Parameters |
Mounting Type |
Surface Mount |
Package / Case |
SOT-23W |
Surface Mount |
YES |
Number of Pins |
3 |
Operating Temperature |
-40°C~150°C TA |
Packaging |
Tape & Reel (TR) |
Published |
2011 |
Series |
Automotive, AEC-Q100 |
JESD-609 Code |
e0 |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
3 |
Type |
Unipolar Switch |
Terminal Finish |
TIN LEAD |
Technology |
Hall Effect |
Voltage - Supply |
3.5V~24V |
Terminal Position |
DUAL |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
240 |
Supply Voltage |
12V |
Terminal Pitch |
0.95mm |
Time@Peak Reflow Temperature-Max (s) |
30 |
Function |
Unipolar Switch |
Current - Supply (Max) |
17mA |
Qualification Status |
Not Qualified |
Output Type |
Current Source |
Supply Voltage-Max (Vsup) |
24V |
Operating Supply Current |
6.9mA |
Polarization |
South Pole |
Test Condition |
-40°C ~ 150°C |
Sensing Range |
11mT Trip, 4.5mT Release |
Height Seated (Max) |
1.17mm |
Length |
2.92mm |
Width |
1.975mm |
RoHS Status |
Non-RoHS Compliant |
Lead Free |
Contains Lead |
A1143LLHLT Overview
The magnetic switch is packaged in Tape & Reel (TR) to protect it from damage. In order to ensure safety, magnetic switches are packaged in SOT-23W packages. The magnetic switches can supply a maximum current of 17mA for good performance. In order for the switches to function, they have pins 3. This document has 3 terminations. In order for this switch to function correctly, it should provide a maximum voltage of 24V. The switch is usually set to supply 12V voltage to ensure reliable operation.
A1143LLHLT Features
Packaging: Tape & Reel (TR)
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Supply Voltage: 3.5V~24V
Operating Temperature: -40°C~150°C TA
Mounting Type: Surface Mount
3 Pins
3 Terminations
Output Type: Current Source
Maximum Supply Current: 17mA
A1143LLHLT Applications
There are a lot of Allegro MicroSystems A1143LLHLT Magnetic Switches applications.
- Steering position
- Generator set
- Electric window lift
- Brushless DC (direct current) motor commutation
- Medication dispensing control
- Industrial controls
- Transmission
- Rollers
- Motor assemblies
- Rotary applications