part # WSR54L000FEA Mouser Part # 71-WSR54L000FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .004ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	885In Stock	Cut Tape $5.04 $3.40 $2.66 $2.43 Reel $1.70 View $2.16 $2.00 $1.83 $1.66 MouseReel Available	Min.: 1 Mult.: 1 : 1,500

Current Monitoring for Electric Power Steering

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Current Monitoring for Electric Power Steering

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