Manufacturer Part Number
A1121LUA-T
Manufacturer
Allegro MicroSystems
Introduction
Solid-state, unipolar Hall-effect switch
Product Features and Performance
Wide operating voltage range of 3V to 24V
Wide operating temperature range of -40°C to 150°C
South pole sensitive
Switching threshold of 13.5mT (trip) and 4mT (release)
Open-drain output with 25mA max current
Small 3-SIP package
Product Advantages
Robust performance in harsh environments
Precise magnetic sensing
Simple and reliable solid-state design
Low power consumption
Key Technical Parameters
Voltage Supply: 3V to 24V
Operating Temperature: -40°C to 150°C
Magnetic Switching Threshold: 13.5mT (trip), 4mT (release)
Output Type: Open Drain
Maximum Output Current: 25mA
Quality and Safety Features
RoHS3 compliant
AEC-Q100 qualified for automotive applications
Compatibility
Suitable for various magnetic sensing applications
Application Areas
Automotive systems
Industrial machinery
Consumer electronics
Product Lifecycle
Currently in production
Replacement or upgrade options available from the manufacturer
Key Reasons to Choose This Product
Reliable solid-state design for harsh environments
Wide operating voltage and temperature ranges
Precise magnetic sensing with adjustable thresholds
Low power consumption
Automotive and industrial grade quality and safety
