
For Reference Only
Part Number | A1221ELHLT-T |
OEMstron Part # | A1221ELHLT-T |
Manufacturer | Allegro MicroSystems, LLC |
Category | Sensors › Magnetic Sensors › Switches (Solid State) |
Description | MAGNETIC SWITCH LATCH SOT23W |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | A1221ELHLT-T PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 17 - Mar 22 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
A1221ELHLT-T Specifications
Part Number | A1221ELHLT-T | |
Brand | Allegro MicroSystems, LLC | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Sensors | |
Category | Magnetic Sensors | |
Subcategory | Switches (Solid State) | |
Manufacturer | Allegro MicroSystems, LLC | |
Series | Automotive, AEC-Q100 | |
Function | Latch | |
Technology | Hall Effect | |
Polarization | South Pole | |
Sensing Range | 9mT Trip, -9mT Release | |
Test Condition | -40°C ~ 85°C | |
Voltage - Supply | 3V ~ 24V | |
Current - Supply (Max) | 4mA | |
Current - Output (Max) | 25mA | |
Output Type | Open Drain | |
Features | - | |
Operating Temperature | -40°C ~ 85°C (TA) | |
Package / Case | SOT-23W | |
Supplier Device Package | SOT-23W |
A1221ELHLT-T Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
A1221ELHLT-T D# V72:2272_06610672 Allegro MicroSystems LLC |
Hall Effect Sensor 25mA Latch 3.3V/5V/9V/12V/15V/18V Automotive 3-Pin SOT-23W T/R RoHS: Compliant
|
Americas - 36 |
Part Number | Description | Stock |
A1221ELHLT-T D# A1221ELHLT-T Allegro MicroSystems LLC |
Hall Effect Sensor 25mA Latch 3.3V/5V/9V/12V/15V/18V 3-Pin SOT-23W T/R (Alt: A1221ELHLT-T) |
Europe - 0 |
Part Number | Description | Stock |
A1221ELHLT-T Allegro MicroSystems LLC |
IC LATCH BIPOLAR 3V SOT23W |
27000 |
Part Number | Description | Stock |
A1221ELHLT-T D# 620-1279-1-ND Allegro MicroSystems LLC |
MAGNETIC SWITCH LATCH SOT23W |
8518 In Stock |
Part Number | Description | Stock |
A1221ELHLT-T2 Avago Technologies |
OEM/CM Immediate delivery |
126000 |
Part Number | Description | Stock |
A1221ELHLT-T Allegro MicroSystems LLC |
A1221 - Chopper Stabilized Precision Hall Effect Latch RoHS: Compliant
|
100 |
Part Number | Description | Stock |
A1221ELHLTT Allegro MicroSystems LLC |
OEM/CM ONLY |
1059 |
Part Number | Description | Stock |
A1221ELHLT-T2 Avago Technologies |
IN stock Immediate delivery |
125985 |
Part Number | Description | Stock |
A1221ELHLT-T D# 31046071 Allegro MicroSystems LLC |
Hall Effect Sensor 25mA Latch 3.3V/5V/9V/12V/15V/18V Automotive 3-Pin SOT-23W T/R RoHS: Compliant
|
Americas - 36 |
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Quote Limit | No Limit |
Lead-Time | Can Ship Immediately |
Minimum | 1 |
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