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: $1.19
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

Learn More

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

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 LOW VOLTAGE GENERAL PURPOSE LATCH

A1222LUA-T
Allegro MicroSystems
1: $1.48
7,352In Stock

Mfr. Part No.
A1222LUA-T

Mouser Part No
250-A1222LUA-T

Allegro MicroSystems

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

Learn More

Datasheet

7,352In Stock

$1.48

$1.31

$1.17

$1.12

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

A1220LLHLX-T
Allegro MicroSystems
1: $1.19
53,945In Stock

Mfr. Part No.
A1220LLHLX-T

Mouser Part No
250-A1220LLHLX-T

Allegro MicroSystems

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

Learn More

Datasheet

53,945In Stock

Cut Tape

$1.19

$1.06

$0.939

$0.868

View

Reel

$0.594

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 GENERAL PURPOSE HALL EFFECT LATCH

A1221ELHLT-T
Allegro MicroSystems
1: $1.08
18,770In Stock

Mfr. Part No.
A1221ELHLT-T

Mouser Part No
250-A1221ELHLT-T

Allegro MicroSystems

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

Learn More

Datasheet

18,770In Stock

Cut Tape

$1.08

$0.948

$0.842

$0.804

View

Reel

$0.576

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

A1221LUA-T
Allegro MicroSystems
1: $1.37
1,734In Stock

Mfr. Part No.
A1221LUA-T

Mouser Part No
250-A1221LUA-T

Allegro MicroSystems

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

Learn More

Datasheet

1,734In Stock

$1.37

$1.22

$1.09

$1.04

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

A1221LLHLT-T
Allegro MicroSystems
1: $1.26
7,620In Stock

Mfr. Part No.
A1221LLHLT-T

Mouser Part No
250-A1221LLHLT-T

Allegro MicroSystems

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

Learn More

Datasheet

7,620In Stock

Cut Tape

$1.26

$0.947

$0.88

$0.799

View

Reel

$0.598

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: $1.08
5,602In Stock

Mfr. Part No.
A1223ELHLT-T

Mouser Part No
250-A1223ELHLT-T

Allegro MicroSystems

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

Learn More

Datasheet

5,602In Stock

Cut Tape

$1.08

$0.948

$0.842

$0.804

View

Reel

$0.591

MouseReel Available

Min.: 1
Mult.: 1

: 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: $1.20
6,382In Stock

Mfr. Part No.
A1220EUA-T

Mouser Part No
250-A1220EUA-T

Allegro MicroSystems

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

Learn More

Datasheet

6,382In Stock

$1.20

$1.06

$0.943

$0.90

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

A1220LUA-T
Allegro MicroSystems
1: $1.47
2,922In Stock
72,000Expected 2026/11/05

Mfr. Part No.
A1220LUA-T

Mouser Part No
250-A1220LUA-T

Allegro MicroSystems

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

Learn More

Datasheet

2,922In Stock

72,000Expected 2026/11/05

$1.47

$1.29

$1.16

$1.06

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: $1.08
6,150In Stock

Mfr. Part No.
A1220ELHLT-T

Mouser Part No
250-A1220ELHLT-T

Allegro MicroSystems

Board Mount Hall Effect/Magnetic Sensors CHOPPER STABILIZED HALL SWITCH

Learn More

Datasheet

6,150In Stock

Cut Tape

$1.08

$0.948

$0.843

$0.805

View

Reel

$0.60

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: $1.26
15,739In Stock
36,000Expected 2027/03/08

Mfr. Part No.
A1220LLHLT-T

Mouser Part No
250-A1220LLHLT-T

Allegro MicroSystems

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

Learn More

Datasheet

15,739In Stock

36,000Expected 2027/03/08

Cut Tape

$1.26

$1.11

$0.989

$0.932

View

Reel

$0.701

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 LOW VOLTAGE GENERAL PURPOSE LATCH

A1222LLHLT-T
Allegro MicroSystems
1: $1.33
1,691In Stock

Mfr. Part No.
A1222LLHLT-T

Mouser Part No
250-A1222LLHLT-T

Allegro MicroSystems

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

Learn More

Datasheet

1,691In Stock

Cut Tape

$1.33

$1.17

$1.05

$1.01

View

Reel

$0.769

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 LOW VOLTAGE GENERAL PURPOSE LATCH

A1223LUA-T
Allegro MicroSystems
1: $1.47
542In Stock

Mfr. Part No.
A1223LUA-T

Mouser Part No
250-A1223LUA-T

Allegro MicroSystems

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

Learn More

Datasheet

542In Stock

$1.47

$1.29

$1.16

$1.10

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: $0.684
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
A1223LLHLT-T

Mouser Part No
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

$0.684

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: $0.647
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
A1223LLHLX-T

Mouser Part No
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

$0.647

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: $0.618
Non-Stocked Lead-Time 36 Weeks

Mfr. Part No.
A1220ELHLX-T

Mouser Part No
250-A1220ELHLX-T

Allegro MicroSystems

Board Mount Hall Effect/Magnetic Sensors CHOPPER STABILIZED HALL SWITCH

Learn More

Datasheet

Non-Stocked Lead-Time 36 Weeks

Cut Tape

$0.618

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: $0.543
Non-Stocked Lead-Time 36 Weeks

Mfr. Part No.
A1221ELHLX-T

Mouser Part No
250-A1221ELHLX-T

Allegro MicroSystems

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

Learn More

Datasheet

Non-Stocked Lead-Time 36 Weeks

Cut Tape

$0.543

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: $0.662
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
A1221EUA-T

Mouser Part No
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

$0.662

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: $0.636
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
A1222ELHLT-T

Mouser Part No
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

$0.636

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: $0.604
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
A1222ELHLX-T

Mouser Part No
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

$0.604

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: $0.698
Non-Stocked Lead-Time 36 Weeks

Mfr. Part No.
A1222LLHLX-T

Mouser Part No
250-A1222LLHLX-T

Allegro MicroSystems

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

Learn More

Datasheet

Non-Stocked Lead-Time 36 Weeks

Cut Tape

$0.698

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: $0.551
Non-Stocked Lead-Time 36 Weeks

Mfr. Part No.
A1223ELHLX-T

Mouser Part No
250-A1223ELHLX-T

Allegro MicroSystems

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

Learn More

Datasheet

Non-Stocked Lead-Time 36 Weeks

Cut Tape

$0.551

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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