0-25mA Magnetic Field Sensors 101

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Part RoHS Manufacturer Sensors or Transducers Type Mounting Feature No. of Terminals Output Type Package Shape or Style Output Range Package Body Material Minimum Range Of Magnetic Field Maximum Supply Voltage Maximum Output Current Technology Screening Level Input Mode Maximum Magnetic Field Range Hysteresis Body Length/Diameter Body Width Power Supplies (V) Output Circuit Type Resistance Package Equivalence Code No. of Axes Sub-Category Linearity (%) Body Height Minimum Supply Voltage Maximum Operating Temperature Response Time Minimum Operating Temperature Sensitivity (mV/G) Terminal Finish Termination Type Output Interface Type Output (V) Maximum Operating Current Output Polarity Additional Features Maximum Measurement Range (mm) Housing JESD-609 Code Operating Frequency Minimum Measurement Range (mm)

TLE49642MXTMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

15.9 mT

32 V

25 A

36 mT

5.5 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE49643KXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

0-25mA

PLASTIC/EPOXY

6.1 mT

32 V

25 A

AEC-Q100

UNIPOLAR

16.6 mT

3 mT

3 mm

1.6 inch

3/32

TO-236

Other Sensors/Transducers

1.35 mm

3 V

TIN

SOLDER

OPEN-DRAIN

2.5 mA

INVERTING

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

e3

TLI49611MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-3.5 mT

32 V

25 A

3.5 mT

4 mT

2.9 mm

1.3 inch

1 mm

3 V

125 Cel

-40 Cel

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE49642MXTSA1/SAMPLE

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

15.9 mT

32 V

25 A

36 mT

5.5 mT

2.9 mm

1.3 inch

1 mm

3 V

170 Cel

-40 Cel

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION

PLASTIC

TLE49641MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

0-25mA

PLASTIC/EPOXY

8.4 mT

32 V

25 A

UNIPOLAR

23.5 mT

5.5 mT

2.9 mm

1.3 inch

3/32

TO-236

Other Sensors/Transducers

1 mm

3 V

TIN

SOLDER

OPEN-DRAIN

2.5 mA

NON-INVERTING

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE49643MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

6.1 mT

32 V

25 A

16.6 mT

3 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION

PLASTIC

e3

TLE49642MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

0-25mA

PLASTIC/EPOXY

15.9 mT

32 V

25 A

AEC-Q100

UNIPOLAR

36 mT

5.5 mT

2.9 mm

1.3 inch

3/32

TO-236

Other Sensors/Transducers

1 mm

3 V

TIN

SOLDER

OPEN-DRAIN

2.5 mA

INVERTING

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE49642MXTMA1/SAMPLE

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

15.9 mT

32 V

25 A

36 mT

5.5 mT

2.9 mm

1.3 inch

1 mm

3 V

170 Cel

-40 Cel

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION

PLASTIC

TLE49646MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

.9 mT

32 V

25 A

5.4 mT

1 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION

PLASTIC

e3

TLE49644MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

0-25mA

5.4 mT

32 V

25 A

AEC-Q100

UNIPOLAR

13.5 mT

1.5 mT

2.9 mm

1.3 inch

OPEN-DRAIN

TO-236

1 mm

3 V

170 Cel

-40 Cel

TIN

SOLDER

OPEN-DRAIN

2.5 mA

REVERSE POLARITY PROTECTION

PLASTIC

TLE49645MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

2.7 mT

32 V

25 A

10.4 mT

2.5 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION

PLASTIC

e3

TLE49611MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

0-25mA

PLASTIC/EPOXY

-3.5 mT

32 V

25 A

AEC-Q100

BIPOLAR(LATCHED)

3.5 mT

4 mT

2.9 mm

1.3 inch

3/32

TO-236

Other Sensors/Transducers

1 mm

3 V

TIN

SOLDER

OPEN-DRAIN

2.5 mA

INVERTING

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

e3

TLE49681MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-2.25 mT

32 V

25 A

2.25 mT

2 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION

PLASTIC

e3

TLE4964-2M

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

15.9 mT

32 V

25 A

36 mT

5.5 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE49642KXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

15.9 mT

32 V

25 A

36 mT

5.5 mT

3 mm

1.6 inch

1.35 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

e3

TLV49611TAXBXA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-3.5 mT

26 V

25 A

3.5 mT

4 mT

4 mm

1.52 inch

3 V

125 Cel

-40 Cel

TIN

SOLDER

2.5 mA

e3

TLV49681TAXBXA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-2.3 mT

26 V

25 A

2.3 mT

2 mT

4 mm

1.52 inch

3 V

125 Cel

-40 Cel

TIN

SOLDER

2.5 mA

e3

TLV49645TBXALA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

2.8 mT

26 V

25 A

10.4 mT

2.5 mT

4 mm

1.52 inch

3 V

125 Cel

-40 Cel

TIN

SOLDER

2.5 mA

e3

TLV49681TBXALA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-2.3 mT

26 V

25 A

2.3 mT

2 mT

4 mm

1.52 inch

3 V

125 Cel

-40 Cel

TIN

SOLDER

2.5 mA

e3

TLE49613MXTMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-10.4 mT

32 V

25 A

10.4 mT

15 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLV49611TBXALA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-3.5 mT

26 V

25 A

3.5 mT

4 mT

4 mm

1.52 inch

3 V

125 Cel

-40 Cel

TIN

SOLDER

2.5 mA

e3

TLE49613LHALA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

0-25mA

PLASTIC/EPOXY

-10.4 mT

32 V

25 A

AEC-Q100

BIPOLAR(LATCHED)

10.4 mT

15 mT

4.16 mm

1.52 inch

3/32

SIP3,.03,50

Other Sensors/Transducers

3 V

TIN

SOLDER

OPEN-DRAIN

2.5 mA

INVERTING

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE49613MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

0-25mA

PLASTIC/EPOXY

-10.4 mT

32 V

25 A

AEC-Q100

BIPOLAR(LATCHED)

10.4 mT

15 mT

2.9 mm

1.3 inch

3/32

TO-236

Other Sensors/Transducers

1 mm

3 V

TIN

SOLDER

OPEN-DRAIN

2.5 mA

INVERTING

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE49611KXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-3.5 mT

32 V

25 A

3.5 mT

4 mT

3 mm

1.6 inch

1.35 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

e3

TLV49645TAXBXA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

2.8 mT

26 V

25 A

10.4 mT

2.5 mT

4 mm

1.52 inch

3 V

125 Cel

-40 Cel

TIN

SOLDER

2.5 mA

e3

TLE49612MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-7.3 mT

32 V

25 A

7.3 mT

10 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION

PLASTIC

e3

TLE49615MXTMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-19.8 mT

32 V

25 A

19.8 mT

30 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION

PLASTIC

e3

TLE49641KXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

0-25mA

PLASTIC/EPOXY

8.4 mT

32 V

25 A

AEC-Q100

UNIPOLAR

23.5 mT

5.5 mT

3 mm

1.6 inch

3/32

TO-236

Other Sensors/Transducers

1.35 mm

3 V

TIN

SOLDER

OPEN-DRAIN

2.5 mA

INVERTING

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

e3

TLV49613MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-10.4 mT

32 V

25 A

10.4 mT

15 mT

2.9 mm

1.3 inch

1 mm

3 V

85 Cel

-40 Cel

SOLDER

2.5 mA

AEC-Q100; REVERSE POLARITY PROTECTION

PLASTIC

TLV49644TAXBXA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

5.4 mT

26 V

25 A

13.5 mT

1.5 mT

4 mm

1.52 inch

3 V

125 Cel

-40 Cel

TIN

SOLDER

2.5 mA

e3

TLV49644TBXALA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

5.4 mT

26 V

25 A

13.5 mT

1.5 mT

4 mm

1.52 inch

3 V

125 Cel

-40 Cel

TIN

SOLDER

2.5 mA

e3

TLE49613KXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

0-25mA

PLASTIC/EPOXY

-10.4 mT

32 V

25 A

AEC-Q100

BIPOLAR(LATCHED)

10.4 mT

15 mT

3 mm

1.6 inch

3/32

TO-236

Other Sensors/Transducers

1.35 mm

3 V

TIN

SOLDER

OPEN-DRAIN

2.5 mA

INVERTING

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

e3

TLE49681LHALA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-2.25 mT

32 V

25 A

2.25 mT

2 mT

4.16 mm

1.52 inch

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE4961-1K

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-3.5 mT

32 V

25 A

3.5 mT

4 mT

3 mm

1.6 inch

1.25 mm

3 V

TIN

SOLDER

2.5 mA

AEC-Q100, REVERSE POLARITY PROTECTION

PLASTIC

e3

TLE4961-1M

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-3.5 mT

32 V

25 A

3.5 mT

4 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE4961-3M

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-10.4 mT

32 V

25 A

10.4 mT

15 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE49611MXTMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-3.5 mT

32 V

25 A

3.5 mT

4 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE49614MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

13.5 mT

32 V

25 A

13.5 mT

20 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION

PLASTIC

e3

TLE4964-1M

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

8.4 mT

32 V

25 A

23.5 mT

5.5 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE4964-3K

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

6.1 mT

32 V

25 A

16.6 mT

3 mT

3 mm

1.6 inch

1.35 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE4964-6M

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

.9 mT

32 V

25 A

5.4 mT

1 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION

PLASTIC

e3

TLE49641MXTMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

8.4 mT

32 V

25 A

23.5 mT

5.5 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLE49646MXTMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

.9 mT

32 V

25 A

5.4 mT

1 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION

PLASTIC

e3

TLE49681KXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

0-25mA

PLASTIC/EPOXY

-2.25 mT

32 V

25 A

2.25 mT

2 mT

3 mm

1.6 inch

3/32

Other Sensors/Transducers

1.1 mm

3 V

155 Cel

-40 Cel

TIN

SOLDER

OPEN-DRAIN

2.5 mA

OVER CURRENT PROTECTION, OVER TEMPERATURE PROTECTION, REVERSE POLARITY PROTECTION

PLASTIC

e3

TLE49681MXTMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-2.25 mT

32 V

25 A

2.25 mT

2 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION

PLASTIC

e3

TLI4961-1M

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-3.5 mT

32 V

25 A

3.5 mT

4 mT

2.9 mm

1.3 inch

1 mm

3 V

125 Cel

-40 Cel

TIN

SOLDER

2.5 mA

REVERSE POLARITY PROTECTION, OPEN DRAIN OUTPUT

PLASTIC

e3

TLV49611MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-3.5 mT

32 V

25 A

3.5 mT

4 mT

2.9 mm

1.3 inch

1 mm

3 V

85 Cel

-40 Cel

SOLDER

2.5 mA

AEC-Q100; REVERSE POLARITY PROTECTION

PLASTIC

TLV49613TAXBXA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-25mA

-10.4 mT

26 V

25 A

10.4 mT

15 mT

4 mm

1.52 inch

3 V

125 Cel

-40 Cel

TIN

SOLDER

2.5 mA

e3

Magnetic Field Sensors

Magnetic field sensors are electronic devices that measure the strength and direction of magnetic fields and convert them into a measurable electrical signal. They are commonly used in a variety of applications, such as navigation, automotive, industrial, and medical.

Magnetic field sensors work by detecting the change in magnetic field strength or direction as a magnetic field interacts with a sensing element. The sensing element is typically a small piece of magnetic material, such as a magnetoresistive or Hall-effect sensor, which generates a measurable electrical signal proportional to the strength and direction of the magnetic field.

There are several types of magnetic field sensors, including Hall-effect sensors, magnetoresistive sensors, and fluxgate sensors. Hall-effect sensors work by measuring the change in voltage across a thin strip of semiconductor material as it is exposed to a magnetic field. Magnetoresistive sensors work by measuring the change in resistance of a thin film of magnetic material as it is exposed to a magnetic field. Fluxgate sensors work by using a coil to detect the magnetic field and a feedback circuit to measure the strength and direction of the field.