Current Sensor ICs

Current Sensors are devices designed to detect electrical current in a circuit and to generate a signal that is proportional to that current. The signal can be measured and displayed or stored for further analysis. RS offers a variety of high-quality sensing equipment, feel free to browse our range of sensors and sensor integrated circuits to ensure you manage to get the accuracy you want for your needs.

Current sensors can measure both AC voltage and DC voltage and can be divided into two categories:

  • In-line sensors – mounted as an integral part of the circuit.
  • Clamp type sensors – they can be clamped around the wire to be measured.

Current Sensors Technologies

Hall Effect

Hall Effect sensors consist of a core, Hall Effect device and signal conditioning circuitry. Sensors work when current conductor passes through a magnetically permeable core that concentrates the conductor’s magnetic field. The energised Hall device is then exposed to a magnetic field from the core and it produces a potential difference that can be measured and amplified.

Inductive

Inductive sensors use a coil through which a current-carrying wire passes. This causes power to flow in the coil that is proportional to the current. The current flow then can be measured or transformed.

Magnetoresistive

a current flows through the plate and the effect is the property of certain materials to change the value of its resistance. When the current flows for a longer distance, resistance is increased and decreased at a shorter distance.


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Description Price Offset Voltage Quiescent Current Package Type Pin Count Mounting Type Dimensions Maximum Input Voltage Minimum Input Voltage Product Height Product Length Product Width Automotive Standard
RS Stock No. 751-5300
Mfr. Part No.ZXCT1051E5TA
HK$11.95
Each (In a Pack of 5)
units
- 50µA SOT-23 5 Surface Mount 3.1 x 1.8 x 1.3mm 20 V 2.7 V 1.3mm 3.1mm 1.8mm -
RS Stock No. 922-8496
Mfr. Part No.ZXCT1051E5TA
HK$4.767
Each (On a Reel of 3000)
units
- 50µA SOT-23 5 Surface Mount 3.1 x 1.8 x 1.3mm 20 V 2.7 V 1.3mm 3.1mm 1.8mm -
RS Stock No. 146-0760
Mfr. Part No.ACS770LCB-100B-PFF-T
HK$44.704
Each (In a Tube of 34)
units
±6mV - PFF 5 Through Hole 10 x 13 x 7mm 5.5 V 4.5 V 7mm 14mm 13mm -
RS Stock No. 921-2980
Mfr. Part No.INA225AIDGKT
HK$12.485
Each (In a Tube of 250)
units
±150µV 350µA VSSOP 8 Surface Mount 3.1 x 3.1 x 0.95mm 36 V 0 V 0.95mm 3.1mm 3.1mm -
RS Stock No. 866-0760
Mfr. Part No.ACS723LLCTR-10AB-T
HK$44.885
Each (In a Pack of 2)
units
±15mV - SOIC 8 Surface Mount 4.9 x 3.9 x 1.5mm 5.5 V 4.5 V 1.5mm 4.9mm 3.9mm -
RS Stock No. 122-1417
Mfr. Part No.ZXCT1008FTA
HK$4.106
Each (On a Reel of 3000)
units
- 4µA SOT-23 3 Surface Mount 3.04 x 1.4 x 1.02mm 20 V 2.5 V 1.02mm 3.04mm 1.4mm -
RS Stock No. 177-5551
Mfr. Part No.ACS723LLCTR-10AB-T
HK$16.305
Each (On a Reel of 3000)
units
±15mV - SOIC 8 Surface Mount 4.9 x 3.9 x 1.5mm 5.5 V 4.5 V 1.5mm 4.9mm 3.9mm -
RS Stock No. 866-0786
Mfr. Part No.ACS770LCB-100B-PFF-T
HK$63.68
Each
units
±6mV - PFF 5 Through Hole 10 x 13 x 7mm 5.5 V 4.5 V 7mm 14mm 13mm -
RS Stock No. 751-5297
Mfr. Part No.ZXCT1008FTA
HK$9.618
Each (In a Pack of 5)
units
- 4µA SOT-23 3 Surface Mount 3.04 x 1.4 x 1.02mm 20 V 2.5 V 1.02mm 3.04mm 1.4mm -
RS Stock No. 495-758
Mfr. Part No.IR2177SPBF
BrandInfineon
HK$50.09
Each
units
- - SOIC W 16 Surface Mount 10.5 x 7.6 x 2.35mm - - 2.35mm 10.5mm 7.6mm -
RS Stock No. 671-0009
Mfr. Part No.RV4141AMT
HK$7.456
Each (In a Pack of 5)
units
0.2mV 0.5mA SOIC 8 Surface Mount 5 x 4 x 1.5mm 14 V 12 V 1.5mm 5mm 4mm -
RS Stock No. 166-1689
Mfr. Part No.RV4141AMT
HK$3.364
Each (On a Reel of 2500)
units
0.2mV 0.5mA SOIC 8 Surface Mount 5 x 4 x 1.5mm 14 V 12 V 1.5mm 5mm 4mm -
RS Stock No. 823-9284
Mfr. Part No.INA225AIDGKT
HK$22.198
Each (In a Pack of 5)
units
±150µV 350µA VSSOP 8 Surface Mount 3.1 x 3.1 x 0.95mm 36 V 0 V 0.95mm 3.1mm 3.1mm -
RS Stock No. 200-5282
Mfr. Part No.CFS1000-AAA-AE
BrandSensitec
HK$111.90
Each
units
- 28mA SOIC 16 Surface Mount - - - - - - -
RS Stock No. 205-5832
Mfr. Part No.C/CT-0306
BrandKEMET
HK$127.134
Each (In a Box of 48)
units
- - SO-8 8 Surface Mount - - - - - - -
RS Stock No. 866-0770
Mfr. Part No.ACS722LLCTR-20AB-T
HK$44.885
Each (In a Pack of 2)
units
±15mV - SOIC 8 Surface Mount 4.9 x 3.9 x 1.5mm 3.6 V 3 V 1.5mm 4.9mm 3.9mm -
RS Stock No. 170-9142
Mfr. Part No.ACS770LCB-050U-PFF-T
HK$44.704
Each (In a Tube of 34)
units
±6mV - PFF 5 Through Hole 10 x 13 x 7mm 5.5 V 4.5 V 7mm 14mm 13mm -
RS Stock No. 146-0761
Mfr. Part No.ACS770LCB-100U-PFF-T
HK$44.704
Each (In a Tube of 34)
units
±6mV - PFF 5 Through Hole 10 x 13 x 7mm 5.5 V 4.5 V 7mm 14mm 13mm -
RS Stock No. 124-8780
Mfr. Part No.IR2175SPBF
BrandInfineon
HK$22.197
Each (In a Tube of 95)
units
600V 2mA SOIC 8 Surface Mount 5 x 4 x 1.5mm 0.26 V -260 mV 1.5mm 5mm 4mm -
RS Stock No. 921-0830
Mfr. Part No.ZXCT1086E5TA
HK$13.388
Each (In a Pack of 5)
units
±3mV 0.6µA SOT-25 5 Surface Mount 3.1 x 1.7 x 1.3mm 60 V 2.7 V 1.3mm 3.1mm 1.7mm -