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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 (CHF) 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: CHF 1.27 55’115In 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	55’115In Stock	CHF 1.27 CHF 0.776 CHF 0.665 CHF 0.552 View CHF 0.478 CHF 0.438 CHF 0.41	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 1watt .015ohms 1% WSL2512R0150FEA Vishay / Dale 1: CHF 1.01 77’678In 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	77’678In Stock	Cut Tape CHF 1.01 CHF 0.591 CHF 0.506 CHF 0.438 Reel CHF 0.335 View CHF 0.408 CHF 0.383 CHF 0.335 CHF 0.334 MouseReel Available	Min.: 1 Mult.: 1 : 2’000
Current Sense Resistors - SMD 5watts .05ohms 1% WSR5R0500FEA Vishay / Dale 1: CHF 2.56 19’441In 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	19’441In Stock	Cut Tape CHF 2.56 CHF 1.84 CHF 1.59 CHF 1.52 View Reel CHF 1.31 CHF 1.44 CHF 1.31 CHF 1.31 MouseReel Available	Min.: 1 Mult.: 1 : 1’500
Current & Power Monitors & Regulators Vltg Output H-Side M easurement A 595-IN A 595-INA271AIDR INA271AID Texas Instruments 1: CHF 3.81 751In Stock	Mfr. Part No. INA271AID Mouser Part No 595-INA271AID	Texas Instruments	Current & Power Monitors & Regulators Vltg Output H-Side M easurement A 595-IN A 595-INA271AIDR	Datasheet	751In Stock	CHF 3.81 CHF 2.90 CHF 2.46 CHF 2.35 View CHF 2.27 CHF 2.24 CHF 2.15 CHF 2.10	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 5watts .005ohms 1% WSR55L000FEA Vishay / Dale 1: CHF 2.67 8’082In 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	8’082In Stock	Cut Tape CHF 2.67 CHF 1.80 CHF 1.64 Reel CHF 1.64 CHF 1.63 MouseReel Available	Min.: 1 Mult.: 1 : 1’500
Current Sense Resistors - SMD 1watt .004ohms 1% WSL25124L000FEB Vishay / Dale 1: CHF 1.42 8’125In Stock 3’000Expected 11/9/2026	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 11/9/2026	Cut Tape CHF 1.42 CHF 0.964 CHF 0.829 CHF 0.716 Reel CHF 0.511 View CHF 0.631 CHF 0.578 CHF 0.475 CHF 0.461 MouseReel Available	Min.: 1 Mult.: 1 : 1’000
Current Sense Resistors - SMD 3watts .04ohms 1% WSR3R0400FEA Vishay / Dale 1: CHF 1.39 9’653In Stock	Mfr. Part No. WSR3R0400FEA Mouser Part No 71-WSR3R0400FEA	Vishay / Dale	Current Sense Resistors - SMD 3watts .04ohms 1% Learn More about Vishay / Dale vishay dale wsr smd resistors	Datasheet	9’653In Stock	Cut Tape CHF 1.39 CHF 0.91 CHF 0.761 CHF 0.641 Reel CHF 0.463 View CHF 0.533 CHF 0.488 CHF 0.463 CHF 0.409 CHF 0.39 MouseReel Available	Min.: 1 Mult.: 1 : 1’500
Current Sense Resistors - SMD 3watts 0.2ohms 1% WSR3R2000FEB Vishay / Dale 1: CHF 1.29 7’576In 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	7’576In Stock	Cut Tape CHF 1.29 CHF 0.791 CHF 0.653 CHF 0.561 Reel CHF 0.398 View CHF 0.479 CHF 0.439 CHF 0.383 MouseReel Available	Min.: 1 Mult.: 1 : 1’000
Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single TSC1031IPT STMicroelectronics 1: CHF 1.82 6’463In 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	6’463In Stock	Cut Tape CHF 1.82 CHF 1.34 CHF 1.23 CHF 1.10 View Reel CHF 0.934 CHF 1.03 CHF 1.00 CHF 0.964 CHF 0.945 CHF 0.934 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
Current Sense Amplifiers High-Voltage Amp 2.9 to 70 V TSC103IDT STMicroelectronics 1: CHF 1.81 3’893In Stock	Mfr. Part No. TSC103IDT Mouser Part No 511-TSC103IDT	STMicroelectronics	Current Sense Amplifiers High-Voltage Amp 2.9 to 70 V	Datasheet	3’893In Stock	Cut Tape CHF 1.81 CHF 1.34 CHF 1.23 CHF 1.10 View Reel CHF 0.877 CHF 1.03 CHF 1.00 CHF 0.964 CHF 0.877 MouseReel Available	Min.: 1 Mult.: 1 : 2’500
Current Sense Resistors - SMD 2watts .028ohm 1% WSL2512R0280FEA18 Vishay / Dale 1: CHF 1.41 10’616In Stock	Mfr. Part No. WSL2512R0280FEA18 Mouser Part No 71-WSL2512R0280FEA18	Vishay / Dale	Current Sense Resistors - SMD 2watts .028ohm 1% Learn More about Vishay / Dale vishaycurrentsense	Datasheet	10’616In Stock	Cut Tape CHF 1.41 CHF 0.739 CHF 0.644 CHF 0.563 Reel CHF 0.471 View CHF 0.508 CHF 0.481 CHF 0.471 CHF 0.463 CHF 0.397 MouseReel Available	Min.: 1 Mult.: 1 : 2’000
Current Sense Resistors - SMD 2watts .033ohm 1% WSL2512R0330FEA18 Vishay / Dale 1: CHF 1.34 13’586In 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	13’586In Stock	Cut Tape CHF 1.34 CHF 0.837 CHF 0.655 CHF 0.563 View Reel CHF 0.463 CHF 0.50 CHF 0.464 CHF 0.463 CHF 0.463 MouseReel Available	Min.: 1 Mult.: 1 : 2’000
Current Sense Resistors - SMD .2ohms 3watts 1% WSR3R2000FEK Vishay / Dale 1: CHF 1.35 5’128In 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	5’128In Stock	CHF 1.35 CHF 0.791 CHF 0.709 CHF 0.533 View CHF 0.478 CHF 0.438 CHF 0.41	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 2watts .014ohm 1% WSL2512R0140FEA18 Vishay / Dale 1: CHF 1.28 11’152In 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	11’152In Stock	Cut Tape CHF 1.28 CHF 0.854 CHF 0.68 CHF 0.596 View Reel CHF 0.463 CHF 0.542 CHF 0.496 CHF 0.463 CHF 0.463 MouseReel Available	Min.: 1 Mult.: 1 : 2’000
Current Sense Resistors - SMD 2watts .005ohms 1% WSR25L000FEA Vishay / Dale 1: CHF 1.30 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 CHF 1.30 CHF 0.778 CHF 0.688 CHF 0.602 Reel CHF 0.517 View CHF 0.552 CHF 0.526 CHF 0.517 CHF 0.511 CHF 0.506 MouseReel Available	Min.: 1 Mult.: 1 : 1’500
Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single TSC1031IDT STMicroelectronics 1: CHF 1.82 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 CHF 1.82 CHF 1.34 CHF 1.23 CHF 1.10 Reel CHF 0.91 View CHF 1.03 CHF 1.00 CHF 0.964 CHF 0.894 MouseReel Available	Min.: 1 Mult.: 1 : 2’500
Current Sense Resistors - SMD 1watt .01ohms 1% WSL2512R0100FEB Vishay / Dale 1: CHF 0.532 9’805In 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	9’805In Stock	Cut Tape CHF 0.532 CHF 0.344 CHF 0.261 Reel CHF 0.26 MouseReel Available	Min.: 1 Mult.: 1 : 1’000
Current Sense Resistors - SMD 1watt .27ohms 1% WSL2512R2700FEB Vishay / Dale 1: CHF 1.24 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 CHF 1.24 CHF 0.71 CHF 0.578 CHF 0.433 View Reel CHF 0.303 CHF 0.388 CHF 0.34 CHF 0.303 MouseReel Available	Min.: 1 Mult.: 1 : 1’000
Current Sense Resistors - SMD 3watts .001ohms 1% WSL39211L000FEA Vishay / Dale 1: CHF 1.27 7’083In 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	7’083In Stock	Cut Tape CHF 1.27 CHF 0.837 CHF 0.786 Reel CHF 0.786 CHF 0.768 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
Current Sense Resistors - SMD 5watts .008ohms 1% WSR58L000FEA Vishay / Dale 1: CHF 2.11 1’599In Stock	Mfr. Part No. WSR58L000FEA Mouser Part No 71-WSR58L000FEA	Vishay / Dale	Current Sense Resistors - SMD 5watts .008ohms 1% Learn More about Vishay / Dale vishay dale wsr resistors	Datasheet	1’599In Stock	Cut Tape CHF 2.11 CHF 1.63 Reel CHF 1.63 MouseReel Available	Min.: 1 Mult.: 1 : 1’500
Current Sense Resistors - SMD 2watts 1ohms 1% WSR21R000FEB Vishay / Dale 1: CHF 1.42 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 CHF 1.42 CHF 0.821 CHF 0.665 CHF 0.498 View Reel CHF 0.349 CHF 0.446 CHF 0.385 CHF 0.349 MouseReel Available	Min.: 1 Mult.: 1 : 1’000
Current Sense Amplifiers High-side current sense amplifier TSC1021BIPT STMicroelectronics 1: CHF 1.33 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 CHF 1.33 CHF 0.973 CHF 0.885 CHF 0.791 View Reel CHF 0.622 CHF 0.744 CHF 0.715 CHF 0.706 CHF 0.661 CHF 0.622 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
Current Sense Resistors - SMD 1watt .0125ohms 1% WSL2512R0125FEB Vishay / Dale 1: CHF 1.16 7’368In Stock	Mfr. Part No. WSL2512R0125FEB Mouser Part No 71-WSL2512R0125FEB	Vishay / Dale	Current Sense Resistors - SMD 1watt .0125ohms 1% Learn More about Vishay / Dale vishay dale wsl resistors	Datasheet	7’368In Stock	Cut Tape CHF 1.16 CHF 0.757 CHF 0.616 CHF 0.476 Reel CHF 0.334 View CHF 0.426 CHF 0.374 CHF 0.302 CHF 0.286 MouseReel Available	Min.: 1 Mult.: 1 : 1’000
Current Sense Resistors - SMD 2watts .013ohm 1% WSL2512R0130FEA18 Vishay / Dale 1: CHF 1.53 19’308In Stock	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	19’308In Stock	Cut Tape CHF 1.53 CHF 0.894 CHF 0.658 CHF 0.556 View Reel CHF 0.463 CHF 0.491 CHF 0.463 CHF 0.463 MouseReel Available	Min.: 1 Mult.: 1 : 2’000
Current Sense Resistors - SMD 1watt .09ohms 1% WSL2512R0900FEA Vishay / Dale 1: CHF 0.765 14’754In 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	14’754In Stock	Cut Tape CHF 0.765 CHF 0.431 CHF 0.35 CHF 0.262 View Reel CHF 0.199 CHF 0.227 CHF 0.209 CHF 0.199 CHF 0.199 MouseReel Available	Min.: 1 Mult.: 1 : 2’000