| Parameters |
| Factory Lead Time |
8 Weeks |
| Mount |
Through Hole |
| Mounting Type |
Through Hole |
| Package / Case |
3-SSIP |
| Number of Pins |
3 |
| Operating Temperature |
-40°C~150°C TA |
| Packaging |
Bulk |
| Published |
2013 |
| 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 |
| Current - Supply (Max) |
17mA |
| Body Length or Diameter |
4.09mm |
| Body Breadth |
1.52 mm |
| Output Type |
Current Source |
| Operating Supply Current |
5mA |
| Polarization |
South Pole |
| Test Condition |
-40°C ~ 150°C |
| Sensing Range |
8mT Trip, 1mT Release |
| Magnetic Field Range-Min |
4.5 mT |
| Magnetic Field Range-Max |
11 mT |
| RoHS Status |
ROHS3 Compliant |
| Lead Free |
Lead Free |
A1157LUA-T Overview
A protective Bulk package surrounds the magnetic switch to protect it from damage. In order to ensure safety, magnetic switches are packaged in 3-SSIP packages. In order to be effective, magnetic switches can provide a maximum current of 17mA. Switches are operated by 3 pins. It has 3 terminations.
A1157LUA-T Features
Packaging: Bulk
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Supply Voltage: 3V~24V
Operating Temperature: -40°C~150°C TA
Mounting Type: Through Hole
3 Pins
3 Terminations
Output Type: Current Source
Maximum Supply Current: 17mA
A1157LUA-T Applications
There are a lot of Allegro MicroSystems A1157LUA-T Magnetic Switches applications.
- Rollers
- Speedometers
- Navigation
- CNC machine tools
- Robotics control
- Speed and direction of gears
- Counter pickup
- Position tracking
- Tachometers/counters
- Rotary applications