| Parameters |
| Factory Lead Time |
18 Weeks |
| Mounting Type |
Surface Mount |
| Package / Case |
SOT-23W |
| Supplier Device Package |
SOT-23W |
| Operating Temperature |
-40°C~150°C TA |
| Packaging |
Tape & Reel (TR) |
| Published |
2012 |
| Part Status |
Active |
| Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
| Type |
Unipolar Switch |
| Max Operating Temperature |
150°C |
| Min Operating Temperature |
-40°C |
| Technology |
Hall Effect |
| Voltage - Supply |
3V~24V |
| Function |
Unipolar Switch |
| Current - Supply (Max) |
17mA |
| Output Type |
Current Source |
| Operating Supply Current |
6.9mA |
| Polarization |
South Pole |
| Test Condition |
-40°C ~ 150°C |
| Sensing Range |
6mT Trip, 1mT Release |
| RoHS Status |
ROHS3 Compliant |
A1155LLHLT-T Overview
A protective Tape & Reel (TR) package surrounds the magnetic switch to protect it from damage. Safety precautions are taken by packaging the magnetic switches in SOT-23W packages. As a maximum current, magnetic switches can supply 17mA. Magnet switches can be set to operate at 150°C. This magnetic switch works best at temperatures above -40°C.
A1155LLHLT-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
Output Type: Current Source
Maximum Supply Current: 17mA
A1155LLHLT-T Applications
There are a lot of Allegro MicroSystems A1155LLHLT-T Magnetic Switches applications.
- Speed and direction of gears
- Speedometers
- Anti-lock braking systems
- Electric window lift
- Commutation of brushless DC motors
- Magnetic encoders
- Compressor speed
- Gear shift selectors and driver controls (PRNDL)
- Control of magnetic apparatus
- Encoders