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Magnetic Speed Sensor ICs

Allegro MicroSystems Magnetic Speed Sensor ICs offer a comprehensive portfolio covering the full range of speed and speed with direction sensor ICs. These products include a two- and three-wire interface, a magnetic encoder (ring magnet) and gear tooth sensing, Hall and GMR technology, and ASIL-compliant options for transmission, wheel speed, engine, e-motors, and many more encoder and gear tooth sensing applications.

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Part #

Motor/Motion/Ignition Controllers & Drivers 8 INCH 3946

A3946KLPTR-T
Allegro MicroSystems
1: $3.23
12,522In Stock

Mfr. Part No.
A3946KLPTR-T

Mouser Part No
250-A3946KLPTR-T

Allegro MicroSystems

Motor/Motion/Ignition Controllers & Drivers 8 INCH 3946

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Datasheet

12,522In Stock

Cut Tape

$3.23

$2.67

$2.55

$2.40

View

Reel

$2.21

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Board Mount Motion & Position Sensors ROTARY ON & OFF-AXIS ANGLE SENSOR IC W/I2C, SPI, SENT OUT

A1335LLETR-T
Allegro MicroSystems
1: $4.78
9,962In Stock

Mfr. Part No.
A1335LLETR-T

Mouser Part No
250-A1335LLETR-T

Allegro MicroSystems

Board Mount Motion & Position Sensors ROTARY ON & OFF-AXIS ANGLE SENSOR IC W/I2C, SPI, SENT OUT

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Datasheet

9,962In Stock

Cut Tape

$4.78

$4.29

$4.11

$3.90

View

Reel

$2.98

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Board Mount Current Sensors For New Designs Use ACS772/3

ACS759LCB-050B-PFF-T
Allegro MicroSystems
1: $10.48
4,563In Stock

Mfr. Part No.
ACS759LCB-050B-PFF-T

Mouser Part No
250-759LCB050BPFFT

Allegro MicroSystems

Board Mount Current Sensors For New Designs Use ACS772/3

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Datasheet

4,563In Stock

$10.48

$9.49

$9.12

$8.54

View

Min.: 1
Mult.: 1

Board Mount Hall Effect/Magnetic Sensors GENERAL PURPOSE HALL EFFECT LATCH

A1221LLHLX-T
Allegro MicroSystems
1: $1.19
25,673In Stock

Mfr. Part No.
A1221LLHLX-T

Mouser Part No
250-A1221LLHLX-T

Allegro MicroSystems

Board Mount Hall Effect/Magnetic Sensors GENERAL PURPOSE HALL EFFECT LATCH

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Datasheet

25,673In Stock

Cut Tape

$1.19

$1.06

$0.939

$0.894

View

Reel

$0.575

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Switching Voltage Regulators CONSTANT ON TIME BUCK SWITCHING REGULATO

A4403GEUTR-T
Allegro MicroSystems
1: $2.04
30,327In Stock

Mfr. Part No.
A4403GEUTR-T

Mouser Part No
250-A4403GEUTR-T

Allegro MicroSystems

Switching Voltage Regulators CONSTANT ON TIME BUCK SWITCHING REGULATO

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Datasheet

30,327In Stock

Cut Tape

$2.04

$1.50

$1.35

$1.22

Reel

$1.02

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Board Mount Current Sensors HIGH PRECISION LINEAR HALL EFFECT

ACS72981LLRATR-100U5
Allegro MicroSystems
1: $6.07
7,103In Stock

Mfr. Part No.
ACS72981LLRATR-100U5

Mouser Part No
250-72981LLRATR100U5

Allegro MicroSystems

Board Mount Current Sensors HIGH PRECISION LINEAR HALL EFFECT

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Datasheet

7,103In Stock

Cut Tape

$6.07

$5.45

$5.23

$4.97

View

Reel

$3.56

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Board Mount Hall Effect/Magnetic Sensors 1D LINEAR HALL SENSOR, 5V,ANALOG OUT, SOT23W-3, 9MV/G, AUTO

A1309LLHLT-9-T
Allegro MicroSystems
1: $1.72
19,020In Stock

Mfr. Part No.
A1309LLHLT-9-T

Mouser Part No
250-A1309LLHLT-9-T

Allegro MicroSystems

Board Mount Hall Effect/Magnetic Sensors 1D LINEAR HALL SENSOR, 5V,ANALOG OUT, SOT23W-3, 9MV/G, AUTO

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Datasheet

19,020In Stock

Cut Tape

$1.72

$1.54

$1.37

$1.31

View

Reel

$0.84

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Motor/Motion/Ignition Controllers & Drivers MICROSTEP MOTOR DRIVER WITH TRANSLATOR AND OCP

A5976GLPTR-T
Allegro MicroSystems
1: $3.49
8,655In Stock

Mfr. Part No.
A5976GLPTR-T

Mouser Part No
250-A5976GLPTR-T

Allegro MicroSystems

Motor/Motion/Ignition Controllers & Drivers MICROSTEP MOTOR DRIVER WITH TRANSLATOR AND OCP

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Datasheet

8,655In Stock

Cut Tape

$3.49

$2.63

$2.41

$2.17

View

Reel

$1.72

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Board Mount Hall Effect/Magnetic Sensors HIGHEST ACCURACY PROGRAMMABLE LINEAR HALL EFFECT SENSOR IC WITH REVERSE BATTER PROTECTION

ACS70311LKTATN-2P5B5-C
Allegro MicroSystems
1: $6.23
9,743In Stock

Mfr. Part No.
ACS70311LKTATN-2P5B5-C

Mouser Part No
250-70311LKTATN2P5B5

Allegro MicroSystems

Board Mount Hall Effect/Magnetic Sensors HIGHEST ACCURACY PROGRAMMABLE LINEAR HALL EFFECT SENSOR IC WITH REVERSE BATTER PROTECTION

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Datasheet

9,743In Stock

Cut Tape

$6.23

$5.26

$4.88

$4.43

View

Reel

$3.36

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Board Mount Current Sensors NRND

ACS70331EOLCTR-005U3
Allegro MicroSystems
1: $2.87
12,584In Stock

Mfr. Part No.
ACS70331EOLCTR-005U3

Mouser Part No
250-70331EOLCTR005U3

Allegro MicroSystems

Board Mount Current Sensors NRND

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Datasheet

12,584In Stock

Cut Tape

$2.87

$2.56

$2.30

$2.21

View

Reel

$1.62

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Board Mount Hall Effect/Magnetic Sensors UNIPOLAR SWITCH

A1122LLHLT-T
Allegro MicroSystems
1: $1.40
41,119In Stock

Mfr. Part No.
A1122LLHLT-T

Mouser Part No
250-A1122LLHLT-T

Allegro MicroSystems

Board Mount Hall Effect/Magnetic Sensors UNIPOLAR SWITCH

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Datasheet

41,119In Stock

Cut Tape

$1.40

$1.28

$1.14

$1.10

View

Reel

$0.873

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Motor/Motion/Ignition Controllers & Drivers UMC VERSION OF 3981

A3981KLPTR-T
Allegro MicroSystems
1: $5.08
10,693In Stock

Mfr. Part No.
A3981KLPTR-T

Mouser Part No
250-A3981KLPTR-T

Allegro MicroSystems

Motor/Motion/Ignition Controllers & Drivers UMC VERSION OF 3981

Learn More

Datasheet

10,693In Stock

Cut Tape

$5.08

$3.87

$3.57

$3.23

View

Reel

$2.69

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Board Mount Current Sensors PROGRAMMABLE THERMALLY ENHANCED CURRENT SENSOR

ACS780LLRTR-050U-T
Allegro MicroSystems
1: $7.18
5,534In Stock

Mfr. Part No.
ACS780LLRTR-050U-T

Mouser Part No
250-780LLRTR050UT

Allegro MicroSystems

Board Mount Current Sensors PROGRAMMABLE THERMALLY ENHANCED CURRENT SENSOR

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Datasheet

5,534In Stock

Cut Tape

$7.18

$6.47

$6.21

$5.90

View

Reel

$4.27

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Board Mount Current Sensors PROGRAMMABLE THERMALLY ENHANCED CURRENT SENSOR

ACS781LLRTR-100U-T
Allegro MicroSystems
1: $7.18
12,227In Stock

Mfr. Part No.
ACS781LLRTR-100U-T

Mouser Part No
250-781LLRTR100UT

Allegro MicroSystems

Board Mount Current Sensors PROGRAMMABLE THERMALLY ENHANCED CURRENT SENSOR

Learn More

Datasheet

12,227In Stock

Cut Tape

$7.18

$6.47

$6.21

$5.90

View

Reel

$4.27

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Motor/Motion/Ignition Controllers & Drivers DMOS DUAL FULL-BRIDGE PWM MOTOR DRIVER

A4954ELPTR-T
Allegro MicroSystems
1: $3.47
9,031In Stock

Mfr. Part No.
A4954ELPTR-T

Mouser Part No
250-A4954ELPTR-T

Allegro MicroSystems

Motor/Motion/Ignition Controllers & Drivers DMOS DUAL FULL-BRIDGE PWM MOTOR DRIVER

Learn More

Datasheet

9,031In Stock

Cut Tape

$3.47

$2.61

$2.40

$2.16

View

Reel

$1.83

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Gate Drivers BRUSHED DC GATE DRIVER

A4955GESTR-T
Allegro MicroSystems
1: $1.71
28,695In Stock

Mfr. Part No.
A4955GESTR-T

Mouser Part No
250-A4955GESTR-T

Allegro MicroSystems

Gate Drivers BRUSHED DC GATE DRIVER

Learn More

Datasheet

28,695In Stock

Cut Tape

$1.71

$1.26

$1.14

$1.02

Reel

$0.848

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Motor/Motion/Ignition Controllers & Drivers COMMERCIAL VERSION OF 3930

AMT49413GEVATR
Allegro MicroSystems
1: $4.90
22,155In Stock

Mfr. Part No.
AMT49413GEVATR

Mouser Part No
250-AMT49413GEVATR

Allegro MicroSystems

Motor/Motion/Ignition Controllers & Drivers COMMERCIAL VERSION OF 3930

Learn More

Datasheet

22,155In Stock

Cut Tape

$4.90

$3.73

$3.43

$3.11

Reel

$2.78

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Board Mount Current Sensors DIFFERENTIAL HALL INTEGRATED CURRENT SENSOR

ACS725LLCTR-30AU-T
Allegro MicroSystems
1: $4.27
8,493In Stock

Mfr. Part No.
ACS725LLCTR-30AU-T

Mouser Part No
250-725LLCTR30AUT

Allegro MicroSystems

Board Mount Current Sensors DIFFERENTIAL HALL INTEGRATED CURRENT SENSOR

Learn More

Datasheet

8,493In Stock

Cut Tape

$4.27

$3.83

$3.66

$3.47

View

Reel

$2.52

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Board Mount Current Sensors HIGH PRECISION LINEAR HALL EFFECT

ACS72981KLRATR-150B3
Allegro MicroSystems
1: $5.36
8,923In Stock

Mfr. Part No.
ACS72981KLRATR-150B3

Mouser Part No
250-72981KLRATR150B3

Allegro MicroSystems

Board Mount Current Sensors HIGH PRECISION LINEAR HALL EFFECT

Learn More

Datasheet

8,923In Stock

Cut Tape

$5.36

$4.81

$4.61

$4.36

View

Reel

$3.06

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Motor/Motion/Ignition Controllers & Drivers 8 INCH 3921

A3921KLPTR-T
Allegro MicroSystems
1: $4.52
19,602In Stock

Mfr. Part No.
A3921KLPTR-T

Mouser Part No
250-A3921KLPTR-T

Allegro MicroSystems

Motor/Motion/Ignition Controllers & Drivers 8 INCH 3921

Learn More

Datasheet

19,602In Stock

Cut Tape

$4.52

$3.43

$3.16

$2.87

View

Reel

$2.30

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Gate Drivers BRUSHED DC GATE DRIVER

A4955GLPTR-T
Allegro MicroSystems
1: $1.97
22,928In Stock

Mfr. Part No.
A4955GLPTR-T

Mouser Part No
250-A4955GLPTR-T

Allegro MicroSystems

Gate Drivers BRUSHED DC GATE DRIVER

Learn More

Datasheet

22,928In Stock

Cut Tape

$1.97

$1.45

$1.33

$1.17

View

Reel

$0.904

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Board Mount Current Sensors INDUSTRIAL ONLY CURRENT SENSOR IC WITH VREF AND FAULT OUTPUT

ACS37003KMCATR-120B3
Allegro MicroSystems
1: $6.90
4,330In Stock

Mfr. Part No.
ACS37003KMCATR-120B3

Mouser Part No
250-03KMCATR-120B3

Allegro MicroSystems

Board Mount Current Sensors INDUSTRIAL ONLY CURRENT SENSOR IC WITH VREF AND FAULT OUTPUT

Learn More

Datasheet

4,330In Stock

Cut Tape

$6.90

$6.20

$5.95

$5.65

Reel

$4.55

View

MouseReel Available

Min.: 1
Mult.: 1

: 800

Board Mount Current Sensors For New Designs Use ACS725KMA or ACS37002

ACS717KMATR-10B-T
Allegro MicroSystems
1: $6.69
5,382In Stock

Mfr. Part No.
ACS717KMATR-10B-T

Mouser Part No
250-717KMATR10BT

Allegro MicroSystems

Board Mount Current Sensors For New Designs Use ACS725KMA or ACS37002

Learn More

Datasheet

5,382In Stock

Cut Tape

$6.69

$6.04

$5.78

$5.49

Reel

$4.34

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Board Mount Current Sensors CURRENT SENSOR

ACS724LMATR-20AB-T
Allegro MicroSystems
1: $6.13
8,355In Stock

Mfr. Part No.
ACS724LMATR-20AB-T

Mouser Part No
250-724LMATR20ABT

Allegro MicroSystems

Board Mount Current Sensors CURRENT SENSOR

Learn More

Datasheet

8,355In Stock

Cut Tape

$6.13

$5.52

$5.29

$5.01

Reel

$3.61

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Board Mount Current Sensors For New Designs Use ACS772/3

ACS758ECB-200B-PFF-T
Allegro MicroSystems
1: $10.19
18,830In Stock

Mfr. Part No.
ACS758ECB-200B-PFF-T

Mouser Part No
250-758ECB200BPFFT

Allegro MicroSystems

Board Mount Current Sensors For New Designs Use ACS772/3

Learn More

Datasheet

18,830In Stock

$10.19

$9.27

$8.47

$7.95

View

Min.: 1
Mult.: 1

Magnetic Speed Sensor ICs

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Magnetic Speed Sensor ICs

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