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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 .1ohms 3watts 1% WSR3R1000FEK Vishay / Dale 1: $1.58 55,290In Stock	Mfr. Part No. WSR3R1000FEK Mouser Part No 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	$1.58 $0.965 $0.814 $0.715 View $0.594 $0.544 $0.451 $0.45 $0.449	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 5watts .05ohms 1% WSR5R0500FEA Vishay / Dale 1: $3.17 19,573In Stock	Mfr. Part No. WSR5R0500FEA Mouser Part No 71-WSR5R0500FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .05ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	19,573In 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: $1.26 78,543In Stock	Mfr. Part No. WSL2512R0150FEA Mouser Part No 71-WSL2512R0150FEA	Vishay / Dale	Current Sense Resistors - SMD 1watt .015ohms 1% Learn More about Vishay / Dale vishay dale wsl resistors	Datasheet	78,543In Stock	Cut Tape $1.26 $0.834 $0.662 $0.621 Reel $0.439 View $0.564 $0.516 $0.439 $0.429 $0.427 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current & Power Monitors & Regulators Auto Cat Common- Mod e Range Mon INA193AQDBVRQ1 Texas Instruments 1: $5.25 12,350In Stock	Mfr. Part No. INA193AQDBVRQ1 Mouser Part No 595-INA193AQDBVRQ1	Texas Instruments	Current & Power Monitors & Regulators Auto Cat Common- Mod e Range Mon Learn More about Texas Instruments ti ina19x current shunt monitors	Datasheet	12,350In Stock	Cut Tape $5.25 $4.00 $3.69 $3.34 View Reel $2.88 $3.18 $3.08 $3.04 $2.88 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Current Sense Resistors - SMD 5watts .005ohms 1% WSR55L000FEA Vishay / Dale 1: $3.14 8,154In Stock	Mfr. Part No. WSR55L000FEA Mouser Part No 71-WSR55L000FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .005ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	8,154In 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 Resistors - SMD 1watt .004ohms 1% WSL25124L000FEB Vishay / Dale 1: $1.62 8,125In Stock 3,000Expected 12/10/2026	Mfr. Part No. WSL25124L000FEB Mouser Part No 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 12/10/2026	Cut Tape $1.62 $1.15 $0.954 $0.859 Reel $0.598 View $0.769 $0.702 $0.539 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 2watts 0.5ohms 1% WSR2R5000FEB Vishay / Dale 1: $1.79 5,183In Stock	Mfr. Part No. WSR2R5000FEB Mouser Part No 71-WSR2R5000FEB	Vishay / Dale	Current Sense Resistors - SMD 2watts 0.5ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	5,183In Stock	Cut Tape $1.79 $1.05 $0.852 $0.637 Reel $0.454 View $0.57 $0.52 $0.434 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 3watts 0.2ohms 1% WSR3R2000FEB Vishay / Dale 1: $1.60 7,636In Stock	Mfr. Part No. WSR3R2000FEB Mouser Part No 71-WSR3R2000FEB	Vishay / Dale	Current Sense Resistors - SMD 3watts 0.2ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	7,636In 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 Resistors - SMD 2watts 1ohms 1% WSR21R000FEB Vishay / Dale 1: $1.77 5,849In Stock	Mfr. Part No. WSR21R000FEB Mouser Part No 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 Reel $0.427 View $0.553 $0.478 $0.423 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 2watts .014ohm 1% WSL2512R0140FEA18 Vishay / Dale 1: $1.48 11,597In Stock	Mfr. Part No. WSL2512R0140FEA18 Mouser Part No 71-WSL2512R0140FEA18	Vishay / Dale	Current Sense Resistors - SMD 2watts .014ohm 1% Learn More about Vishay / Dale vishaycurrentsense	Datasheet	11,597In Stock	Cut Tape $1.48 $1.04 $0.787 $0.722 Reel $0.576 View $0.673 $0.627 $0.576 $0.557 $0.544 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 No. WSR25L000FEA Mouser Part No 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 $0.709 Reel $0.607 View $0.668 $0.644 $0.607 $0.594 $0.589 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single TSC1031IDT STMicroelectronics 1: $2.33 2,239In Stock	Mfr. Part No. TSC1031IDT Mouser Part No 511-TSC1031IDT	STMicroelectronics	Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single	Datasheet	2,239In Stock	Cut Tape $2.33 $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 9,893In Stock	Mfr. Part No. WSL2512R0100FEB Mouser Part No 71-WSL2512-0.01-E3	Vishay / Dale	Current Sense Resistors - SMD 1watt .01ohms 1% Learn More about Vishay / Dale vishay dale wsl resistors	Datasheet	9,893In Stock	Cut Tape $0.66 $0.427 $0.324 $0.30 Reel $0.30 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 1watt .27ohms 1% WSL2512R2700FEB Vishay / Dale 1: $1.54 4,976In Stock	Mfr. Part No. WSL2512R2700FEB Mouser Part No 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 $1.54 $0.882 $0.719 $0.538 View Reel $0.388 $0.481 $0.422 $0.388 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 3watts .001ohms 1% WSL39211L000FEA Vishay / Dale 1: $1.50 8,408In Stock	Mfr. Part No. WSL39211L000FEA Mouser Part No 71-WSL39211L000FEA	Vishay / Dale	Current Sense Resistors - SMD 3watts .001ohms 1% Learn More about Vishay / Dale vishay dale wsl resistors	Datasheet	8,408In Stock	Cut Tape $1.50 $1.04 $0.785 $0.684 Reel $0.503 View $0.603 $0.552 $0.517 $0.497 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Current Sense Resistors - SMD 5watts .03ohms 1% WSR5R0300FEA Vishay / Dale 1: $2.43 2,133In Stock	Mfr. Part No. WSR5R0300FEA Mouser Part No 71-WSR5R0300FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .03ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	2,133In Stock	Cut Tape $2.43 $1.99 $1.61 $1.51 View Reel $1.21 $1.40 $1.30 $1.25 $1.21 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Amplifiers High-side current sense amplifier TSC1021AIPT STMicroelectronics 1: $1.68 3,767In Stock	Mfr. Part No. TSC1021AIPT Mouser Part No 511-TSC1021AIPT	STMicroelectronics	Current Sense Amplifiers High-side current sense amplifier	Datasheet	3,767In Stock	Cut Tape $1.68 $1.23 $1.11 $0.983 View Reel $0.785 $0.924 $0.888 $0.877 $0.821 $0.785 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD 2watts .033ohm 1% WSL2512R0330FEA18 Vishay / Dale 1: $1.32 13,696In Stock	Mfr. Part No. WSL2512R0330FEA18 Mouser Part No 71-WSL2512R0330FEA18	Vishay / Dale	Current Sense Resistors - SMD 2watts .033ohm 1% Learn More about Vishay / Dale vishaycurrentsense	Datasheet	13,696In Stock	Cut Tape $1.32 $1.00 $0.748 $0.668 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 No. WSR3R2000FEK Mouser Part No 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 $0.591 View $0.582 $0.544 $0.543	Min.: 1 Mult.: 1
Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single TSC1031IPT STMicroelectronics 1: $2.25 6,491In Stock	Mfr. Part No. TSC1031IPT Mouser Part No 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-side current sense amplifier TSC1021BIPT STMicroelectronics 1: $1.65 2,049In Stock	Mfr. Part No. TSC1021BIPT Mouser Part No 511-TSC1021BIPT	STMicroelectronics	Current Sense Amplifiers High-side current sense amplifier	Datasheet	2,049In Stock	Cut Tape $1.65 $1.21 $1.10 $0.983 View Reel $0.782 $0.924 $0.888 $0.877 $0.821 $0.782 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD 2watts .013ohm 1% WSL2512R0130FEA18 Vishay / Dale 1: $1.88 18,889In Stock 1,460Expected 23/10/2026	Mfr. Part No. WSL2512R0130FEA18 Mouser Part No 71-WSL2512R0130FEA18	Vishay / Dale	Current Sense Resistors - SMD 2watts .013ohm 1% Learn More about Vishay / Dale vishaycurrentsense	Datasheet	18,889In Stock 1,460Expected 23/10/2026	Cut Tape $1.88 $1.10 $0.994 $0.785 Reel $0.567 View $0.672 $0.615 $0.567 $0.517 $0.493 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 1watt .09ohms 1% WSL2512R0900FEA Vishay / Dale 1: $0.95 15,064In Stock	Mfr. Part No. WSL2512R0900FEA Mouser Part No 71-WSL2512R0900FEA	Vishay / Dale	Current Sense Resistors - SMD 1watt .09ohms 1% Learn More about Vishay / Dale vishay dale wsl resistors	Datasheet	15,064In Stock	Cut Tape $0.95 $0.536 $0.435 $0.325 View Reel $0.259 $0.283 $0.259 $0.259 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 2watts .02ohms 1% WSR2R0200FEA Vishay / Dale 1: $0.94 9,816In Stock	Mfr. Part No. WSR2R0200FEA Mouser Part No 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 $0.94 $0.652 $0.558 $0.527 Reel $0.424 View $0.496 $0.476 $0.424 $0.409 $0.406 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 3watts 0.05ohms 1% WSR3R0500FEB Vishay / Dale 1: $1.86 3,000In Stock	Mfr. Part No. WSR3R0500FEB Mouser Part No 71-WSR3R0500FEB	Vishay / Dale	Current Sense Resistors - SMD 3watts 0.05ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	3,000In Stock	Cut Tape $1.86 $1.10 $0.979 $0.773 Reel $0.586 View $0.662 $0.606 $0.581 MouseReel Available	Min.: 1 Mult.: 1 : 1,000