Allegro MicroSystems A1121ELHLX-T Magnetic Sensors
Hall Effect Sensor 25mA Unipolar 3.3V/5V/9V/12V/15V/18V Automotive 3-Pin SOT-23W T/R
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
A1121ELHLX-T
Base Model
Detailed Description
Hall Effect Sensor 25mA Unipolar 3.3V/5V/9V/12V/15V/18V Automotive 3-Pin SOT-23W T/R
Package
SOT-23W
Lifecycle Status
Active
Datasheet
A1121ELHLX-T Datasheet
Quick Jump:
Technical Specifications
Allegro MicroSystems A1121ELHLX-T Magnetic Sensors technical specifications.
General
Series
Automotive, AEC-Q100
RoHS
Yes
Number of Pins
3
Package / Case
Tape & Reel
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
3V ~ 24V
Lifecycle Status
Active
Current Output Max
25 mA
Current Supply Max
4 mA
Alternate Parts Comparison (A1121ELHLX-T vs A1121ELHLT-T vs A1102LLHLX-T vs A1212LLHLX-T)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Series | Automotive, AEC-Q100 | A1121 | A110X | A121X |
| RoHS | Yes | Yes | Yes | Yes |
| Mounting Type | Surface Mount | SMD/SMT | -- | -- |
| Operating Temperature | -40°C ~ 85°C (TA) | - 40°C ~ + 85°C | -- | -- |
| Supply Voltage | 3V ~ 24V | 3 V ~ 24 V | -- | -- |
| Operating Supply Current | 4 mA | 4 mA | -- | -- |
| Output Type | Open Drain | Open Drain | -- | -- |
| Type | Unipolar Switch | Unipolar | -- | -- |
| Package / Case | Tape & Reel | -- | -- | -- |
| Number of Pins | 3 | -- | -- | -- |
| Lifecycle Status | Active | -- | -- | -- |
| Current Output Max | 25 mA | -- | -- | -- |
| 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
TLE4906KInfineon TechnologiesSimilar FunctionalityInfineon
Board Mount Hall Effect / Magnetic Sensors High Precision Hall Effect Switch
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.
A1121ELHLT-TAllegro MicroSystemsHall Effect Sensor, 4mT Min, 13.5mT Max, 30-60mA, Rectangular, Surface Mount, SOT-23W, 3 PIN
A1120LLHLX-TAllegro MicroSystemsHall Effect Sensor, 0.5mT Min, 5mT Max, 30-60mA, Rectangular, Surface Mount, SOT-23W, 3 PIN