Current Sense Amplifiers – Mouser United Kingdom

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INA199/INA199-Q1 Current Shunt Monitors

Texas Instruments INA199/INA199-Q1 Voltage Output Current Shunt Monitors are commonly used for overcurrent protection, precision current measurement for system optimization, or in closed-loop feedback circuits. These devices can sense drops across shunt resistors at common-mode voltages from –0.3V to 26V, independent of the supply voltage. The INA199/INA199-Q1 comes in three fixed gains (50V/V, 100V/V, and 200V/V). The low offset of the zero-drift architecture enables current sensing with maximum drops across the shunt as low as 10mV full-scale. These devices can operate from a single 2.7V to 26V power supply, drawing a maximum of 100µA of supply current. All versions are specified from –40°C to 105°C and are offered in both SC70-6 and thin UQFN-10 packages. The INA199-Q1 devices are AEC-Q100 qualified for automotive applications.

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Part #

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A3DCKR

INA199A3DCKT
Texas Instruments
1: £0.952
27,063In Stock

Mfr. Part No.
INA199A3DCKT

Mouser Part No
595-INA199A3DCKT

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A3DCKR

Datasheet

27,063In Stock

Cut Tape

£0.952

£0.69

£0.625

£0.553

Reel

£0.466

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MouseReel Available

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Mult.: 1

: 250

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A1DCKR

INA199A1DCKT
Texas Instruments
1: £0.952
38,822In Stock

Mfr. Part No.
INA199A1DCKT

Mouser Part No
595-INA199A1DCKT

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A1DCKR

Datasheet

38,822In Stock

Cut Tape

£0.952

£0.69

£0.625

£0.553

Reel

£0.518

View

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Mult.: 1

: 250

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

0.4 V/us

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B2DCKR

INA199B2DCKT
Texas Instruments
1: £0.952
15,532In Stock

Mfr. Part No.
INA199B2DCKT

Mouser Part No
595-INA199B2DCKT

Texas Instruments

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B2DCKR

Datasheet

15,532In Stock

Cut Tape

£0.952

£0.694

£0.628

£0.555

Reel

£0.475

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MouseReel Available

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Mult.: 1

: 250

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A2RSWT

INA199A2RSWR
Texas Instruments
1: £0.48
5,004In Stock

Mfr. Part No.
INA199A2RSWR

Mouser Part No
595-INA199A2RSWR

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A2RSWT

Datasheet

5,004In Stock

Cut Tape

£0.48

£0.342

£0.307

£0.268

View

Reel

£0.207

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

UQFN-10

0.4 V/us

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOUT Hi/Lo Side Bi-D irect Zero-Drift A A 595-INA199B1RSWT

INA199B1RSWR
Texas Instruments
1: £0.443
4,748In Stock

Mfr. Part No.
INA199B1RSWR

Mouser Part No
595-INA199B1RSWR

Texas Instruments

Current Sense Amplifiers VOUT Hi/Lo Side Bi-D irect Zero-Drift A A 595-INA199B1RSWT

Datasheet

4,748In Stock

Cut Tape

£0.443

£0.313

£0.282

£0.245

View

Reel

£0.189

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

UQFN-10

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B1DCKR

INA199B1DCKT
Texas Instruments
1: £0.952
6,263In Stock

Mfr. Part No.
INA199B1DCKT

Mouser Part No
595-INA199B1DCKT

Texas Instruments

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B1DCKR

Datasheet

6,263In Stock

Cut Tape

£0.952

£0.69

£0.625

£0.553

Reel

£0.518

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C3DCKT

INA199C3DCKR
Texas Instruments
1: £0.653
6,772In Stock
18,000Expected 21/09/2026

Mfr. Part No.
INA199C3DCKR

Mouser Part No
595-INA199C3DCKR

Texas Instruments

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C3DCKT

Datasheet

6,772In Stock

18,000Expected 21/09/2026

Cut Tape

£0.653

£0.465

£0.419

£0.368

Reel

£0.308

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

0.4 V/us

Reel, Cut Tape, MouseReel

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A1RSWT

INA199A1RSWR
Texas Instruments
1: £0.48
7,167In Stock

Mfr. Part No.
INA199A1RSWR

Mouser Part No
595-INA199A1RSWR

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A1RSWT

Datasheet

7,167In Stock

Cut Tape

£0.48

£0.342

£0.307

£0.268

Reel

£0.217

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

UQFN-10

Reel, Cut Tape, MouseReel

Current Sense Amplifiers 26V Bi-Dir 0-Drift C urr Shunt Monitor A A 595-INA199A2DCKT

INA199A2DCKR
Texas Instruments
1: £0.48
11,017In Stock

Mfr. Part No.
INA199A2DCKR

Mouser Part No
595-INA199A2DCKR

Texas Instruments

Current Sense Amplifiers 26V Bi-Dir 0-Drift C urr Shunt Monitor A A 595-INA199A2DCKT

Datasheet

11,017In Stock

Cut Tape

£0.48

£0.342

£0.307

£0.268

Reel

£0.217

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

0.4 V/us

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B2DCKT

INA199B2DCKR
Texas Instruments
1: £0.503
6,381In Stock

Mfr. Part No.
INA199B2DCKR

Mouser Part No
595-INA199B2DCKR

Texas Instruments

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B2DCKT

Datasheet

6,381In Stock

Cut Tape

£0.503

£0.357

£0.32

£0.279

Reel

£0.227

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C1DCKT

INA199C1DCKR
Texas Instruments
1: £0.736
23,763In Stock

Mfr. Part No.
INA199C1DCKR

Mouser Part No
595-INA199C1DCKR

Texas Instruments

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C1DCKT

Datasheet

23,763In Stock

Cut Tape

£0.736

£0.528

£0.476

£0.419

Reel

£0.352

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

0.4 V/us

Reel, Cut Tape, MouseReel

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C3RSWT

INA199C3RSWR
Texas Instruments
1: £0.653
5,555In Stock

Mfr. Part No.
INA199C3RSWR

Mouser Part No
595-INA199C3RSWR

Texas Instruments

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C3RSWT

Datasheet

5,555In Stock

Cut Tape

£0.653

£0.465

£0.419

£0.368

Reel

£0.298

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

UQFN-10

400 mV/us

Reel, Cut Tape, MouseReel

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A2DCKR

INA199A2DCKT
Texas Instruments
1: £0.952
829In Stock

Mfr. Part No.
INA199A2DCKT

Mouser Part No
595-INA199A2DCKT

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A2DCKR

Datasheet

829In Stock

Cut Tape

£0.952

£0.69

£0.625

£0.553

Reel

£0.533

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

0.4 V/us

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOUT Hi/Lo Side Bi-D irect Zero-Drift A A 595-INA199B2RSWT

INA199B2RSWR
Texas Instruments
1: £0.458
1,701In Stock

Mfr. Part No.
INA199B2RSWR

Mouser Part No
595-INA199B2RSWR

Texas Instruments

Current Sense Amplifiers VOUT Hi/Lo Side Bi-D irect Zero-Drift A A 595-INA199B2RSWT

Datasheet

1,701In Stock

Cut Tape

£0.458

£0.32

£0.285

£0.251

Reel

£0.195

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

UQFN-10

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOUT Hi/Lo Side Bi-D irect Zero-Drift A A 595-INA199B3RSWT

INA199B3RSWR
Texas Instruments
1: £0.443
963In Stock

Mfr. Part No.
INA199B3RSWR

Mouser Part No
595-INA199B3RSWR

Texas Instruments

Current Sense Amplifiers VOUT Hi/Lo Side Bi-D irect Zero-Drift A A 595-INA199B3RSWT

Datasheet

963In Stock

Cut Tape

£0.443

£0.313

£0.282

£0.245

Reel

£0.195

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

UQFN-10

Reel, Cut Tape, MouseReel

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

INA199C3QDCKRQ1
Texas Instruments
1: £0.653
1,028In Stock

Mfr. Part No.
INA199C3QDCKRQ1

Mouser Part No
595-INA199C3QDCKRQ1

Texas Instruments

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

Datasheet

1,028In Stock

Cut Tape

£0.653

£0.585

£0.552

Reel

£0.392

£0.387

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

AEC-Q100

0.4 V/us

Reel, Cut Tape, MouseReel

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A1DCKT

INA199A1DCKR
Texas Instruments
1: £0.48
508In Stock
36,000Expected 26/11/2026

Mfr. Part No.
INA199A1DCKR

Mouser Part No
595-INA199A1DCKR

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A1DCKT

Datasheet

508In Stock

36,000Expected 26/11/2026

Cut Tape

£0.48

£0.342

£0.307

£0.268

Reel

£0.217

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

100 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A3RSWT

INA199A3RSWR
Texas Instruments
1: £0.48
798In Stock

Mfr. Part No.
INA199A3RSWR

Mouser Part No
595-INA199A3RSWR

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A3RSWT

Datasheet

798In Stock

Cut Tape

£0.48

£0.342

£0.307

£0.268

Reel

£0.213

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

UQFN-10

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B1DCKT

INA199B1DCKR
Texas Instruments
1: £0.526
1,763In Stock
12,000Expected 17/12/2026

Mfr. Part No.
INA199B1DCKR

Mouser Part No
595-INA199B1DCKR

Texas Instruments

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B1DCKT

Datasheet

1,763In Stock

12,000Expected 17/12/2026

Cut Tape

£0.526

£0.367

£0.329

£0.287

Reel

£0.233

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

INA199B2QDCKRQ1
Texas Instruments
1: £0.578
3,989In Stock

Mfr. Part No.
INA199B2QDCKRQ1

Mouser Part No
595-INA199B2QDCKRQ1

Texas Instruments

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

Datasheet

3,989In Stock

Cut Tape

£0.578

£0.413

£0.371

£0.325

Reel

£0.265

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

AEC-Q100

0.4 V/us

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B3DCKT

INA199B3DCKR
Texas Instruments
1: £0.443
3,151In Stock

Mfr. Part No.
INA199B3DCKR

Mouser Part No
595-INA199B3DCKR

Texas Instruments

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B3DCKT

Datasheet

3,151In Stock

Cut Tape

£0.443

£0.313

£0.282

£0.245

Reel

£0.197

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B3DCKR

INA199B3DCKT
Texas Instruments
1: £0.952
1,172In Stock

Mfr. Part No.
INA199B3DCKT

Mouser Part No
595-INA199B3DCKT

Texas Instruments

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B3DCKR

Datasheet

1,172In Stock

Cut Tape

£0.952

£0.69

£0.625

£0.553

Reel

£0.518

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

INA199C1QDCKRQ1
Texas Instruments
1: £0.834
75In Stock
6,000Expected 21/01/2027

Mfr. Part No.
INA199C1QDCKRQ1

Mouser Part No
595-INA199C1QDCKRQ1

Texas Instruments

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

Datasheet

75In Stock

6,000Expected 21/01/2027

Cut Tape

£0.834

£0.597

£0.538

£0.474

Reel

£0.373

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

AEC-Q100

0.4 V/us

Reel, Cut Tape, MouseReel

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C2DCKT

INA199C2DCKR
Texas Instruments
1: £0.676
3,207In Stock

Mfr. Part No.
INA199C2DCKR

Mouser Part No
595-INA199C2DCKR

Texas Instruments

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C2DCKT

Datasheet

3,207In Stock

Cut Tape

£0.676

£0.478

£0.429

£0.375

Reel

£0.306

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

0.4 V/us

Reel, Cut Tape, MouseReel

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

INA199C2QDCKRQ1
Texas Instruments
1: £0.653
783In Stock

Mfr. Part No.
INA199C2QDCKRQ1

Mouser Part No
595-INA199C2QDCKRQ1

Texas Instruments

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

Datasheet

783In Stock

Cut Tape

£0.653

£0.563

£0.526

£0.464

Reel

£0.383

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

AEC-Q100

0.4 V/us

Reel, Cut Tape, MouseReel

INA199/INA199-Q1 Current Shunt Monitors

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