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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 (PEN) 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: S/6.03 55,130In 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	55,130In Stock	S/6.03 S/3.75 S/3.08 S/2.66 View S/2.31 S/2.12 S/1.76 S/1.75	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 1watt .015ohms 1% WSL2512R0150FEA Vishay / Dale 1: S/3.85 77,698In 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	77,698In Stock	Cut Tape S/3.85 S/2.78 S/2.27 S/2.16 Reel S/1.57 View S/2.02 S/1.93 S/1.57 S/1.54 S/1.53 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 5watts .05ohms 1% WSR5R0500FEA Vishay / Dale 1: S/12.34 19,441In 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	19,441In Stock	Cut Tape S/12.34 S/8.91 S/7.71 S/7.32 Reel S/5.92 View S/6.97 S/6.19 S/5.57 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 5watts .005ohms 1% WSR55L000FEA Vishay / Dale 1: S/12.22 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 S/12.22 S/8.68 S/6.58 S/6.07 Reel S/4.59 View S/5.49 S/5.10 S/4.63 S/4.32 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: S/18.41 751In Stock	Mfr. Part # INA271AID Mouser Part # 595-INA271AID	Texas Instruments	Current & Power Monitors & Regulators Vltg Output H-Side M easurement A 595-IN A 595-INA271AIDR	Datasheet	751In Stock	S/18.41 S/14.01 S/11.91 S/11.37 View S/10.98 S/10.39 S/10.12	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 2watts 1ohms 1% WSR21R000FEB Vishay / Dale 1: S/6.89 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 S/6.89 S/3.97 S/3.22 S/2.41 View Reel S/1.69 S/2.15 S/1.86 S/1.69 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single TSC1031IPT STMicroelectronics 1: S/8.76 6,488In Stock	Mfr. Part # TSC1031IPT Mouser Part # 511-TSC1031IPT	STMicroelectronics	Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single	Datasheet	6,488In Stock	Cut Tape S/8.76 S/6.46 S/5.92 S/5.29 View Reel S/4.52 S/4.98 S/4.83 S/4.67 S/4.55 S/4.52 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Amplifiers High-Voltage Amp 2.9 to 70 V TSC103IDT STMicroelectronics 1: S/8.72 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 S/8.72 S/6.46 S/5.92 S/5.29 Reel S/4.59 View S/4.98 S/4.83 S/4.67 S/4.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Current Sense Resistors - SMD 1watt .004ohms 1% WSL25124L000FEB Vishay / Dale 1: S/6.89 8,125In Stock 3,000Expected 11/2/2026	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 11/2/2026	Cut Tape S/6.89 S/4.67 S/4.01 S/3.46 Reel S/2.47 View S/3.05 S/2.79 S/2.29 S/2.23 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 3watts .04ohms 1% WSR3R0400FEA Vishay / Dale 1: S/6.73 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 S/6.73 S/4.55 S/3.69 S/3.19 Reel S/2.31 View S/2.65 S/2.43 S/2.31 S/2.23 S/1.95 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 3watts 0.2ohms 1% WSR3R2000FEB Vishay / Dale 1: S/6.23 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 S/6.23 S/3.82 S/3.16 S/2.71 View Reel S/1.80 S/2.32 S/2.12 S/1.80 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Amplifiers High-side current sense amplifier TSC1021AIPT STMicroelectronics 1: S/6.54 3,767In Stock	Mfr. Part # TSC1021AIPT Mouser Part # 511-TSC1021AIPT	STMicroelectronics	Current Sense Amplifiers High-side current sense amplifier	Datasheet	3,767In Stock	Cut Tape S/6.54 S/4.79 S/4.32 S/3.83 View Reel S/3.19 S/3.60 S/3.46 S/3.41 S/3.20 S/3.19 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD 2watts .028ohm 1% WSL2512R0280FEA18 Vishay / Dale 1: S/6.81 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 S/6.81 S/3.57 S/3.11 S/2.72 Reel S/2.24 View S/2.46 S/2.33 S/2.24 S/1.92 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 2watts .033ohm 1% WSL2512R0330FEA18 Vishay / Dale 1: S/5.14 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 S/5.14 S/3.93 S/2.94 S/2.61 Reel S/2.03 View S/2.32 S/2.21 S/2.03 S/1.95 S/1.75 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD .2ohms 3watts 1% WSR3R2000FEK Vishay / Dale 1: S/6.50 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	S/6.50 S/3.82 S/3.43 S/2.37 View S/2.28 S/2.12 S/2.04	Min.: 1 Mult.: 1
Current Sense Amplifiers High-side current sense amplifier TSC1021BIPT STMicroelectronics 1: S/6.42 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 S/6.42 S/4.71 S/4.28 S/3.83 View Reel S/3.04 S/3.60 S/3.46 S/3.41 S/3.20 S/3.04 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD 2watts .013ohm 1% WSL2512R0130FEA18 Vishay / Dale 1: S/7.32 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 S/7.32 S/4.28 S/3.16 S/2.68 Reel S/1.92 View S/2.37 S/2.18 S/1.92 S/1.72 S/1.68 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 1watt .09ohms 1% WSL2512R0900FEA Vishay / Dale 1: S/3.70 14,754In 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	14,754In Stock	Cut Tape S/3.70 S/2.09 S/1.69 S/1.27 Reel S/0.996 View S/1.10 S/1.01 S/0.996 S/0.993 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 2watts .02ohms 1% WSR2R0200FEA Vishay / Dale 1: S/4.55 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 S/4.55 S/2.85 S/2.34 S/2.16 Reel S/1.65 View S/1.99 S/1.89 S/1.65 S/1.59 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 3watts 0.05ohms 1% WSR3R0500FEB Vishay / Dale 1: S/7.24 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 S/7.24 S/4.28 S/3.81 S/3.01 View Reel S/2.20 S/2.58 S/2.36 S/2.20 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 3watts .07ohms 1% WSR3R0700FEA Vishay / Dale 1: S/4.90 4,704In 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	4,704In Stock	Cut Tape S/4.90 S/3.18 S/2.55 S/2.37 Reel S/1.88 View S/2.19 S/2.08 S/1.88 S/1.79 S/1.76 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single TSC1031IDT STMicroelectronics 1: S/8.76 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 S/8.76 S/6.46 S/5.92 S/5.29 Reel S/4.40 View S/4.98 S/4.83 S/4.67 S/4.32 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Current Sense Resistors - SMD 1watt .01ohms 1% WSL2512R0100FEB Vishay / Dale 1: S/2.57 9,805In 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	9,805In Stock	Cut Tape S/2.57 S/1.66 S/1.26 Reel S/1.23 S/1.17 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 1watt .27ohms 1% WSL2512R2700FEB Vishay / Dale 1: S/5.99 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 S/5.99 S/3.43 S/2.80 S/2.09 View Reel S/1.51 S/1.87 S/1.64 S/1.51 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 3watts .001ohms 1% WSL39211L000FEA Vishay / Dale 1: S/5.84 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 S/5.84 S/4.05 S/3.06 S/2.66 Reel S/2.01 View S/2.34 S/2.15 S/2.01 S/1.96 MouseReel Available	Min.: 1 Mult.: 1 : 3,000