SS341RT – Magnetic Switch Unipolar Open Collector Hall Effect Sensor SOT-23-3

Resources:Datasheet
Unipolar Hall Effect Magnetic Switch Sensor With Open Collector Output In Compact SOT-23-3 Package
The SS341RT Magnetic Switch Unipolar Open Collector Hall Effect Sensor is a compact magnetic sensing IC designed for precise contactless position detection and proximity sensing applications. Built using Hall-effect sensing technology, this unipolar magnetic switch responds specifically to a north magnetic pole and provides a stable open-collector digital output suitable for embedded systems, industrial automation, consumer electronics, and motion-control applications. Its miniature SOT-23-3 package enables efficient integration into compact PCB layouts and portable electronic devices.
The SS341RT offers high magnetic sensitivity with a typical operating point of 75 Gauss at 25 degrees C, making it suitable for accurate magnetic switching and low-field detection applications. Designed for low-voltage operation, the sensor supports energy-efficient systems and battery-powered embedded devices. Its contactless sensing operation improves long-term reliability by eliminating mechanical wear associated with conventional switches and mechanical sensors.
Key Features

Unipolar Magnetic Detection: Designed to detect a single north magnetic pole for reliable switching operation.
High Sensitivity Hall Sensor: Typical operating point of 75 Gauss at 25 degrees C.
Open Collector Output: Flexible digital output compatible with various logic voltage systems.
Compact SOT-23-3 Package: Small surface-mount package suitable for compact PCB layouts.
Hall Effect Sensing Technology: Reliable contactless magnetic field detection.
Low Voltage Operation: Suitable for energy-efficient and battery-powered electronics.
Contactless Switching: Eliminates mechanical wear for improved durability and long service life.
Fast Magnetic Response: Supports accurate position and proximity sensing applications.
Easy Embedded Integration: Compatible with microcontrollers and digital logic systems.
Compact Embedded Design: Suitable for portable and miniaturized electronic products.

Applications

Magnetic position sensing
Proximity detection systems
Embedded-system development
Portable consumer electronics
Industrial automation
Smart-home devices
Contactless switch applications
Motion-control systems
Automotive electronics
Low-power sensing applications