A1157LLHLT-T
| Parameters | |
|---|---|
| Factory Lead Time | 18 Weeks |
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | SOT-23W |
| Number of Pins | 3 |
| Operating Temperature | -40°C~150°C TA |
| Packaging | Tape & Reel (TR) |
| Published | 2012 |
| JESD-609 Code | e3 |
| Pbfree Code | yes |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 3 |
| Type | Unipolar Switch |
| Terminal Finish | Matte Tin (Sn) |
| Additional Feature | REVERSE BATTERY PROTECTION |
| Subcategory | Other Sensors/Transducers |
| Technology | Hall Effect |
| Voltage - Supply | 3V~24V |
| Function | Unipolar Switch |
| Body Length or Diameter | 2.98mm |
| Body Breadth | 1.91 mm |
| Output Type | Current Source |
| Operating Supply Current | 5mA |
| Polarization | South Pole |
| Max Supply Current | 17mA |
| Test Condition | -40°C ~ 150°C |
| Sensing Range | 8mT Trip, 1mT Release |
| Magnetic Field Range-Min | 1 mT |
| Magnetic Field Range-Max | 8 mT |
| Body Height | 1mm |
| RoHS Status | ROHS3 Compliant |
A1157LLHLT-T Overview
ldeally, the magnetic switch should be packaged in the Tape & Reel (TR) for protection against damage. SOT-23W packages are used for safety reasons to protect magnetic switches. Switches of this type can deliver currents up to 17mA. To make the switches work, they have 3 pins. It has 3 terminations.
A1157LLHLT-T Features
Packaging: Tape & Reel (TR)
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Supply Voltage: 3V~24V
Operating Temperature: -40°C~150°C TA
Mounting Type: Surface Mount
3 Pins
3 Terminations
Output Type: Current Source
A1157LLHLT-T Applications
There are a lot of Allegro MicroSystems A1157LLHLT-T Magnetic Switches applications.
- Detection of ferromagnetic
- Dyno testing
- Convertible roof position
- Gear reducer RPM
- Navigation
- Commutation of brushless DC motors
- Localization of ferromagnetic
- Factory automation
- Speedometers
- Gear shift selectors and driver controls (PRNDL)