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NCS21xR & NCV21xR Current Shunt Monitors

onsemi NCS21xR and NCV21xR Current Shunt Monitors are voltage output, current sense amplifiers that can measure voltage across shunts at common-mode voltages from -0.3V to +26V, independent of supply voltage. These devices feature a zero-drift architecture with a low offset, enabling current sensing across the shunt with a maximum voltage drop as low as 10mV full-scale. These devices can operate from a single +2.2V to +26V power supply, drawing a maximum of 150µA of supply current.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
Current Sense Amplifiers DOUBLE CURRENT SENSE AMPLIFIER G=200 NCS21674DMG200R2G onsemi 1: $1.25 3,743In Stock	Mfr. Part # NCS21674DMG200R2G Mouser Part # 863-CS21674DMG200R2G	onsemi	Current Sense Amplifiers DOUBLE CURRENT SENSE AMPLIFIER G=200 Learn More about onsemi ncs21xr current monitor	Datasheet	3,743In Stock	Cut Tape $1.25 $0.896 $0.806 $0.708 View Reel $0.575 $0.662 $0.634 $0.612 $0.575 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current & Power Monitors & Regulators CURRENT SHUNT MONITOR 26V NCS199A2RSQT2G onsemi 1: $0.806 37,182In Stock	Mfr. Part # NCS199A2RSQT2G Mouser Part # 863-NCS199A2RSQT2G	onsemi	Current & Power Monitors & Regulators CURRENT SHUNT MONITOR 26V Learn More about onsemi ncs21xr current monitor	Datasheet	37,182In Stock	Cut Tape $0.806 $0.559 $0.50 $0.435 View Reel $0.344 $0.403 $0.384 $0.369 $0.344 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Current Sense Amplifiers CURRENT SENSE AMPLIFIER 26V NCV213RSQT2G onsemi 1: $1.68 7,060In Stock	Mfr. Part # NCV213RSQT2G Mouser Part # 863-NCV213RSQT2G	onsemi	Current Sense Amplifiers CURRENT SENSE AMPLIFIER 26V Learn More about onsemi ncs21xr current monitor	Datasheet	7,060In Stock	Cut Tape $1.68 $1.20 $1.08 $0.953 View Reel $0.788 $0.89 $0.852 $0.825 $0.788 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Current Sense Amplifiers Currnet Sense Amp 26V G=200 NCS210RMUTAG onsemi 1: $1.38 45In Stock 3,000Expected 2026-12-15	Mfr. Part # NCS210RMUTAG Mouser Part # 863-NCS210RMUTAG	onsemi	Current Sense Amplifiers Currnet Sense Amp 26V G=200 Learn More about onsemi ncs21xr current monitor	Datasheet	45In Stock 3,000Expected 2026-12-15	Cut Tape $1.38 $0.981 $0.88 $0.769 View Reel $0.629 $0.716 $0.683 $0.657 $0.629 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Current Sense Amplifiers DOUBLE CURRENT SENSE AMPLIFIER G=100 NCS21674DMG100R2G onsemi 1: $1.25 2,934In Stock	Mfr. Part # NCS21674DMG100R2G Mouser Part # 863-CS21674DMG100R2G	onsemi	Current Sense Amplifiers DOUBLE CURRENT SENSE AMPLIFIER G=100 Learn More about onsemi ncs21xr current monitor	Datasheet	2,934In Stock	Cut Tape $1.25 $0.896 $0.806 $0.708 View Reel $0.575 $0.662 $0.634 $0.612 $0.575	Min.: 1 Mult.: 1 : 4,000
Current Sense Amplifiers CURRENT SENSE AMPLIFIER 26V NCS214RSQT2G onsemi 1: $1.15 57,385In Stock	Mfr. Part # NCS214RSQT2G Mouser Part # 863-NCS214RSQT2G	onsemi	Current Sense Amplifiers CURRENT SENSE AMPLIFIER 26V Learn More about onsemi ncs21xr current monitor	Datasheet	57,385In Stock	Cut Tape $1.15 $0.814 $0.73 $0.636 View Reel $0.521 $0.593 $0.566 $0.544 $0.521 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Current Sense Amplifiers CURRENT SENSE AMP G=50 NCS199A1RSQT2G onsemi 1: $0.792 18,824In Stock	Mfr. Part # NCS199A1RSQT2G Mouser Part # 863-NCS199A1RSQT2G	onsemi	Current Sense Amplifiers CURRENT SENSE AMP G=50 Learn More about onsemi ncs199a	Datasheet	18,824In Stock	Cut Tape $0.792 $0.557 $0.498 $0.433 View Reel $0.348 $0.402 $0.383 $0.367 $0.348 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Current Sense Amplifiers CURRENT SENSE AMPLIFIER 26V NCS210RSQT2G onsemi 1: $1.28 5,683In Stock	Mfr. Part # NCS210RSQT2G Mouser Part # 863-NCS210RSQT2G	onsemi	Current Sense Amplifiers CURRENT SENSE AMPLIFIER 26V Learn More about onsemi ncs21xr current monitor	Datasheet	5,683In Stock	Cut Tape $1.28 $0.904 $0.811 $0.708 View Reel $0.501 $0.66 $0.629 $0.605 $0.501 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Current Sense Amplifiers CURRENT SENSE AMP G=50 NCS213RSQT2G onsemi 1: $1.15 22,112In Stock	Mfr. Part # NCS213RSQT2G Mouser Part # 863-NCS213RSQT2G	onsemi	Current Sense Amplifiers CURRENT SENSE AMP G=50 Learn More about onsemi ncs21xr current monitor	Datasheet	22,112In Stock	Cut Tape $1.15 $0.814 $0.73 $0.636 Reel $0.521 View $0.593 $0.566 $0.544 $0.507 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Current Sense Amplifiers DOUBLE CURRENT SENSE AMPLIFIER G=50 NCS21674DMG050R2G onsemi 1: $1.37 222In Stock	Mfr. Part # NCS21674DMG050R2G Mouser Part # 863-CS21674DMG050R2G	onsemi	Current Sense Amplifiers DOUBLE CURRENT SENSE AMPLIFIER G=50 Learn More about onsemi ncs21xr current monitor	Datasheet	222In Stock	Cut Tape $1.37 $0.966 $0.867 $0.757 View Reel $0.603 $0.704 $0.674 $0.647 $0.619 $0.603	Min.: 1 Mult.: 1 : 4,000
Current & Power Monitors & Regulators CURRENT SHUNT MONITOR 26V NCS199A3RSQT2G onsemi 1: $0.792 538In Stock 9,000Expected 2026-11-02	Mfr. Part # NCS199A3RSQT2G Mouser Part # 863-NCS199A3RSQT2G	onsemi	Current & Power Monitors & Regulators CURRENT SHUNT MONITOR 26V Learn More about onsemi ncs21xr current monitor	Datasheet	538In Stock 9,000Expected 2026-11-02	Cut Tape $0.792 $0.557 $0.498 $0.433 Reel $0.348 View $0.402 $0.383 $0.367 $0.338 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Current Sense Amplifiers Currnet Sense Amp 26V G=100 NCS214RMUTAG onsemi 1: $1.21 1,707In Stock	Mfr. Part # NCS214RMUTAG Mouser Part # 863-NCS214RMUTAG	onsemi	Current Sense Amplifiers Currnet Sense Amp 26V G=100 Learn More about onsemi ncs21xr current monitor	Datasheet	1,707In Stock	Cut Tape $1.21 $0.857 $0.769 $0.671 Reel $0.549 View $0.625 $0.596 $0.573 $0.534 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Current Sense Amplifiers CURRENT SENSE AMPLIFIER 26V NCV214RSQT2G onsemi 1: $1.43 2,048In Stock	Mfr. Part # NCV214RSQT2G Mouser Part # 863-NCV214RSQT2G	onsemi	Current Sense Amplifiers CURRENT SENSE AMPLIFIER 26V Learn More about onsemi ncs21xr current monitor	Datasheet	2,048In Stock	Cut Tape $1.43 $1.03 $0.927 $0.815 View Reel $0.675 $0.762 $0.73 $0.706 $0.675 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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NCS21xR & NCV21xR Current Shunt Monitors

Types of Semiconductors