Magnetic Field Sensors

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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)

TLE49452LXA

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

DIGITAL CURRENT

RECTANGULAR

24 V

5 mT

4.16 mm

1.52 inch

3.8 V

SOLDER

8 mA

PLASTIC

AH1883-ZG-7

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

6

ANALOG VOLTAGE

RECTANGULAR

0.20-1.60V

PLASTIC/EPOXY

.6 mT

3.3 V

.5 A

CMOS

5.5 mT

.8 mT

1.6 mm

1.2 inch

1.8/3

FL6,.047,20

Other Sensors

.6 mm

1.65 V

85 Cel

-40 Cel

MATTE TIN

SOLDER

4 mA

NON-INVERTING

BATTERY OPERATION, ITS ALSO USE MAGNETIC RANGE MINUS 0.6 TO MINUS 5.5 MT

e3

TLE4935LHALA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

3

DIGITAL CURRENT

RECTANGULAR

-20 mT

24 V

BIPOLAR

20 mT

40 mT

4.16 mm

1.52 inch

TRANSISTOR

SIP3,.03,50

3.29 mm

3.8 V

150 Cel

-40 Cel

TIN

PIN

OPEN-COLLECTOR

8 mA

REVERSE POLARITY PROTECTION

PLASTIC

e3

VF401

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

THROUGH HOLE MOUNT

DIGITAL CURRENT

RECTANGULAR

4.06 mm

1.57 inch

3 mm

150 Cel

-40 Cel

WIRE

2-WIRE INTERFACE

PLASTIC

ACS718KMATR-10B-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

16

ANALOG VOLTAGE

RECTANGULAR

PLASTIC/EPOXY

5.5 V

BICMOS

10.3 mm

7.5 inch

SOP16,.4

2.65 mm

4.5 V

125 Cel

-40 Cel

SOLDER

9 mA

IT HAVE SENSITIVITY OF 200 MV/A

TLE49462KHTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

DIGITAL VOLTAGE

RECTANGULAR

-0.7-18V

PLASTIC/EPOXY

-3.5 mT

18 V

20 A

BIPOLAR

BIPOLAR

3.5 mT

4 mT

3 mm

1.6 inch

2.7/18

TO-236

Other Sensors/Transducers

1.2 mm

2.7 V

TIN

SOLDER

OPEN-COLLECTOR

6 mA

INVERTING

REVERSE BATTERY PROTECTION

e3

TMAG5273A2QDBVR

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

6

VOLTAGE OUTPUT

RECTANGULAR

0-5.5V

3.6 V

2 A

2.9 mm

1.6 inch

TSOP6,.11,37

1.1 mm

1.7 V

125 Cel

-40 Cel

TIN

SOLDER

2-WIRE INTERFACE

3 mA

PLASTIC

e3

DRV5023BIQLPGMQ1

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

DIGITAL CURRENT

RECTANGULAR

0-30mA

3 mT

38 V

30 A

AEC-Q100

UNIPOLAR

24 mT

8.5 mT

4 mm

1.52 inch

5.05 mm

2.7 V

125 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

2-WIRE INTERFACE

OPEN-DRAIN

3.5 mA

INVERTING

AEC-Q100, SHORT CIRCUIT PROTECTION, REVERSE SUPPLY PROTECTION

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

DRV5023AJQDBZT

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

DIGITAL VOLTAGE

RECTANGULAR

0-38V

PLASTIC/EPOXY

1 mT

38 V

UNIPOLAR

12 mT

3.7 mT

2.92 mm

1.3 inch

1.005 mm

2.5 V

125 Cel

-40 Cel

Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)

SOLDER

2-WIRE INTERFACE

OPEN-DRAIN

3.5 mA

IT HAS SENSITIVITY 6.9 MT, SHORT CIRCUIT PROTECTION

PLASTIC

e4

SS49E-F

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,HALL EFFECT

ANALOG CURRENT

-65 mT

6.5 V

-0.70

2.7 V

100 Cel

-40 Cel

10 mA

OUTPUT VOLTAGE 1 TO 1.75 MILLI VOLT PER GAUSSS

TMAG5170A2QDGKR

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

8

VOLTAGE OUTPUT

SQUARE

0.4-4.6V

5.5 V

2 A

3 mm

3 inch

SOP8,.2,25

1.1 mm

2.3 V

150 Cel

-40 Cel

MATTE TIN

SOLDER

4-WIRE INTERFACE

PLASTIC

e3

TMAG5170A2QDGKT

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

8

VOLTAGE OUTPUT

SQUARE

0.4-4.6V

5.5 V

2 A

3 mm

3 inch

SOP8,.2,25

1.1 mm

2.3 V

150 Cel

-40 Cel

MATTE TIN

SOLDER

4-WIRE INTERFACE

PLASTIC

e3

MLX91208LDC-CAH-000-TU

Melexis N V

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

8

ANALOG CURRENT

RECTANGULAR

-2-2mA

PLASTIC/EPOXY

-25 mT

5.5 V

2 A

AEC-Q100

25 mT

.025 mT

4.89 mm

3.9 inch

5

SINGLE-ENDED

1 ohm

SOP8,.25

Other Sensors/Transducers

1.64 mm

4.5 V

150 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

ANALOG

14 mA

IT HAS SENSITIVITY OF 100 MV/MT

e3

TLE49662KHTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

6

DIGITAL CURRENT

RECTANGULAR

0-10mA

PLASTIC/EPOXY

-9.5 mT

24 V

10 A

BIPOLAR

BIPOLAR

9.5 mT

15 mT

2.9 mm

1.6 inch

2.7/18

TSOP6,.11,37

Other Sensors

1.1 mm

2.7 V

TIN

SOLDER

OPEN-COLLECTOR

7 mA

INVERTING

DUAL OUTPUT

PLASTIC

e3

TLE49663KHTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

6

DIGITAL CURRENT

RECTANGULAR

0-10mA

PLASTIC/EPOXY

-4.2 mT

18 V

10 A

4.2 mT

5 mT

2.9 mm

1.6 inch

2.7/18

SINGLE-ENDED

TSOP6,.11,37

Other Sensors

1.1 mm

2.7 V

TIN

SOLDER

SINGLE-ENDED

7 mA

PLASTIC

e3

SS443R

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,HALL EFFECT

TLE49215UXA

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

DIGITAL VOLTAGE

RECTANGULAR

0.25-0.60V

0 mT

24 V

50 A

20 mT

1.5 mT

5.34 mm

1 inch

3.71 mm

4.5 V

-5 mV/G

SOLDER

2-WIRE INTERFACE

8.8 mA

REVERSE POLARITY PROTECTION, SENSITIVITY IS -5 MV/MT

PLASTIC

A1102ELHLT-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

VOLTAGE OUTPUT

RECTANGULAR

6 mT

24 V

BICMOS

AEC-Q100

24.5 mT

5.5 mT

2.98 mm

1.91 inch

TO-236

.95 mm

3.8 V

85 Cel

-40 Cel

MATTE TIN

SOLDER

7.5 mA

REVERSE BATTERY PROTECTION

DRV5053CAQLPGMQ1

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-2.3mA

38 V

2.3 A

AEC-Q100

BIPOLAR

4 mm

1.52 inch

1

5.05 mm

2.7 V

125 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

3.6 mA

COMPLEMENTARY

AEC-Q100, SHORT CIRCUIT PROTECTION, REVERSE SUPPLY PROTECTION

PLASTIC

e3

SS411A-R

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

3

DIGITAL CURRENT

RECTANGULAR

PLASTIC/EPOXY

-6 mT

30 V

20 A

BIPOLAR

BIPOLAR

6 mT

4.06 mm

1.57 inch

3.8/30

SIP3,.03,50

Other Sensors

3 mm

3.8 V

150 Cel

-40 Cel

SOLDER

OPEN-COLLECTOR

10 mA

INVERTING

PLASTIC

TLE4997E2XALA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

ANALOG CURRENT

RECTANGULAR

-1-1mA

50 mT

5.5 V

30 A

200 mT

4.06 mm

1.5 inch

5.4 mm

4.5 V

150 Cel

-40 Cel

TIN

SOLDER

2-WIRE INTERFACE

10 mA

REVERSE POLARITY PROTECTION, SHORT CIRCUIT PROTECTION, IT HAS SENSITIVITY OF 300 MV/MT

PLASTIC

e3

A1104EUA-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

3

VOLTAGE OUTPUT

RECTANGULAR

2.5 mT

24 V

BICMOS

AEC-Q100

45 mT

5.5 mT

4.09 mm

1.52 inch

SIP3,.8,50

3.02 mm

3.8 V

85 Cel

-40 Cel

MATTE TIN

SOLDER

7.5 mA

REVERSE BATTERY PROTECTION

BU52025G-TR

ROHM

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

6

VOLTAGE OUTPUT

RECTANGULAR

0.40-2.60V

PLASTIC/EPOXY

.8 mT

3.6 V

1 A

5.5 mT

.8 mT

2.9 mm

1.6 inch

3

TSOP6,.11,37

Other Sensors

1.25 mm

2.4 V

85 Cel

-40 Cel

SOLDER

OPEN-DRAIN

.012 mA

INVERTING

SEATED HEIGHT-MAX

PLASTIC

MMC5603NJ

Memsic

SS496A1-T2

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

3

ANALOG CURRENT

RECTANGULAR

-84 mT

10.5 V

84 mT

4.06 mm

1.57 inch

TRANSISTOR

SIP3,.1,50

1.5

3 mm

4.5 V

150 Cel

-40 Cel

2.5 mV/G

PIN

OPEN-COLLECTOR

8.7 mA

DRV5053OAQLPGMQ1

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-2.3mA

38 V

2.3 A

AEC-Q100

BIPOLAR

4 mm

1.52 inch

1

5.05 mm

2.7 V

125 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

3.6 mA

COMPLEMENTARY

AEC-Q100, SHORT CIRCUIT PROTECTION, REVERSE SUPPLY PROTECTION

PLASTIC

e3

SS49E-T2

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

ANALOG CURRENT

RECTANGULAR

1-1.75V

-65 mT

6.5 V

1.5 A

4.1 mm

1.6 inch

-0.70

4.1 mm

2.7 V

100 Cel

-40 Cel

1.4 mV/G

SOLDER

10 mA

OUTPUT VOLTAGE 1 TO 1.75 MILLI VOLT PER GAUSSS

PLASTIC

TLE49421CBAMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

DIGITAL CURRENT

RECTANGULAR

20 V

5.34 mm

1 inch

4.5 V

TIN

SOLDER

2-WIRE INTERFACE

16.8 mA

PLASTIC

e3

TLE49631MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-5mA

-3.5 mT

5.5 V

5 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

PLASTIC

e3

ACS724LMATR-20AB-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

16

VOLTAGE OUTPUT

RECTANGULAR

0.5-4.5V

PLASTIC/EPOXY

5.5 V

BICMOS

AEC-Q100

10.3 mm

7.5 inch

SINGLE-ENDED

SOP16,.4

1

2.65 mm

4.5 V

150 Cel

-40 Cel

MATTE TIN

SOLDER

14 mA

AEC-Q100; IT HAVE SENSITIVITY OF 100 MV/A

e3

DRV5033AJQDBZT

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

DIGITAL VOLTAGE

RECTANGULAR

0-38V

PLASTIC/EPOXY

1 mT

38 V

UNIPOLAR

12 mT

3.4 mT

2.92 mm

1.3 inch

1.005 mm

2.5 V

125 Cel

-40 Cel

Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)

SOLDER

2-WIRE INTERFACE

OPEN-DRAIN

3.6 mA

IT HAS SENSITIVITY 6.9 MT, SHORT CIRCUIT PROTECTION

PLASTIC

e4

DRV5055A3QLPGM

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

ANALOG CURRENT

RECTANGULAR

-1-1mA

3.63 V

1 A

BIPOLAR

4 mm

1.52 inch

5.05 mm

3 V

125 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

10 mA

INVERTING

IT HAVE SENSITIVITY OF PLUS OR MINUS 15 MV/MT; IT ALSO OPERATES AT 4.5 TO 5.5 V SUPPLY VOLTAGE

PLASTIC

e3

PTMAG5273A2QDBVR

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

6

DIGITAL CURRENT

RECTANGULAR

0-5.5V

PLASTIC/EPOXY

3.6 V

2 A

2.9 mm

1.6 inch

TSOP6,.11,37

3

1.1 mm

1.7 V

125 Cel

-40 Cel

SOLDER

2-WIRE INTERFACE

PLASTIC

SS411A-T2

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,HALL EFFECT

3.8/30

Other Sensors

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

TLE49655MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-5mA

2.8 mT

5.5 V

5 A

10.4 mT

2.5 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

PLASTIC

e3

DRV5013AGQLPGMQ1

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-30mA

-9 mT

38 V

30 A

AEC-Q100

BIPOLAR(LATCHED)

9 mT

12 mT

4 mm

1.52 inch

5.05 mm

2.7 V

125 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

2-WIRE INTERFACE

OPEN-DRAIN

3.5 mA

AEC-Q100, SHORT CIRCUIT PROTECTION, REVERSE SUPPLY PROTECTION

e3

DRV5032FADMRR

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

DIGITAL CURRENT

RECTANGULAR

-5.0-5.0mA

.5 mT

5.5 V

5 A

UNIPOLAR

4.8 mT

1.5 mT

1.4 mm

1.1 inch

.4 mm

1.65 V

85 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

OPEN-DRAIN

.0035 mA

COMPLEMENTARY

PLASTIC

e3

SS466A-L

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

DIGITAL CURRENT

RECTANGULAR

20mA

-18 mT

30 V

20 A

18 mT

4.1 mm

1.6 inch

3.8 V

150 Cel

-40 Cel

SOLDER

10 mA

PLASTIC

G-MRCO-001

TE Connectivity

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

ANALOG OUTPUT

5 V

150 Cel

-40 Cel

3 mA

TLE49632MXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-5mA

-7.3 mT

5.5 V

5 A

7.3 mT

10 mT

2.9 mm

1.3 inch

1 mm

3 V

TIN

SOLDER

2.5 mA

PLASTIC

e3

DRV5013ADQLPGMQ1

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

CURRENT OUTPUT

RECTANGULAR

0-30mA

-5 mT

38 V

30 A

AEC-Q100

BIPOLAR(LATCHED)

5 mT

5.4 mT

4 mm

1.52 inch

5.05 mm

2.7 V

125 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

2-WIRE INTERFACE

OPEN-DRAIN

3.5 mA

AEC-Q100, SHORT CIRCUIT PROTECTION, REVERSE SUPPLY PROTECTION

e3

TLE4953CBAMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

DIGITAL CURRENT

RECTANGULAR

-500 mT

20 V

26 A

500 mT

5.34 mm

1 inch

4.03 mm

4.5 V

TIN

SOLDER

2-WIRE INTERFACE

16.8 mA

CMOS COMPATIBLE

PLASTIC

e3

2SS52M-T3

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

THROUGH HOLE MOUNT

3

ANALOG CURRENT

RECTANGULAR

20mA

PLASTIC/EPOXY

.4 mT

20 A

2.5 mT

4.5 mm

1.6 inch

3.8/30

SINGLE-ENDED

SIP3,.03,50

Other Sensors

4.5 mm

150 Cel

-40 Cel

SOLDER

SINGLE-ENDED

11 mA

PLASTIC

A3212EUA-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

3

DIGITAL CURRENT

RECTANGULAR

1 mT

3.5 V

CMOS

AEC-Q100

5.5 mT

.59 mT

4.09 mm

1.52 inch

SIP3,.03,50

3.02 mm

2.5 V

85 Cel

-40 Cel

MATTE TIN

SOLDER

2 mA

SS552MT

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

SURFACE MOUNT

ANALOG CURRENT

RECTANGULAR

20mA

.4 mT

30 V

20 A

2.5 mT

4.39 mm

2.38 inch

1.37 mm

3.8 V

150 Cel

-40 Cel

SOLDER

3-WIRE INTERFACE

11 mA

PLASTIC

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

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.