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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 (JPY) 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: ¥257.5 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	¥257.5 ¥160.1 ¥131.2 ¥113.4 View ¥98.7 ¥90.4 ¥74.9 ¥74.7 ¥74.6	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 1watt .015ohms 1% WSL2512R0150FEA Vishay / Dale 1: ¥164.4 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 ¥164.4 ¥118.8 ¥96.8 ¥92 Reel ¥67.1 View ¥86.4 ¥82.2 ¥67.1 ¥65.8 ¥65.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 5watts .05ohms 1% WSR5R0500FEA Vishay / Dale 1: ¥526.5 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 ¥526.5 ¥380.4 ¥328.9 ¥312.3 Reel ¥252.5 View ¥297.3 ¥264.1 ¥237.5 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 5watts .005ohms 1% WSR55L000FEA Vishay / Dale 1: ¥521.6 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 ¥521.6 ¥370.4 ¥280.7 ¥259.1 Reel ¥196 View ¥234.2 ¥217.6 ¥197.7 ¥184.4 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: ¥785.7 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	¥785.7 ¥598 ¥508.3 ¥485 View ¥468.4 ¥443.5 ¥431.9	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 2watts 1ohms 1% WSR21R000FEB Vishay / Dale 1: ¥294 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 ¥294 ¥169.4 ¥137.4 ¥102.8 View Reel ¥72.1 ¥91.9 ¥79.4 ¥72.1 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single TSC1031IPT STMicroelectronics 1: ¥373.7 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 ¥373.7 ¥275.7 ¥252.5 ¥225.9 View Reel ¥192.7 ¥212.6 ¥206 ¥199.3 ¥194.3 ¥192.7 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Amplifiers High-Voltage Amp 2.9 to 70 V TSC103IDT STMicroelectronics 1: ¥372.1 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 ¥372.1 ¥275.7 ¥252.5 ¥225.9 Reel ¥196 View ¥212.6 ¥206 ¥199.3 ¥182.7 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Current Sense Resistors - SMD 1watt .004ohms 1% WSL25124L000FEB Vishay / Dale 1: ¥294 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 ¥294 ¥199.3 ¥171.1 ¥147.8 Reel ¥105.5 View ¥130.2 ¥119.3 ¥97.8 ¥95 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 3watts .04ohms 1% WSR3R0400FEA Vishay / Dale 1: ¥287.4 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 ¥287.4 ¥194.3 ¥157.6 ¥136.2 Reel ¥98.5 View ¥113.1 ¥103.6 ¥98.5 ¥95.3 ¥83.1 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 3watts 0.2ohms 1% WSR3R2000FEB Vishay / Dale 1: ¥265.8 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 ¥265.8 ¥163.1 ¥134.7 ¥115.6 View Reel ¥76.7 ¥98.8 ¥90.5 ¥76.7 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Amplifiers High-side current sense amplifier TSC1021AIPT STMicroelectronics 1: ¥279 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 ¥279 ¥204.3 ¥184.4 ¥163.3 View Reel ¥136.2 ¥153.5 ¥147.5 ¥145.7 ¥136.4 ¥136.2 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD 2watts .028ohm 1% WSL2512R0280FEA18 Vishay / Dale 1: ¥290.7 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 ¥290.7 ¥152.3 ¥132.9 ¥116.1 Reel ¥95.7 View ¥104.8 ¥99.3 ¥95.7 ¥81.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 2watts .033ohm 1% WSL2512R0330FEA18 Vishay / Dale 1: ¥219.3 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 ¥219.3 ¥167.8 ¥125.6 ¥111.3 Reel ¥86.5 View ¥99.2 ¥94.3 ¥86.5 ¥83.4 ¥74.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD .2ohms 3watts 1% WSR3R2000FEK Vishay / Dale 1: ¥277.4 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	¥277.4 ¥163.1 ¥146.3 ¥101 View ¥97.5 ¥90.4 ¥87	Min.: 1 Mult.: 1
Current Sense Amplifiers High-side current sense amplifier TSC1021BIPT STMicroelectronics 1: ¥274.1 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 ¥274.1 ¥201 ¥182.7 ¥163.3 View Reel ¥129.9 ¥153.5 ¥147.5 ¥145.7 ¥136.4 ¥129.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD 2watts .013ohm 1% WSL2512R0130FEA18 Vishay / Dale 1: ¥312.3 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 ¥312.3 ¥182.7 ¥135 ¥114.3 Reel ¥81.9 View ¥101 ¥93.2 ¥81.9 ¥73.6 ¥71.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 1watt .09ohms 1% WSL2512R0900FEA Vishay / Dale 1: ¥157.8 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 ¥157.8 ¥89 ¥72.3 ¥54 Reel ¥42.5 View ¥47 ¥43 ¥42.5 ¥42.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 2watts .02ohms 1% WSR2R0200FEA Vishay / Dale 1: ¥194.3 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 ¥194.3 ¥121.6 ¥99.7 ¥92.4 Reel ¥70.4 View ¥84.9 ¥80.6 ¥70.4 ¥67.9 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Resistors - SMD 3watts 0.05ohms 1% WSR3R0500FEB Vishay / Dale 1: ¥308.9 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 ¥308.9 ¥182.7 ¥162.6 ¥128.4 View Reel ¥94 ¥110 ¥100.7 ¥94 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 3watts .07ohms 1% WSR3R0700FEA Vishay / Dale 1: ¥209.3 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 ¥209.3 ¥135.5 ¥109 ¥101.2 Reel ¥80.2 View ¥93.3 ¥88.9 ¥80.2 ¥76.6 ¥75.2 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single TSC1031IDT STMicroelectronics 1: ¥373.7 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 ¥373.7 ¥275.7 ¥252.5 ¥225.9 Reel ¥187.7 View ¥212.6 ¥206 ¥199.3 ¥184.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Current Sense Resistors - SMD 1watt .01ohms 1% WSL2512R0100FEB Vishay / Dale 1: ¥109.6 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 ¥109.6 ¥70.9 ¥53.8 Reel ¥52.5 ¥49.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 1watt .27ohms 1% WSL2512R2700FEB Vishay / Dale 1: ¥255.8 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 ¥255.8 ¥146.5 ¥119.4 ¥89.4 View Reel ¥64.4 ¥79.9 ¥70.1 ¥64.4 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Current Sense Resistors - SMD 3watts .001ohms 1% WSL39211L000FEA Vishay / Dale 1: ¥249.2 8,208In 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	8,208In Stock	Cut Tape ¥249.2 ¥172.7 ¥130.4 ¥113.6 Reel ¥85.7 View ¥99.8 ¥91.7 ¥85.9 ¥83.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000