Hall Effect Sensors

Due to their ability to sense electromagnetic fields, hall effect sensor have a variety of uses in electronics and machinery applications. They are often used in conjunction with external magnets to trigger a number of desired outcomes, such as proximity sensing and as position sensors. They are found in a number of devices such as computer keyboards and fuel gauges in automobiles. Hall effect devices are used in many industries where reliable, contactless sensing is desired, with countless applications in measurement and switching.

How do Hall Effect Sensors Work?

Often referred to as hall sensors, these sensors are commonly used in switches. As the sensors are activated by external magnetic fields, they rely on the hall effect to trigger switches rather than relying on contacts physically touching. Contactless switching leads to reliable, quick-acting and very long-lasting operation, and so hall effect switches are often used in challenging industries.

There are 2 different types of hall effect sensors, linear output sensors (or analogue) and digital output sensors. Linear sensors use a continuous voltage output that increases or decreases dependent on the magnetic pull from the magnetic field. Digital output has a bistable current that increases or decreases the output when the voltage rises and falls to different levels.

The RS Components range of Hall Effect Sensors includes bipolar and unipolar sensors of varying ranges and output types, from trusted brands such as Honeywell, Cherry, TE Connectivity and our own RS PRO brand.


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Description Price Output Type Body Style Mounting Style Supply Voltage Terminal Type Maximum DC Voltage Detection Range Switching Current Switching Frequency Length Width Depth Dimensions Housing Material
RS Stock No. 169-7668
Mfr. Part No.SS495A
BrandHoneywell
£1.308
Each (In a Bag of 5000)
Units
Ratiometric - - 4.5 → 10.5 V dc PCB - - 1.5 mA - 4.06mm 3mm 1.6mm 4.06 x 3 x 1.6 mm -
RS Stock No. 216-6231
Mfr. Part No.SS495A
BrandHoneywell
£2.31
Each
Units
Ratiometric - - 4.5 → 10.5 V dc PCB - - 1.5 mA - 4.06mm 3mm 1.6mm 4.06 x 3 x 1.6 mm -
RS Stock No. 765-9328
Mfr. Part No.GS100502
BrandZF
£26.52
Each
Units
NPN Barrel Panel Mount 5 → 24 V dc Wire Lead 30V - 25 mA - 65mm - - - Aluminium
RS Stock No. 181-1441
Mfr. Part No.SS443A
BrandHoneywell
£1.87
Each
Units
Digital - PCB Mount 3.8 → 30 V dc PCB 0.4V - 20 mA - 4.06mm 3mm 1.57mm 4.06 x 3 x 1.57 mm -
RS Stock No. 169-7662
Mfr. Part No.SS443A
BrandHoneywell
£1.099
Each (In a Bag of 5000)
Units
Digital - Through Hole 3.8 → 30 V dc PCB - - 20 mA - 4.06mm 3mm 1.57mm 4.06 x 3 x 1.57 mm -
RS Stock No. 765-9325
Mfr. Part No.MP101401
BrandZF
£4.51
Each
Units
NPN Block Flange Mount 4.5 → 18 V dc Wire Lead 18V - 20 mA - 17.27mm 21.72mm 3.3mm 17.27 x 21.72 x 3.3 mm -
RS Stock No. 169-7675
Mfr. Part No.SS496A1
BrandHoneywell
£2.039
Each (In a Bag of 5000)
Units
Ratiometric - - 4.5 → 10.5 V dc PCB - - 1.5 mA - 4.06mm 3mm 1.6mm 4.06 x 3 x 1.6 mm -
RS Stock No. 479-6878
Mfr. Part No.SS496A1
BrandHoneywell
£3.61
Each
Units
Ratiometric - - 4.5 → 10.5 V dc PCB - - 1.5 mA - 4.06mm 3mm 1.6mm 4.06 x 3 x 1.6 mm -
RS Stock No. 169-7669
Mfr. Part No.SS495A1
BrandHoneywell
£2.063
Each (In a Bag of 5000)
Units
Ratiometric Block Surface Mount 4.5 → 10.5 V dc PCB - - 1.5 mA - 4.06mm 3mm 1.6mm 4.06 x 3 x 1.6 mm -
RS Stock No. 216-6247
Mfr. Part No.SS495A1
BrandHoneywell
£3.81
Each
Units
Ratiometric Block Surface Mount 4.5 → 10.5 V dc PCB - - 1.5 mA - 4.06mm 3mm 1.6mm 4.06 x 3 x 1.6 mm -
RS Stock No. 361-5015
Mfr. Part No.S1456
BrandAssemtech
£31.36
Each
Units
PNP Barrel - 10 → 20 V dc Wire Lead - - 250 mA - - - - - -
RS Stock No. 169-7674
Mfr. Part No.SR17C-J6
BrandHoneywell
£1,321.43
1 Bag of 100
Bag(s)
Digital - - 3.8 → 30 V dc Wire Lead 30V - 20 mA - 23.88mm 15.75mm 12.95mm 23.88 x 15.75 x 12.95 mm -
RS Stock No. 407-7666
Mfr. Part No.SR17C-J6
BrandHoneywell
£15.42
Each
Units
Digital - - 3.8 → 30 V dc Wire Lead 30V - 20 mA - 23.88mm 15.75mm 12.95mm 23.88 x 15.75 x 12.95 mm -
RS Stock No. 169-7665
Mfr. Part No.SS94A2
BrandHoneywell
£35.551
Each (In a Bag of 1000)
Units
Ratiometric - - 6.6 → 12.6 V dc PCB - - 1 mA - 7.62mm 15.24mm 1.78mm 7.62 x 15.24 x 1.78 mm -
RS Stock No. 189-5499
Mfr. Part No.SS94A2
BrandHoneywell
£59.77
Each
Units
Ratiometric - - 6.6 → 12.6 V dc PCB - - 1 mA - 7.62mm 15.24mm 1.78mm 7.62 x 15.24 x 1.78 mm -
RS Stock No. 765-9321
Mfr. Part No.GS100701
BrandZF
£24.36
Each
Units
NPN Barrel Panel Mount 4.5 → 24 V dc Wire Lead 24V - 25 mA - 1in - - - Aluminium
RS Stock No. 169-7671
Mfr. Part No.SR15C-A3
BrandHoneywell
£8.60
Each (In a Bag of 100)
Units
Digital - - 3.8 → 30 V dc Wire Lead - - 20 mA - 7.6mm 20.3mm 5.1mm 7.6 x 20.3 x 5.1 mm -
RS Stock No. 370-6896
Mfr. Part No.SR15C-A3
BrandHoneywell
£12.60
Each
Units
Digital - - 3.8 → 30 V dc Wire Lead - - 20 mA - 7.6mm 20.3mm 5.1mm 7.6 x 20.3 x 5.1 mm -
RS Stock No. 527-8573
Mfr. Part No.MK5101
£39.60
Each
Units
- Barrel Snap On 10 → 30 V dc Wire Lead - - - >10 kHz 25.3mm 5mm 6.5mm 25.3 x 5 x 6.5 mm Polyamide
RS Stock No. 765-9319
Mfr. Part No.GS100102
BrandZF
£35.60
Each
Units
NPN Barrel Panel Mount 4.5 → 24 V dc Wire Lead 24V - 20 mA - 65.5mm - - - Stainless Steel