Semiconductors – Mouser Japan

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NCx2191x Precision Operational Amplifiers

onsemi NCx2191x Precision Operational Amplifiers offer low offset voltage and zero drift over temperature. The NCx2191x Amplifiers feature a maximum offset voltage of 25V and an input common-mode voltage range that includes ground. This makes the NCx2191x Amps well-suited for applications where precision is required, such as low side current sensing and interfacing with sensors. Automotive qualified options are available under the NCV prefix.

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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.
Precision Amplifiers QUAD PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE NCS21914DR2G onsemi 1: ¥483.4 6,844In Stock	Mfr. Part # NCS21914DR2G Mouser Part # 863-NCS21914DR2G	onsemi	Precision Amplifiers QUAD PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE Learn More about onsemi on semi ncx2191x amplifiers	Datasheet	6,844In Stock	Cut Tape ¥483.4 ¥362.1 ¥330.5 ¥297.3 View Reel ¥254.1 ¥280.7 ¥275.7 ¥274.1 ¥254.1	Min.: 1 Mult.: 1 Max.: 2,500 : 2,500
Precision Amplifiers DUAL PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE NCS21912DMR2G onsemi 1: ¥450.1 22,294In Stock 12,000On Order	Mfr. Part # NCS21912DMR2G Mouser Part # 863-NCS21912DMR2G	onsemi	Precision Amplifiers DUAL PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE Learn More about onsemi current sense amplifiers	Datasheet	22,294In Stock 12,000On Order On Order Ship Dates Mfr. #: NCS21912DMR2G Stock: 22,294 Can Ship Immediately On Order: 4,000 Expected 12/18/2026 8,000 Expected 12/22/2026 Factory Lead-Time: 48 Weeks	Cut Tape ¥450.1 ¥335.5 ¥307.3 ¥274.1 View Reel ¥229.2 ¥259.1 ¥254.1 ¥240.8 ¥234.2 ¥229.2	Min.: 1 Mult.: 1 : 4,000
Precision Amplifiers 2 MHz NCS21911SN2T1G onsemi 1: ¥435.2 4,102In Stock	Mfr. Part # NCS21911SN2T1G Mouser Part # 863-NCS21911SN2T1G	onsemi	Precision Amplifiers 2 MHz Learn More about onsemi on semi ncs2191x amplifiers	Datasheet	4,102In Stock	Cut Tape ¥435.2 ¥322.2 ¥294 ¥264.1 View Reel ¥227.6 ¥249.2 ¥240.8 ¥230.9 ¥227.6 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Precision Amplifiers PRECISION OPAMP 2MHZ Low Noise Zero-Drift NCV21911SN2T1G onsemi 1: ¥450.1 6,018In Stock 6,000Expected 12/4/2026	Mfr. Part # NCV21911SN2T1G Mouser Part # 863-NCV21911SN2T1G	onsemi	Precision Amplifiers PRECISION OPAMP 2MHZ Low Noise Zero-Drift Learn More about onsemi on semi ncs2191x amplifiers	Datasheet	6,018In Stock 6,000Expected 12/4/2026	Cut Tape ¥450.1 ¥335.5 ¥307.3 ¥275.7 View Reel ¥234.2 ¥260.8 ¥254.1 ¥240.8 ¥234.2 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Precision Amplifiers DUAL PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE NCV21912DR2G onsemi 1: ¥416.9 7,469In Stock 7,500Expected 12/29/2026	Mfr. Part # NCV21912DR2G Mouser Part # 863-NCV21912DR2G	onsemi	Precision Amplifiers DUAL PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE Learn More about onsemi on semi ncx2191x amplifiers	Datasheet	7,469In Stock 7,500Expected 12/29/2026	Cut Tape ¥416.9 ¥308.9 ¥282.4 ¥252.5 View Reel ¥219.3 ¥239.2 ¥230.9 ¥220.9 ¥219.3 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,500 : 2,500
Operational Amplifiers - Op Amps QUAD PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE NCV21914DR2G onsemi 1: ¥594.6 1,781In Stock	Mfr. Part # NCV21914DR2G Mouser Part # 863-NCV21914DR2G	onsemi	Operational Amplifiers - Op Amps QUAD PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE Learn More about onsemi on semi ncx2191x amplifiers	Datasheet	1,781In Stock	Cut Tape ¥594.6 ¥443.5 ¥405.3 ¥363.8 Reel ¥308.9 View ¥343.8 ¥335.5 ¥318.9 ¥302.3 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Precision Amplifiers DUAL PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE NCS21912DR2G onsemi 1: ¥398.6 84In Stock 5,000Expected 1/1/2027	Mfr. Part # NCS21912DR2G Mouser Part # 863-NCS21912DR2G	onsemi	Precision Amplifiers DUAL PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE Learn More about onsemi on semi ncx2191x amplifiers	Datasheet	84In Stock 5,000Expected 1/1/2027	Cut Tape ¥398.6 ¥294 ¥269.1 ¥239.2 View Reel ¥206 ¥225.9 ¥219.3 ¥210.9 ¥206 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,500 : 2,500
Precision Amplifiers QUAD PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE NCS21914DTBR2G onsemi 1: ¥568.1 65In Stock 2,500Expected 10/23/2026	Mfr. Part # NCS21914DTBR2G Mouser Part # 863-NCS21914DTBR2G	onsemi	Precision Amplifiers QUAD PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE Learn More about onsemi on semi ncx2191x amplifiers	Datasheet	65In Stock 2,500Expected 10/23/2026	Cut Tape ¥568.1 ¥421.9 ¥387 ¥347.1 View Reel ¥295.7 ¥327.2 ¥320.6 ¥304 ¥295.7	Min.: 1 Mult.: 1 : 2,500
Precision Amplifiers DUAL PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE NCV21912DMR2G onsemi 1: ¥485 93In Stock 16,000On Order	Mfr. Part # NCV21912DMR2G Mouser Part # 863-NCV21912DMR2G	onsemi	Precision Amplifiers DUAL PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE Learn More about onsemi current sense amplifiers	Datasheet	93In Stock 16,000On Order On Order Ship Dates Mfr. #: NCV21912DMR2G Stock: 93 Can Ship Immediately On Order: 8,000 Expected 12/29/2026 8,000 Expected 1/5/2027 Factory Lead-Time: 52 Weeks	Cut Tape ¥485 ¥362.1 ¥330.5 ¥295.7 View Reel ¥247.5 ¥280.7 ¥274.1 ¥259.1 ¥252.5 ¥247.5	Min.: 1 Mult.: 1 Max.: 4,000 : 4,000
Operational Amplifiers - Op Amps QUAD PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE NCV21914DTBR2G onsemi 1: ¥619.6 147In Stock	Mfr. Part # NCV21914DTBR2G Mouser Part # 863-NCV21914DTBR2G	onsemi	Operational Amplifiers - Op Amps QUAD PRECISION OPAMP 2MHZ BW ULTRA LOW NOISE Learn More about onsemi on semi ncx2191x amplifiers	Datasheet	147In Stock	Cut Tape ¥619.6 ¥461.8 ¥421.9 ¥378.7 Reel ¥322.2 View ¥357.1 ¥348.8 ¥332.2 ¥315.6	Min.: 1 Mult.: 1 : 2,500