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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Current Sense Resistors - SMD 5watts .05ohms 1% WSR5R0500FEA Vishay / Dale 1: $3.17 19,527In 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	19,527In Stock	Cut Tape $3.17 $2.29 $1.98 $1.88 Reel $1.52 View $1.79 $1.59 $1.43 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 1watt .015ohms 1% WSL2512R0150FEA Vishay / Dale 1: $0.99 77,850In 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	77,850In Stock	Cut Tape $0.99 $0.715 $0.583 $0.554 Reel $0.404 View $0.52 $0.495 $0.404 $0.396 $0.394 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD .1ohms 3watts 1% WSR3R1000FEK Vishay / Dale 1: $1.55 55,290In 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	55,290In Stock	$1.55 $0.964 $0.79 $0.683 View $0.594 $0.544 $0.451 $0.45 $0.449	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 3watts .002ohms 1% WSL39212L000FEA Vishay / Dale 1: $1.38 32,923In Stock	Mfr. Part # WSL39212L000FEA Mouser Part # 71-WSL39212L000FEA	Vishay / Dale	Current Sense Resistors - SMD 3watts .002ohms 1% Learn More about Vishay / Dale vishay dale wsl resistors	Datasheet	32,923In Stock	Cut Tape $1.38 $0.922 $0.651 $0.579 View Reel $0.528 $0.535 $0.528 $0.528 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Current Sense Resistors - SMD 5watts .005ohms 1% WSR55L000FEA Vishay / Dale 1: $3.14 8,104In 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	8,104In Stock	Cut Tape $3.14 $2.23 $1.69 $1.56 Reel $1.18 View $1.41 $1.31 $1.19 $1.11 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single TSC1031IDT STMicroelectronics 1: $2.25 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 $2.25 $1.66 $1.52 $1.36 Reel $1.13 View $1.28 $1.24 $1.20 $1.11 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Current Sense Resistors - SMD 1watt .01ohms 1% WSL2512R0100FEB Vishay / Dale 1: $0.66 9,865In 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	9,865In Stock	Cut Tape $0.66 $0.427 $0.324 $0.307 $0.30 Reel $0.30 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 3watts .001ohms 1% WSL39211L000FEA Vishay / Dale 1: $1.50 8,308In Stock	Mfr. Part # WSL39211L000FEA Mouser Part # 71-WSL39211L000FEA	Vishay / Dale	Current Sense Resistors - SMD 3watts .001ohms 1% Learn More about Vishay / Dale vishay dale wsl resistors	Datasheet	8,308In Stock	Cut Tape $1.50 $1.04 $0.785 $0.684 Reel $0.516 View $0.601 $0.552 $0.517 $0.503 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Current Sense Resistors - SMD 2watts 1ohms 1% WSR21R000FEB Vishay / Dale 1: $1.77 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 $1.77 $1.02 $0.827 $0.619 View Reel $0.427 $0.553 $0.478 $0.427 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 2watts .028ohm 1% WSL2512R0280FEA18 Vishay / Dale 1: $1.83 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 $1.83 $1.16 $0.895 $0.809 View Reel $0.605 $0.714 $0.626 $0.605 $0.605 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 2watts .033ohm 1% WSL2512R0330FEA18 Vishay / Dale 1: $1.32 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 $1.32 $1.01 $0.756 $0.67 Reel $0.521 View $0.597 $0.568 $0.521 $0.502 $0.449 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD .2ohms 3watts 1% WSR3R2000FEK Vishay / Dale 1: $1.67 5,132In 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	5,132In Stock	$1.67 $0.982 $0.881 $0.608 View $0.587 $0.544 $0.524	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 2watts .014ohm 1% WSL2512R0140FEA18 Vishay / Dale 1: $1.64 11,472In Stock	Mfr. Part # WSL2512R0140FEA18 Mouser Part # 71-WSL2512R0140FEA18	Vishay / Dale	Current Sense Resistors - SMD 2watts .014ohm 1% Learn More about Vishay / Dale vishaycurrentsense	Datasheet	11,472In Stock	Cut Tape $1.64 $1.10 $0.868 $0.762 Reel $0.576 View $0.694 $0.646 $0.576 $0.552 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 2watts .005ohms 1% WSR25L000FEA Vishay / Dale 1: $1.29 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 $1.29 $0.87 $0.764 $0.704 Reel $0.577 View $0.664 $0.642 $0.577 $0.565 $0.56 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 2watts .013ohm 1% WSL2512R0130FEA18 Vishay / Dale 1: $1.88 19,308In Stock	Mfr. Part # WSL2512R0130FEA18 Mouser Part # 71-WSL2512R0130FEA18	Vishay / Dale	Current Sense Resistors - SMD 2watts .013ohm 1% Learn More about Vishay / Dale vishaycurrentsense	Datasheet	19,308In Stock	Cut Tape $1.88 $1.10 $0.813 $0.688 Reel $0.493 View $0.608 $0.561 $0.493 $0.443 $0.432 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 1watt .09ohms 1% WSL2512R0900FEA Vishay / Dale 1: $0.95 15,054In 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	15,054In Stock	Cut Tape $0.95 $0.536 $0.435 $0.325 Reel $0.256 View $0.283 $0.259 $0.256 $0.255 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 2watts .02ohms 1% WSR2R0200FEA Vishay / Dale 1: $0.93 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 $0.93 $0.65 $0.556 $0.525 Reel $0.424 View $0.494 $0.474 $0.424 $0.409 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 3watts 0.05ohms 1% WSR3R0500FEB Vishay / Dale 1: $1.86 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 $1.86 $1.10 $0.979 $0.773 View Reel $0.574 $0.662 $0.606 $0.574 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 3watts .07ohms 1% WSR3R0700FEA Vishay / Dale 1: $1.86 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 $1.86 $1.10 $0.979 $0.773 Reel $0.559 View $0.662 $0.606 $0.559 $0.508 $0.486 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 1watt .004ohms 1% WSL25124L000FEB Vishay / Dale 1: $1.62 8,125In Stock 3,000Expected 10/26/2026	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 10/26/2026	Cut Tape $1.62 $1.15 $0.954 $0.859 Reel $0.599 View $0.769 $0.702 $0.539 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 3watts .04ohms 1% WSR3R0400FEA Vishay / Dale 1: $1.82 9,753In Stock	Mfr. Part # WSR3R0400FEA Mouser Part # 71-WSR3R0400FEA	Vishay / Dale	Current Sense Resistors - SMD 3watts .04ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	9,753In Stock	Cut Tape $1.82 $1.13 $0.979 $0.796 Reel $0.575 View $0.681 $0.624 $0.575 $0.566 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 3watts 0.2ohms 1% WSR3R2000FEB Vishay / Dale 1: $1.60 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 $1.60 $0.982 $0.811 $0.696 View Reel $0.462 $0.595 $0.545 $0.462 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single TSC1031IPT STMicroelectronics 1: $2.25 6,491In Stock	Mfr. Part # TSC1031IPT Mouser Part # 511-TSC1031IPT	STMicroelectronics	Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single	Datasheet	6,491In Stock	Cut Tape $2.25 $1.66 $1.52 $1.36 View Reel $1.16 $1.28 $1.24 $1.20 $1.17 $1.16 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Amplifiers High-Voltage Amp 2.9 to 70 V TSC103IDT STMicroelectronics 1: $2.24 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 $2.24 $1.66 $1.52 $1.36 Reel $1.18 View $1.28 $1.24 $1.20 $1.10 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Current Sense Resistors - SMD 5watts .004ohms 1% WSR54L000FEA Vishay / Dale 1: $3.50 891In 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	891In Stock	Cut Tape $3.50 $2.36 $1.85 $1.69 Reel $1.18 View $1.50 $1.39 $1.27 $1.15 MouseReel Available	Min.: 1 Mult.: 1 : 1,500