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 Maximum Operating Supply Voltage Magnetic Type
RS Stock No. 146-4507
Mfr. Part No.ACS781LLRTR-050U-T
TWD166.00
Each (In a Pack of 2)
units
20mV - PSOF 7 Surface Mount 6.4 x 4.8 x 1.48mm 3 V 3.6 V 1.48mm 6.4mm 4.8mm AEC-Q100 - -
RS Stock No. 202-8732
Mfr. Part No.ACHS-7191-000E
BrandBroadcom
TWD107.60
Each (In a Pack of 5)
units
- - SO-8 8 Surface Mount - - - - - - - - -
New
RS Stock No. 209-7649
Mfr. Part No.HV7800K1-G
BrandMicrochip
TWD16.60
Each (On a Reel of 3000)
units
450V 0.05mA SOT-23 5 Surface Mount - - - - - - - - -
RS Stock No. 146-4509
Mfr. Part No.ACS730KLCTR-40AB-T
TWD147.00
Each (In a Pack of 2)
units
75mV - 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. 200-5281
Mfr. Part No.CFS1000-AAA-AE
BrandSensitec
TWD338.00
Each (On a Reel of 1500)
units
- 28mA SOIC 16 Surface Mount - - - - - - - - -
RS Stock No. 866-0786
Mfr. Part No.ACS770LCB-100B-PFF-T
TWD249.00
Each
units
±6mV - PFF 5 Through Hole 10 x 13 x 7mm 5.5 V 4.5 V 7mm 14mm 13mm - - -
RS Stock No. 205-5832
Mfr. Part No.C/CT-0306
BrandKEMET
TWD484.90
Each (In a Box of 48)
units
- - SO-8 8 Surface Mount - - - - - - - - -
RS Stock No. 179-3976
Mfr. Part No.UPD350A-I/Q8X
BrandMicrochip
TWD39.70
Each (In a Tray of 490)
units
- - QFN 28 Surface Mount 4 x 4 x 0.85mm 5.25 V 4.75 V 0.85mm 4mm 4mm AEC-Q100 - -
RS Stock No. 146-0760
Mfr. Part No.ACS770LCB-100B-PFF-T
TWD176.10
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. 202-8738
Mfr. Part No.ACHS-7194-000E
BrandBroadcom
TWD107.60
Each (In a Pack of 5)
units
- - SO-8 8 Surface Mount - - - - - - - - -
RS Stock No. 495-758
Mfr. Part No.IR2177SPBF
BrandInfineon
TWD198.00
Each
units
- - SOIC W 16 Surface Mount 10.5 x 7.6 x 2.35mm - - 2.35mm 10.5mm 7.6mm - - -
RS Stock No. 179-4001
Mfr. Part No.MCP39F511A-E/MQ
BrandMicrochip
TWD94.00
Each (In a Pack of 5)
units
±1mV - QFN 28 Surface Mount 5 x 5 x 0.95mm 3.6 V 2.7 V 0.95mm 5mm 5mm - - -
RS Stock No. 850-7906
Mfr. Part No.ADM1191-2ARMZ-R7
TWD178.00
Each (In a Pack of 2)
units
- - MSOP 10 Surface Mount 3.1 x 3.1 x 0.95mm 26 V 3.15 V 0.95mm 3.1mm 3.1mm - - -
RS Stock No. 202-8737
Mfr. Part No.ACHS-7194-000E
BrandBroadcom
TWD79.40
Each (In a Tube of 100)
units
- - SO-8 8 Surface Mount - - - - - - - - -
RS Stock No. 831-2758
Mfr. Part No.IR2175SPBF
BrandInfineon
TWD109.00
Each
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. 146-4458
Mfr. Part No.ACS730KLCTR-40AB-T
TWD69.20
Each (On a Reel of 500)
units
75mV - 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. 866-0782
Mfr. Part No.ACS770LCB-050U-PFF-T
TWD350.00
Each
units
±6mV - PFF 5 Through Hole 10 x 13 x 7mm 5.5 V 4.5 V 7mm 14mm 13mm - - -
RS Stock No. 146-4457
Mfr. Part No.ACS781LLRTR-050U-T
TWD77.70
Each (On a Reel of 500)
units
20mV - PSOF 7 Surface Mount 6.4 x 4.8 x 1.48mm 3 V 3.6 V 1.48mm 6.4mm 4.8mm AEC-Q100 - -