Board Mount Hall Effect / Magnetic Sensors

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A1220/A1221/A1222/A1223 Hall-Effect Sensor ICs

Allegro MicroSystems A1220/A1221/A1222/A1223 Hall-Effect Sensor ICs are stress-resistant and temperature-stable devices designed for operation over extended temperature ranges up to 150°C. These sensor ICs feature superior high-temperature performance achieved by dynamic offset cancellation that reduces the residual offset voltage caused by device overmolding, temperature dependencies, and thermal stress. The Hall-effect sensor ICs come with an onboard regulator that allows operation with supply voltages of 3V to 24V. Operating down to 3V enables the device to be used in 3V applications or with additional external resistance in series with the supply pin for more excellent protection against high-voltage transient events. Typical applications include power closures/actuators, electronic power steering, BLDC motors, and fan motors.

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Part #

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

A1221LLHLX-T
Allegro MicroSystems
1: $1.71
31,107In Stock

Mfr. Part #
A1221LLHLX-T

Mouser Part #
250-A1221LLHLX-T

Allegro MicroSystems

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

Learn More

Datasheet

31,107In Stock

Cut Tape

$1.71

$1.53

$1.35

$1.29

View

Reel

$0.929

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

4 mA

25 mA

15 G to 90 G

- 90 G to - 15 G

3.8 V to 24 V

- 40 C

+ 150 C

SMD/SMT

ZLH-3

A1220-1-2-3

Reel, Cut Tape, MouseReel

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

A1220LLHLX-T
Allegro MicroSystems
1: $1.71
57,246In Stock

Mfr. Part #
A1220LLHLX-T

Mouser Part #
250-A1220LLHLX-T

Allegro MicroSystems

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

Learn More

Datasheet

57,246In Stock

Cut Tape

$1.71

$1.53

$1.33

$1.21

View

Reel

$0.894

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

4 mA

25 mA

5 G to 40 G

- 40 G to - 5 G

3.8 V to 24 V

- 40 C

+ 150 C

SMD/SMT

ZLH-3

A1220-1-2-3

Reel, Cut Tape, MouseReel

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

A1222LUA-T
Allegro MicroSystems
1: $2.13
7,360In Stock

Mfr. Part #
A1222LUA-T

Mouser Part #
250-A1222LUA-T

Allegro MicroSystems

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

Learn More

Datasheet

7,360In Stock

$2.13

$1.89

$1.68

$1.61

View

Min.: 1
Mult.: 1

Precision

4 mA

25 mA

70 G to 150 G

- 150 G to - 70 G

3 V to 24 V

- 40 C

+ 150 C

Through Hole

SIP-3

A1220-1-2-3

Bulk

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

A1221LLHLT-T
Allegro MicroSystems
1: $1.81
7,990In Stock

Mfr. Part #
A1221LLHLT-T

Mouser Part #
250-A1221LLHLT-T

Allegro MicroSystems

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

Learn More

Datasheet

7,990In Stock

Cut Tape

$1.81

$1.60

$1.38

$1.22

View

Reel

$0.861

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Precision

4 mA

25 mA

15 G to 90 G

- 90 G to - 15 G

3 V to 24 V

- 40 C

+ 150 C

SMD/SMT

SOT-23-3

A1220-1-2-3

Reel, Cut Tape, MouseReel

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

A1223ELHLT-T
Allegro MicroSystems
1: $1.56
5,602In Stock

Mfr. Part #
A1223ELHLT-T

Mouser Part #
250-A1223ELHLT-T

Allegro MicroSystems

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

Learn More

Datasheet

5,602In Stock

Cut Tape

$1.56

$1.37

$1.21

$1.16

View

Reel

$0.851

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ZLH-3

A1220-1-2-3

Reel, Cut Tape, MouseReel

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

A1222LLHLT-T
Allegro MicroSystems
1: $1.92
1,862In Stock

Mfr. Part #
A1222LLHLT-T

Mouser Part #
250-A1222LLHLT-T

Allegro MicroSystems

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

Learn More

Datasheet

1,862In Stock

Cut Tape

$1.92

$1.70

$1.51

$1.45

View

Reel

$1.08

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

4 mA

25 mA

70 G to 150 G

- 150 G to - 70 G

3.8 V to 24 V

- 40 C

+ 150 C

SMD/SMT

ZLH-3

A1220-1-2-3

Reel, Cut Tape, MouseReel

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

A1221LUA-T
Allegro MicroSystems
1: $1.99
1,786In Stock

Mfr. Part #
A1221LUA-T

Mouser Part #
250-A1221LUA-T

Allegro MicroSystems

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

Learn More

Datasheet

1,786In Stock

$1.99

$1.76

$1.57

$1.50

View

Min.: 1
Mult.: 1

Precision

4 mA

25 mA

15 G to 90 G

- 90 G to - 15 G

3 V to 24 V

- 40 C

+ 150 C

Through Hole

SIP-3

A1220-1-2-3

Bulk

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

A1220LUA-T
Allegro MicroSystems
1: $1.89
32,675In Stock

Mfr. Part #
A1220LUA-T

Mouser Part #
250-A1220LUA-T

Allegro MicroSystems

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

Learn More

Datasheet

32,675In Stock

$1.89

$1.67

$1.50

$1.42

View

Min.: 1
Mult.: 1

Precision

4 mA

25 mA

5 G to 40 G

- 40 G to - 5 G

3 V to 24 V

- 40 C

+ 150 C

Through Hole

SIP-3

A1220-1-2-3

Bulk

Board Mount Hall Effect / Magnetic Sensors CHOPPER STABILIZED HALL SWITCH

A1220ELHLT-T
Allegro MicroSystems
1: $1.56
8,965In Stock

Mfr. Part #
A1220ELHLT-T

Mouser Part #
250-A1220ELHLT-T

Allegro MicroSystems

Board Mount Hall Effect / Magnetic Sensors CHOPPER STABILIZED HALL SWITCH

Learn More

Datasheet

8,965In Stock

Cut Tape

$1.56

$1.37

$1.21

$1.16

View

Reel

$0.864

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Precision

4 mA

25 mA

5 G to 40 G

- 40 G to - 5 G

3 V to 24 V

- 40 C

+ 85 C

SMD/SMT

SOT-23-3

A1220-1-2-3

Reel, Cut Tape, MouseReel

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

A1220LLHLT-T
Allegro MicroSystems
1: $1.81
18,308In Stock

Mfr. Part #
A1220LLHLT-T

Mouser Part #
250-A1220LLHLT-T

Allegro MicroSystems

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

Learn More

Datasheet

18,308In Stock

Cut Tape

$1.81

$1.60

$1.42

$1.34

View

Reel

$1.01

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Precision

4 mA

25 mA

5 G to 40 G

- 40 G to - 5 G

3 V to 24 V

- 40 C

+ 150 C

SMD/SMT

SOT-23-3

A1220-1-2-3

Reel, Cut Tape, MouseReel

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

A1221ELHLT-T
Allegro MicroSystems
1: $1.56
18,770In Stock

Mfr. Part #
A1221ELHLT-T

Mouser Part #
250-A1221ELHLT-T

Allegro MicroSystems

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

Learn More

Datasheet

18,770In Stock

Cut Tape

$1.56

$1.37

$1.21

$1.16

View

Reel

$0.864

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Precision

4 mA

25 mA

15 G to 90 G

- 90 G to - 15 G

3 V to 24 V

- 40 C

+ 85 C

SMD/SMT

SOT-23-3

A1220-1-2-3

Reel, Cut Tape, MouseReel

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

A1220EUA-T
Allegro MicroSystems
1: $1.73
1,382In Stock
8,000Expected 2026-06-25

Mfr. Part #
A1220EUA-T

Mouser Part #
250-A1220EUA-T

Allegro MicroSystems

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

Learn More

Datasheet

1,382In Stock

8,000Expected 2026-06-25

$1.73

$1.53

$1.36

$1.30

View

Min.: 1
Mult.: 1

Precision

4 mA

25 mA

5 G to 40 G

- 40 G to - 5 G

3 V to 24 V

- 40 C

+ 85 C

Through Hole

SIP-3

A1220-1-2-3

Bulk

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

A1223LUA-T
Allegro MicroSystems
1: $1.99
558In Stock

Mfr. Part #
A1223LUA-T

Mouser Part #
250-A1223LUA-T

Allegro MicroSystems

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

Learn More

Datasheet

558In Stock

$1.99

$1.76

$1.57

$1.50

View

Min.: 1
Mult.: 1

4 mA

25 mA

100 G to 130 G

- 180 G to - 100 G

3.8 V to 24 V

- 40 C

+ 150 C

Through Hole

UAG-3

A1220-1-2-3

Bulk

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

A1223LLHLT-T
Allegro MicroSystems
18,000: $0.985
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
A1223LLHLT-T

Mouser Part #
250-A1223LLHLT-T

Allegro MicroSystems

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Cut Tape

$0.985

MouseReel Available

Min.: 18,000
Mult.: 18,000

: 3,000

ZLH-3

A1220-1-2-3

Reel

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

A1223LLHLX-T
Allegro MicroSystems
30,000: $0.929
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
A1223LLHLX-T

Mouser Part #
250-A1223LLHLX-T

Allegro MicroSystems

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Cut Tape

$0.929

MouseReel Available

Min.: 30,000
Mult.: 30,000

: 10,000

ZLH-3

A1220-1-2-3

Reel

Board Mount Hall Effect / Magnetic Sensors CHOPPER STABILIZED HALL SWITCH

A1220ELHLX-T
Allegro MicroSystems
30,000: $0.88
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
A1220ELHLX-T

Mouser Part #
250-A1220ELHLX-T

Allegro MicroSystems

Board Mount Hall Effect / Magnetic Sensors CHOPPER STABILIZED HALL SWITCH

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Cut Tape

$0.88

MouseReel Available

Min.: 30,000
Mult.: 30,000

: 10,000

ZLH-3

A1220-1-2-3

Reel

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

A1221ELHLX-T
Allegro MicroSystems
30,000: $0.793
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
A1221ELHLX-T

Mouser Part #
250-A1221ELHLX-T

Allegro MicroSystems

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

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

$0.793

MouseReel Available

Min.: 30,000
Mult.: 30,000

: 10,000

ZLH-3

A1220-1-2-3

Reel

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

A1221EUA-T
Allegro MicroSystems
8,000: $0.953
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
A1221EUA-T

Mouser Part #
250-A1221EUA-T

Allegro MicroSystems

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

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

$0.953

Min.: 8,000
Mult.: 8,000

HUA-3

A1220-1-2-3

Bulk

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

A1222ELHLT-T
Allegro MicroSystems
18,000: $0.916
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
A1222ELHLT-T

Mouser Part #
250-A1222ELHLT-T

Allegro MicroSystems

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

$0.916

MouseReel Available

Min.: 18,000
Mult.: 18,000

: 3,000

ZLH-3

A1220-1-2-3

Reel

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

A1222ELHLX-T
Allegro MicroSystems
30,000: $0.888
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
A1222ELHLX-T

Mouser Part #
250-A1222ELHLX-T

Allegro MicroSystems

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

$0.888

MouseReel Available

Min.: 30,000
Mult.: 30,000

: 10,000

ZLH-3

A1220-1-2-3

Reel

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

A1222LLHLX-T
Allegro MicroSystems
30,000: $0.999
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
A1222LLHLX-T

Mouser Part #
250-A1222LLHLX-T

Allegro MicroSystems

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

$0.999

MouseReel Available

Min.: 30,000
Mult.: 30,000

: 10,000

ZLH-3

A1220-1-2-3

Reel

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

A1223ELHLX-T
Allegro MicroSystems
30,000: $0.793
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
A1223ELHLX-T

Mouser Part #
250-A1223ELHLX-T

Allegro MicroSystems

Board Mount Hall Effect / Magnetic Sensors LOW VOLTAGE GENERAL PURPOSE LATCH

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Cut Tape

$0.793

MouseReel Available

Min.: 30,000
Mult.: 30,000

: 10,000

ZLH-3

A1220-1-2-3

Reel

A1220/A1221/A1222/A1223 Hall-Effect Sensor ICs

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