SURFACE MOUNT Magnetic Field Sensors 208

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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)

PDRV5033FAQDBZR

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

DIGITAL VOLTAGE

RECTANGULAR

0-38V

-.5 mT

38 V

30 A

6 mT

1.5 mT

2.92 mm

1.3 inch

1.005 mm

2.5 V

125 Cel

-40 Cel

SOLDER

2-WIRE INTERFACE

3.6 mA

IT HAS SENSITIVITY 3.5 MT, SHORT CIRCUIT PROTECTION

PLASTIC

A1262ELHLT-X-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

VOLTAGE OUTPUT

RECTANGULAR

-4 mT

24 V

20 A

4 mT

3.4 mT

2.98 mm

1.91 inch

1 mm

4 V

85 Cel

-40 Cel

SOLDER

7.5 mA

AH373-SA-7

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

DIGITAL VOLTAGE

RECTANGULAR

PLASTIC/EPOXY

-6 mT

20 V

BIPOLAR

6 mT

6 mT

2.9 mm

1.3 inch

2.2/20

TO-236

Other Sensors/Transducers

1.05 mm

2.2 V

125 Cel

-40 Cel

MATTE TIN

SOLDER

PASSIVE PULL-UP

4 mA

NON-INVERTING

e3

A1223LLHLX-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

30-60mA

-18 mT

24 V

60 A

18 mT

30 mT

2.98 mm

1.91 inch

1 mm

3 V

150 Cel

-40 Cel

SOLDER

4 mA

AEC-Q100; ISO 26262 COMPLIANT; SHORT-CIRCUIT PROTECTION

A1222LLHLX-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

30-60mA

-15 mT

24 V

60 A

15 mT

22 mT

2.98 mm

1.91 inch

1 mm

3 V

150 Cel

-40 Cel

SOLDER

4 mA

AEC-Q100; ISO 26262 COMPLIANT; SHORT-CIRCUIT PROTECTION

MLX91208LDC-CAV-000-TU

Melexis N V

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

8

ANALOG CURRENT

RECTANGULAR

-2-2mA

PLASTIC/EPOXY

-60 mT

5.5 V

2 A

AEC-Q100

60 mT

.05 mT

4.89 mm

3.9 inch

1 ohm

SOP8,.25

1.64 mm

4.5 V

150 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

ANALOG

14 mA

IT HAS SENSITIVITY OF 40 MV/MT

e3

AH3377-W-7

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

30-55mA

7 mT

28 V

55 A

14 mT

2.5 mT

3 mm

1.6 inch

1.15 mm

3 V

125 Cel

-40 Cel

MATTE TIN

SOLDER

4 mA

e3

A1308LLHLX-3-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

ANALOG VOLTAGE

RECTANGULAR

5.5 V

BICMOS

2.98 mm

1.91 inch

3 ohm

TO-236

1 mm

4.5 V

150 Cel

-40 Cel

3.125 mV/G

SOLDER

11.5 mA

IT HAS SENSITIVITY OF 3.125 MILLIVOLT PER GAUSS

A1308LLHLX-5-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

ANALOG VOLTAGE

RECTANGULAR

5.5 V

BICMOS

2.98 mm

1.91 inch

3 ohm

TO-236

1 mm

4.5 V

150 Cel

-40 Cel

5 mV/G

SOLDER

11.5 mA

IT HAS SENSITIVITY OF 5 MILLIVOLT PER GAUSS

AK09915C

Asahi Kasei Microdevices

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

SQUARE

3.6 V

1.59 mm

1.59 inch

.57 mm

1.7 V

85 Cel

-30 Cel

SOLDER

I2C INTERFACE

4.7 mA

A1130LLHLT-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

PLASTIC/EPOXY

.5 mT

24 V

BICMOS

AEC-Q100

8 mT

2 mT

2.98 mm

1.91 inch

TO-236

1 mm

3 V

150 Cel

-40 Cel

MATTE TIN

SOLDER

2-WIRE INTERFACE

17 mA

AEC-Q100; ISO 26262 COMPLIANT

e3

AH374-SA-7

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

VOLTAGE OUTPUT

RECTANGULAR

-6 mT

20 V

6 mT

6 mT

2.9 mm

1.3 inch

1.025 mm

2.2 V

125 Cel

-40 Cel

MATTE TIN

SOLDER

4 mA

e3

AH374-W-7

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

VOLTAGE OUTPUT

RECTANGULAR

-6 mT

20 V

6 mT

6 mT

3 mm

1.6 inch

1.15 mm

2.2 V

125 Cel

-40 Cel

MATTE TIN

SOLDER

4 mA

e3

TLV4961-3M

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

85 Cel

-40 Cel

TIN

SOLDER

2.5 mA

AEC-Q100

PLASTIC

e3

TLV4961-1M

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

85 Cel

-40 Cel

TIN

SOLDER

2.5 mA

AEC-Q100

PLASTIC

e3

DRV5055A3QDBZR

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

ANALOG CURRENT

RECTANGULAR

-1-1mA

PLASTIC/EPOXY

3.63 V

1 A

BIPOLAR

2.92 mm

1.3 inch

1.12 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

DRV5055A3QDBZT

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

ANALOG CURRENT

RECTANGULAR

-1-1mA

PLASTIC/EPOXY

3.63 V

1 A

BIPOLAR

2.92 mm

1.3 inch

1.12 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

TLE49612MXTMA1

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

TLE49614MXTMA1

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

TLE49632MXTMA1

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

TLE49655MXTMA1

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

TLI49655MXTMA1

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

125 Cel

-40 Cel

TIN

SOLDER

2.5 mA

PLASTIC

e3

TLI49632MXTMA1

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

125 Cel

-40 Cel

TIN

SOLDER

2.5 mA

PLASTIC

e3

TLE493DA1B6HTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

DIGITAL VOLTAGE

RECTANGULAR

3.5 V

2.9 mm

1.6 inch

1.1 mm

2.9 V

125 Cel

-40 Cel

TIN

SOLDER

2-WIRE INTERFACE

3.3 mA

AEC-Q100; IT HAS SENSITIVITY OF 7.7 LSB12/MT

PLASTIC

e3

TLE4998C8DXUMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

DIGITAL CURRENT

RECTANGULAR

0-5mA

-50 mT

5.5 V

5 A

200 mT

5 mm

3.9 inch

1.2 mm

4.5 V

125 Cel

-40 Cel

TIN

SOLDER

8 mA

AEC-Q100; IT ALSO OPERATES AT EXTENDED RANGE 4.1 TO 16V SUPPLY VOLTAGE; IT HAS SENSITIVITY OF 245 LSB12/MT; SHORT-CIRCUIT PROTECTION

PLASTIC

e3

TLE4998C8XUMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

DIGITAL CURRENT

RECTANGULAR

0-5mA

-50 mT

5.5 V

5 A

200 mT

5 mm

3.9 inch

1.2 mm

4.5 V

125 Cel

-40 Cel

SOLDER

8 mA

AEC-Q100; IT ALSO OPERATES AT EXTENDED RANGE 4.1 TO 16V SUPPLY VOLTAGE; IT HAS SENSITIVITY OF 245 LSB12/MT; SHORT-CIRCUIT PROTECTION

PLASTIC

TLE4998P8DXUMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

DIGITAL CURRENT

RECTANGULAR

0-5mA

-50 mT

5.5 V

5 A

200 mT

5 mm

3.9 inch

1.2 mm

4.5 V

125 Cel

-40 Cel

TIN

SOLDER

8 mA

AEC-Q100; IT ALSO OPERATES AT EXTENDED RANGE 4.1 TO 16V SUPPLY VOLTAGE; IT HAS SENSITIVITY OF 1.2 PERCENT/MT; SHORT-CIRCUIT PROTECTION

PLASTIC

e3

TLE4998S8DXUMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

DIGITAL CURRENT

RECTANGULAR

0-5mA

-50 mT

5.5 V

5 A

200 mT

5 mm

3.9 inch

1.2 mm

4.5 V

125 Cel

-40 Cel

TIN

SOLDER

8 mA

AEC-Q100; IT ALSO OPERATES AT EXTENDED RANGE 4.1 TO 16V SUPPLY VOLTAGE; IT HAS SENSITIVITY OF 245 LSB12/MT; SHORT-CIRCUIT PROTECTION

PLASTIC

e3

TLV49611MXTMA1

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

TIN

SOLDER

2.5 mA

AEC-Q100; REVERSE POLARITY PROTECTION

PLASTIC

e3

TLV49613MXTMA1

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

TIN

SOLDER

2.5 mA

AEC-Q100; REVERSE POLARITY PROTECTION

PLASTIC

e3

MMC5883MA

Memsic

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

SURFACE MOUNT

DIGITAL VOLTAGE

SQUARE

0.36-1.44V

3.6 V

3 mm

3 inch

1 mm

2.16 V

85 Cel

-40 Cel

SOLDER

2-WIRE INTERFACE

.12 mA

IT HAVE SENSITIVITY OF PLUS OR MINUS 5 PERCENTAGE

TLE49462KHTMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

DIGITAL CURRENT

RECTANGULAR

0-20mA

-3.5 mT

18 V

20 A

3.5 mT

4 mT

3 mm

1.6 inch

1.2 mm

2.7 V

150 Cel

-40 Cel

SOLDER

6 mA

REVERSE BATTERY PROTECTION

MMC33160MT

Memsic

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

SURFACE MOUNT

DIGITAL VOLTAGE

SQUARE

3.6 V

2 mm

2 inch

1 mm

1.62 V

85 Cel

-40 Cel

SOLDER

2-WIRE INTERFACE

S-5718CCSH0-I4T1U

Ablic

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

4

VOLTAGE OUTPUT

RECTANGULAR

0.40-1.40V

.1 mT

3.6 V

3 mT

.7 mT

1.4 mm

1.2 inch

.48 mm

1.6 V

85 Cel

-40 Cel

TIN

SOLDER

.022 mA

IT HAVE SENSITIVITY OF 1.8 MT

e3

APS12200LLHALX

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

CURRENT OUTPUT

RECTANGULAR

-3.5 mT

24 V

3.5 mT

4 mT

2.98 mm

1.91 inch

1 mm

2.8 V

150 Cel

-40 Cel

SOLDER

3-WIRE INTERFACE

3 mA

AEC-Q100; ISO 26262; SHORT CIRCUIT PROTECTION

DRV5057A1QDBZR

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

DIGITAL CURRENT

RECTANGULAR

0-20mA

PLASTIC/EPOXY

3.63 V

20 A

2.92 mm

1.3 inch

1.12 mm

3 V

125 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

10 mA

IT HAS SENSITIVITY OF PLUS OR MINUS 21 MT; IT ALSO OPERATES AT 4.5 TO 5.5 V SUPPLY VOLTAGE

PLASTIC

e3

APS12450LLHALX-0SLA

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

VOLTAGE OUTPUT

RECTANGULAR

-4 mT

30 V

4 mT

4.5 mT

2.975 mm

1.91 inch

1 mm

3 V

150 Cel

-40 Cel

SOLDER

3-WIRE INTERFACE

4.5 mA

AEC-Q100

MLX92221LSE-AAA-001-RE

Melexis N V

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

PLASTIC/EPOXY

-7.4 mT

24 V

CMOS

16.3 mT

2.9 mm

1.6 inch

3.5/24

TO-236

Other Sensors/Transducers

.9 mm

2.7 V

150 Cel

-40 Cel

MATTE TIN

SOLDER

2-WIRE INTERFACE

17 mA

BODY HEIGHT_MAX, REVERSE POLARITY PROTECTION

PLASTIC

e3

RR121-1A53-311

Coto Technology

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

SURFACE MOUNT

DIGITAL VOLTAGE

RECTANGULAR

0.30-2.70V

.3 mT

3.6 V

1.2 mT

.4 mT

2.9 mm

1.6 inch

1.2 mm

2.7 V

125 Cel

-40 Cel

SOLDER

.0025 mA

RR121-1B93-312

Coto Technology

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

SURFACE MOUNT

DIGITAL VOLTAGE

SQUARE

0.30-2.70V

1.8 mT

3.6 V

3.8 mT

1 mT

1.4 mm

1.4 inch

.436 mm

2.7 V

125 Cel

-40 Cel

SOLDER

.036 mA

RR121-1B13-312

Coto Technology

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

SURFACE MOUNT

DIGITAL VOLTAGE

SQUARE

0.30-2.70V

1.8 mT

3.6 V

3.8 mT

.5 mT

1.4 mm

1.4 inch

.436 mm

2.7 V

125 Cel

-40 Cel

SOLDER

.0007 mA

DRV5055Z3QDBZT

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

ANALOG CURRENT

RECTANGULAR

-1-1mA

PLASTIC/EPOXY

5.5 V

1 A

2.92 mm

1.3 inch

TO-236

.95 mm

3 V

125 Cel

-40 Cel

MATTE TIN

SOLDER

10 mA

IT HAS SENSITIVITY OF 15 MV/MT

e3

DRV5056Z1QDBZT

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

ANALOG CURRENT

RECTANGULAR

-1-1mA

PLASTIC/EPOXY

5.5 V

1 A

UNIPOLAR

2.92 mm

1.3 inch

TO-236

.95 mm

3 V

125 Cel

-40 Cel

MATTE TIN

SOLDER

10 mA

IT HAS SENSITIVITY OF 120 MV/MT

e3

DRV5057Z4QDBZT

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

ANALOG VOLTAGE

RECTANGULAR

PLASTIC/EPOXY

5.5 V

2.92 mm

1.3 inch

TO-236

.95 mm

3 V

125 Cel

-40 Cel

MATTE TIN

SOLDER

OPEN-DRAIN

10 mA

e3

DRV5057Z3QDBZT

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

ANALOG VOLTAGE

RECTANGULAR

PLASTIC/EPOXY

5.5 V

2.92 mm

1.3 inch

TO-236

.95 mm

3 V

125 Cel

-40 Cel

MATTE TIN

SOLDER

OPEN-DRAIN

10 mA

e3

TMAG5124B1CQDBZT

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

PLASTIC/EPOXY

3 mT

38 V

UNIPOLAR

7 mT

2 mT

2.92 mm

1.3 inch

TO-236

.95 mm

2.5 V

125 Cel

-40 Cel

MATTE TIN

SOLDER

2-WIRE INTERFACE

17 mA

REVERSE POLARITY PROTECTION

e3

TMAG5124C1CQDBZT

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

PLASTIC/EPOXY

6.8 mT

38 V

UNIPOLAR

11 mT

2 mT

2.92 mm

1.3 inch

TO-236

.95 mm

2.5 V

125 Cel

-40 Cel

MATTE TIN

SOLDER

2-WIRE INTERFACE

17 mA

REVERSE POLARITY PROTECTION

e3

TMAG5124E1CQDBZT

Texas Instruments

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

PLASTIC/EPOXY

1 mT

38 V

UNIPOLAR

5 mT

2 mT

2.92 mm

1.3 inch

TO-236

.95 mm

2.5 V

125 Cel

-40 Cel

MATTE TIN

SOLDER

2-WIRE INTERFACE

17 mA

REVERSE POLARITY PROTECTION

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.