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)

ATS276H-PG-B-A

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

4

VOLTAGE OUTPUT

RECTANGULAR

-5 mT

20 V

5 mT

7.5 mT

5.22 mm

1.55 inch

4/20

SIP4,.03,50

Other Sensors/Transducers

3.65 mm

3.5 V

85 Cel

-20 Cel

MATTE TIN

SOLDER

OPEN-COLLECTOR

25 mA

COMPLEMENTARY

PLASTIC

e3

ATS276H-PG-B-B

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

4

VOLTAGE OUTPUT

RECTANGULAR

-7 mT

20 V

7 mT

7.5 mT

5.22 mm

1.55 inch

4/20

SIP4,.03,50

Other Sensors/Transducers

3.65 mm

3.5 V

85 Cel

-20 Cel

MATTE TIN

SOLDER

OPEN-COLLECTOR

25 mA

COMPLEMENTARY

PLASTIC

e3

AH180-PG-A-S

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

ANALOG VOLTAGE

RECTANGULAR

0.30V

2 mT

5.5 V

6 mT

1.5 mT

4.1 mm

1.5 inch

3 mm

2.5 V

85 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

9 mA

BATTERY OPERATION

e3

AH180-PG-B-S

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

ANALOG VOLTAGE

RECTANGULAR

0.30V

2 mT

5.5 V

6 mT

1.5 mT

4.1 mm

1.5 inch

3 mm

2.5 V

85 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

9 mA

BATTERY OPERATION

e3

58424LV

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

DIGITAL VOLTAGE

CYLINDRICAL

350mV

30 V

10 V

107 Cel

-40 Cel

CONNECTOR

SHIELDED

STAINLESS STEEL

58426HVA30

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

DIGITAL VOLTAGE

CYLINDRICAL

350mV

30 V

10 V

107 Cel

-40 Cel

CONNECTOR

STAINLESS STEEL

58426HV

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

DIGITAL VOLTAGE

CYLINDRICAL

350mV

30 V

10 V

107 Cel

-40 Cel

CONNECTOR

STAINLESS STEEL

58426LV

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

DIGITAL VOLTAGE

CYLINDRICAL

350mV

30 V

10 V

107 Cel

-40 Cel

CONNECTOR

STAINLESS STEEL

GTN1A211

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,HALL EFFECT

DIGITAL CURRENT

CYLINDRICAL

32 V

4.5 V

125 Cel

-40 Cel

Matte Tin (Sn)

CONNECTOR

40 mA

IP67, IP68, IP69K, REVERSE POLARITY PROTECTION

e3

HMC6343

Honeywell

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

SURFACE MOUNT

36

DIGITAL VOLTAGE

SQUARE

PLASTIC/EPOXY

-.15 mT

3.6 V

.15 mT

9 mm

9 inch

3.3

LCC36,.35SQ,32

1

Other Sensors

1.87 mm

2.7 V

85 Cel

-40 Cel

Tin/Silver/Copper (Sn/Ag/Cu)

SOLDER

I2C INTERFACE

DIFFERENTIAL

20 mA

e1

SNDH-T4C-G01

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,HALL EFFECT

FLANGE MOUNT

DIGITAL OUTPUT

CYLINDRICAL

18 V

20 A

15 mm

45.5 mm

4.5 V

150 Cel

-40 Cel

CONNECTOR

4-WIRE INTERFACE

OPEN-COLLECTOR

18 mA

SHORT CIRCUIT PROTECTION

SNDH-T4P-G01

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,HALL EFFECT

FLANGE MOUNT

DIGITAL OUTPUT

CYLINDRICAL

18 V

20 A

15 mm

45.5 mm

4.5 V

150 Cel

-40 Cel

CONNECTOR

4-WIRE INTERFACE

OPEN-COLLECTOR

18 mA

SHORT CIRCUIT PROTECTION

SNDH-T4P-G02

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,HALL EFFECT

FLANGE MOUNT

DIGITAL OUTPUT

CYLINDRICAL

18 V

20 A

15 mm

45.5 mm

4.5 V

150 Cel

-40 Cel

CONNECTOR

4-WIRE INTERFACE

OPEN-COLLECTOR

18 mA

SHORT CIRCUIT PROTECTION

SS461C

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

DIGITAL CURRENT

RECTANGULAR

20mA

-9.5 mT

24 V

20 A

9.5 mT

4.1 mm

1.6 inch

3 mm

4 V

125 Cel

-40 Cel

TERMINALS

6 mA

DUAL OUTPUT, REVERSE POLARITY PROTECTION

AH1891-CA4-7

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

4

VOLTAGE OUTPUT

SQUARE

PLASTIC/EPOXY

-6 mT

3.3 V

BIPOLAR

6 mT

.15 mT

.8 mm

.8 inch

1.8/3.3

BGA4,2X2,16

Other Sensors

.506 mm

1.8 V

85 Cel

-40 Cel

TIN SILVER COPPER

.012 mA

COMPLEMENTARY

e1

A1244LLHLX-I1-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

ANALOG CURRENT

RECTANGULAR

PLASTIC/EPOXY

-8 mT

24 V

BICMOS

UNIPOLAR

8 mT

11 mT

2.98 mm

1.91 inch

3/24

TO-236

Other Sensors/Transducers

1 mm

3 V

150 Cel

-40 Cel

MATTE TIN

SOLDER

2-WIRE INTERFACE

6.9 mA

e3

AH180N-WSG-7

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

DIGITAL VOLTAGE

RECTANGULAR

0.30V

PLASTIC/EPOXY

1 mT

5.5 V

5 mT

1 mT

2.9 mm

1.6 inch

3

TO-236

Other Sensors/Transducers

.73 mm

2.5 V

85 Cel

-40 Cel

MATTE TIN

SOLDER

OPEN-DRAIN

.04 mA

NON-INVERTING

e3

A1192LLHLT-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

ANALOG CURRENT

RECTANGULAR

PLASTIC/EPOXY

1 mT

24 V

BICMOS

UNIPOLAR

20 mT

3 mT

2.98 mm

1.91 inch

3/24

TO-236

Other Sensors/Transducers

1 mm

3 V

150 Cel

-40 Cel

MATTE TIN

SOLDER

2-WIRE INTERFACE

6.9 mA

e3

A1192LUA-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

3

ANALOG CURRENT

RECTANGULAR

PLASTIC/EPOXY

1 mT

24 V

BICMOS

UNIPOLAR

20 mT

3 mT

4.09 mm

1.52 inch

3/24

SIP3,.03,50

Other Sensors/Transducers

4.12 mm

3 V

150 Cel

-40 Cel

MATTE TIN

SOLDER

2-WIRE INTERFACE

6.9 mA

e3

A1193LUA-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

3

ANALOG CURRENT

RECTANGULAR

PLASTIC/EPOXY

1 mT

24 V

BICMOS

UNIPOLAR

20 mT

3 mT

4.09 mm

1.52 inch

3/24

SIP3,.03,50

Other Sensors/Transducers

4.12 mm

3 V

150 Cel

-40 Cel

MATTE TIN

SOLDER

2-WIRE INTERFACE

6.9 mA

e3

HMC5883L-TR

Honeywell

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

SURFACE MOUNT

SQUARE

-.8 mT

3.6 V

.8 mT

3 mm

3 inch

0.1

.9 mm

2.16 V

85 Cel

-30 Cel

SOLDER

I2C INTERFACE

HMC5843-TR

Honeywell

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

SURFACE MOUNT

20

SQUARE

PLASTIC/EPOXY

.07 mT

3.3 V

.4 mT

4 mm

4 inch

1.8,2.5/3.3

LCC20,.16SQ,20

1

Other Sensors

0.1

1.33 mm

2.5 V

85 Cel

-30 Cel

SOLDER

I2C INTERFACE

.24 mA

SENSITIVITY IS 0.2 PERSENTAGE FS/GAUSS, ITS ALSO OPRATES IN 1.6-2.0V SUPPLY VOLTAGE

AH1804-FA-7

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

4

DIGITAL VOLTAGE

RECTANGULAR

0.20-3.10V

PLASTIC/EPOXY

1.5 mT

3.6 V

OMNIPOLAR

6 mT

.8 mT

1.65 mm

1.25 inch

3.3

SOLCC4,.06,25

Other Sensors

.48 mm

2.5 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

SOLDER

4 mA

e4

AH1883-FJG-7

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

SQUARE

0.20-1.60V

PLASTIC/EPOXY

.6 mT

3.3 V

5.5 mT

.8 mT

2 mm

2 inch

1.8/3

SOLCC3/6,.09,20

Other Sensors/Transducers

.6 mm

1.65 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

SOLDER

OPEN-DRAIN

4 mA

COMPLEMENTARY

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

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

US1881KUA-AAA-000-BU

Melexis N V

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

3

VOLTAGE OUTPUT

RECTANGULAR

PLASTIC/EPOXY

-9.5 mT

24 V

CMOS

9.5 mT

12 mT

4.1 mm

1.5 inch

OPEN-DRAIN

SIP3,.1,50

4.65 mm

3.5 V

125 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

OPEN-DRAIN

5 mA

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

MLX90242ESE-GAA-000-RE

Melexis N V

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

DIGITAL CURRENT

RECTANGULAR

-1.0-0.1mA

5.5 V

.1 A

2.9 mm

1.6 inch

20 ohm

1.1 mm

4.5 V

85 Cel

-40 Cel

MATTE TIN

SOLDER

4.5 mA

RATIOMETRIC OUTPUT

PLASTIC

e3

MLX90363LDC-ABB-000-RE

Melexis N V

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

8

DIGITAL VOLTAGE

RECTANGULAR

0.4-2.9V

20 mT

3.45 V

CMOS

TS 16949

70 mT

4.89 mm

3.9 inch

SOP8,.25

1.47 mm

3.15 V

150 Cel

-40 Cel

SOLDER

SPI

18 mA

IT ALSO REQUIRES 5V NOMINAL SUPPLY VOLTAGE

PLASTIC

MLX90251EVA-FAA-200-BU

Melexis N V

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

ANALOG VOLTAGE

RECTANGULAR

5.5 V

1.25 A

5.16 mm

1.15 inch

4.5 V

85 Cel

-40 Cel

Matte Tin (Sn)

SOLDER

9 mA

OVER VOLTAGE DETECTION, ANALOG RATIOMETRIC OUTPUT VOLTAGE

PLASTIC

e3

SS495B

Honeywell Sensing And Control

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

3

ANALOG CURRENT

RECTANGULAR

-67 mT

10.5 V

67 mT

4.06 mm

1.57 inch

TRANSISTOR

SIP3,.1,50

1.5

3 mm

4.5 V

150 Cel

-40 Cel

3.125 mV/G

PIN

OPEN-COLLECTOR

8.7 mA

HMC5883L-T

Honeywell

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

SURFACE MOUNT

SQUARE

-.8 mT

3.6 V

.8 mT

3 mm

3 inch

0.1

.9 mm

2.16 V

85 Cel

-30 Cel

SOLDER

I2C INTERFACE

IT HAS A SENSITIVITY OF 1370 LSB/GAUSS, IT HAS A RESOLUTION OF 0.000435 MT

A1318LLHLX-2-T

Allegro MicroSystems

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

ANALOG VOLTAGE

RECTANGULAR

PLASTIC/EPOXY

3.63 V

BICMOS

2.98 mm

1.91 inch

3.3

SINGLE-ENDED

1 ohm

TO-236

Other Sensors/Transducers

1 mm

3 V

150 Cel

-40 Cel

2.388 mV/G

MATTE TIN

SOLDER

10 mA

IT HAS A SENSITIVITY IS 2.5 MV/G

e3

AH373-PG-A

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

DIGITAL VOLTAGE

RECTANGULAR

400mV

PLASTIC/EPOXY

-6 mT

20 V

6 mT

6 mT

4.1 mm

2.23 inch

2.2/20

SIP3,.03,50

Other Sensors/Transducers

2.2 V

125 Cel

-40 Cel

MATTE TIN

SOLDER

PASSIVE PULL-UP

4 mA

e3

AH373-PG-B

Diodes Incorporated

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

DIGITAL VOLTAGE

RECTANGULAR

400mV

PLASTIC/EPOXY

-6 mT

20 V

6 mT

6 mT

4.1 mm

1.5 inch

2.2/20

SIP3,.03,50

Other Sensors/Transducers

2.2 V

125 Cel

-40 Cel

MATTE TIN

SOLDER

PASSIVE PULL-UP

4 mA

e3

TLE4941HALA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

DIGITAL CURRENT

RECTANGULAR

-20 mT

26 A

20 mT

5.34 mm

1 inch

3.71 mm

SOLDER

2-WIRE INTERFACE

8.4 mA

PLASTIC

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

TLE4923HALA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

DIGITAL OUTPUT

RECTANGULAR

2 mT

18 V

2 mT

1.5 mT

5.16 mm

1 inch

3.71 mm

4.5 V

8.5 mV/G

MATTE TIN

SOLDER

2-WIRE INTERFACE

13.6 mA

REVERSE POLARITY PROTECTION

PLASTIC

e3

TLE4998S3XALA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

ANALOG CURRENT

SQUARE

18V

50 mT

5 V

5 A

200 mT

.005 mT

4.06 mm

1.5 inch

1000 ohm

0.1

4.05 mm

4.1 V

150 Cel

-40 Cel

TIN

SOLDER

8 mA

OPEN DRAIN OUTPUT, REVERSE POLARITY PROTECTION, SHORT CIRCUIT PROTECTION

PLASTIC

e3

TLE4998S3CHAMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

ANALOG CURRENT

50 mT

5 V

5 A

200 mT

1000 ohm

4.1 V

150 Cel

-40 Cel

TIN

8 mA

OPEN DRAIN OUTPUT, REVERSE POLARITY PROTECTION, SHORT CIRCUIT 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

TLE5011FUMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,MAGNETORESISTIVE

SURFACE MOUNT

DIGITAL VOLTAGE

RECTANGULAR

0.40-0.70V

30 mT

5.5 V

-10 A

70 mT

30 mT

5 mm

4 inch

1.75 mm

4.5 V

TIN

SOLDER

SSC INTERFACE

20 mA

CMOS COMPATIBLE

PLASTIC

e3

TLE4941CBAMA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

THROUGH HOLE MOUNT

DIGITAL CURRENT

RECTANGULAR

PLASTIC/EPOXY

-20 mT

22 A

BICMOS

20 mT

5.34 mm

1 inch

4.5/20

DIFFERENTIAL

SIP(UNSPEC)

Other Sensors/Transducers

3.71 mm

TIN

SOLDER

2-WIRE INTERFACE

DIFFERENTIAL

8.4 mA

PLASTIC

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

TLE49615KXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

CURRENT OUTPUT

RECTANGULAR

0-25mA

PLASTIC/EPOXY

-19.8 mT

32 V

25 A

AEC-Q100

BIPOLAR(LATCHED)

19.8 mT

30 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

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

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

TLV49761KXTSA1

Infineon Technologies

MAGNETIC FIELD SENSOR,HALL EFFECT

SURFACE MOUNT

3

DIGITAL OUTPUT

RECTANGULAR

PLASTIC/EPOXY

5 mT

18 V

UNIPOLAR

11 mT

2 mT

3 mm

1.6 inch

3/18

TO-236

Other Sensors/Transducers

1.2 mm

3 V

85 Cel

-40 Cel

TIN

SOLDER

2-WIRE INTERFACE

OPEN-COLLECTOR

17 mA

NON-INVERTING

REVERSE BATTERY 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.