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Allegro MicroSystems A1121LLHLT-T Magnetic Sensors

Hall Effect Sensor, 4mT Min, 13.5mT Max, 30-60mA, Rectangular, Surface Mount, SOT-23W, 3 PIN

42 ActiveAllegro MicroSystemsSOT-23W$1.39
A1121LLHLT-T SOT-23W package illustration

Same model may have multiple batches, images only for reference.

A1121LLHLT-T
Part Number (MPN)
A1121LLHLT-T
Detailed Description
Hall Effect Sensor, 4mT Min, 13.5mT Max, 30-60mA, Rectangular, Surface Mount, SOT-23W, 3 PIN
Package
SOT-23W
Lifecycle Status
Active
Datasheet
PDF A1121LLHLT-T Datasheet
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Technical Specifications

Allegro MicroSystems A1121LLHLT-T Magnetic Sensors technical specifications.

General

Series
Automotive, AEC-Q100
RoHS
Yes
Number of Pins
3
Package / Case
SOT-23W
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C (TA)
Supply Voltage
3V ~ 24V
Lifecycle Status
Active
Current Output Max
25 mA
Current Supply Max
4 mA

Alternate Parts Comparison (A1121LLHLT-T vs A1102LLHLX-T vs A1212LLHLX-T vs A1324LLHLT-T)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
SeriesAutomotive, AEC-Q100A110XA121XA1324-5-6
RoHSYesYesYesYes
Mounting TypeSurface Mount----SMD/SMT
Supply Voltage3V ~ 24V----4.5 V ~ 5.5 V
Output TypeOpen Drain----Analog
Package / CaseSOT-23W------
Operating Temperature-40°C ~ 150°C (TA)------
Number of Pins3------
Lifecycle StatusActive------
Current Output Max25 mA------
Current Supply Max4 mA------
FunctionUnipolar Switch------
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

More Parts in Switches (Solid State)

Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.