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 CHOPPER STABILIZED HALL SWITCH

A1220ELHLT-T
Allegro MicroSystems
1: $1.30
11,965In 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

11,965In Stock

Cut Tape

$1.30

$1.14

$1.01

$0.964

View

Reel

$0.677

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

A1221LLHLT-T
Allegro MicroSystems
1: $1.52
8,360In 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

8,360In Stock

Cut Tape

$1.52

$1.33

$1.18

$1.13

View

Reel

$0.753

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 GENERAL PURPOSE HALL EFFECT LATCH

A1221LLHLX-T
Allegro MicroSystems
1: $1.44
31,068In 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

31,068In Stock

Cut Tape

$1.44

$1.26

$1.12

$1.07

View

Reel

$0.707

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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: $1.44
59,687In 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

59,687In Stock

Cut Tape

$1.44

$1.26

$1.12

$1.07

View

Reel

$0.707

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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: $1.78
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

$1.78

$1.58

$1.40

$1.34

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

A1221LUA-T
Allegro MicroSystems
1: $1.66
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

$1.66

$1.46

$1.30

$1.24

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

A1220LLHLT-T
Allegro MicroSystems
1: $1.43
7,179In 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

7,179In Stock

Cut Tape

$1.43

$1.25

$1.12

$1.08

View

Reel

$0.753

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 LOW VOLTAGE GENERAL PURPOSE LATCH

A1223ELHLT-T
Allegro MicroSystems
1: $1.30
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

$1.30

$1.14

$1.01

$0.964

View

Reel

$0.64

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ZLH-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: $1.35
2,582In Stock

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

2,582In Stock

$1.35

$1.13

$1.06

$1.02

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 GENERAL PURPOSE HALL EFFECT LATCH

A1221ELHLT-T
Allegro MicroSystems
1: $1.30
1,770In Stock
18,000Expected 2026-02-23

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

1,770In Stock

18,000Expected 2026-02-23

Cut Tape

$1.30

$1.14

$1.01

$0.964

View

Reel

$0.727

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 LOW VOLTAGE GENERAL PURPOSE LATCH

A1223LUA-T
Allegro MicroSystems
1: $1.41
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

$1.41

$1.24

$1.11

$1.06

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

A1222LLHLT-T
Allegro MicroSystems
1: $1.61
2,052In 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

2,052In Stock

Cut Tape

$1.61

$1.41

$1.26

$1.20

View

Reel

$0.904

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

A1220LUA-T
Allegro MicroSystems
1: $1.58
22,337Expected 2026-05-04

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

22,337Expected 2026-05-04

$1.58

$1.40

$1.25

$1.20

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 LOW VOLTAGE GENERAL PURPOSE LATCH

A1223LLHLX-T
Allegro MicroSystems
30,000: $0.746
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

$0.746

MouseReel Available

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

Reel: 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: $0.713
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

$0.713

MouseReel Available

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

Reel: 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: $0.632
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

$0.632

MouseReel Available

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

Reel: 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: $0.834
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

$0.834

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: $0.685
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

$0.685

MouseReel Available

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

Reel: 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: $0.702
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

$0.702

MouseReel Available

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

Reel: 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: $0.797
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

$0.797

MouseReel Available

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

Reel: 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: $0.569
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

$0.569

MouseReel Available

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

Reel: 10,000

ZLH-3

A1220-1-2-3

Reel

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

A1223LLHLT-T
Allegro MicroSystems
18,000: $0.733
Non-Stocked Lead-Time 16 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 16 Weeks

Cut Tape

$0.733

MouseReel Available

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

Reel: 3,000

ZLH-3

A1220-1-2-3

Reel

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

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