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    Magnetic Sensors

    SS340RT, SS440R Series

    Low-cost unipolar Hall-effect digital sensor ICs. SOT-23 (SS340RT), flat TO-92-style (SS440R) packages. Digital sinking output.

    Overview

    The SS340RT/SS440R Series sensor ICs are small, versatile digital Hall-effect devices that are operated by the magnetic field from a permanent magnet or an electromagnet. They are designed to respond to a single pole: North (SS340RT) or South (SS440R).

    These unipolar Hall ICs are supplied in three different magnetic sensitivities to meet a wide range of potential applications:

    • SS341RT and SS441R offer the highest sensitivity, with a typical operating point of 75 G at 25 °C [77 °F].
    • SS343RT and SS443R offer medium sensitivity, with a typical operating point of 135 G at 25 °C [77 °F].
    • SS349RT and SS449R offer the lowest sensitivity, with a typical operating point of 305 G at 25 °C [77 °F].
    These sensors are available in two package styles:
    • SS340RT: Miniature SOT-23 surface mount package.
    • SS440R: Leaded, flat TO-92-style package.

    The SS340RT’s small size requires less PC board space, allowing it to be used in smaller assemblies. Its 3 Vdc capability allows for use in low voltage applications, promoting energy efficiency.

    The SS340RT Series is available on tape and reel (3000 units per reel): the SS440R Series is available in a bulk package (1000 units per bag).

    Data Sheet
    Name
    Description
    File Size
    Date
    Size
    SS340RT/SS440R Unipolar Digital Hall-Effect Sensor ICs Datasheet
    application/pdf 704.05 KB
    7/15/2021
    704.05 KB
    Manuals and Guides
    Name
    Description
    File Size
    Date
    Size
    Position Sensors Product Range Guide
    application/pdf 4.85 MB
    12/20/2022
    4.85 MB
    Installation Instructions
    Name
    Description
    File Size
    Date
    Size
    SS340RT/SS440R Unipolar Digital Hall-Effect Digital Position Sensor ICs
    application/pdf 495.93 KB
    7/15/2021
    495.93 KB
    CAD Model
    Name
    Description
    File Size
    Date
    Size
    Magnetic Sensor IC SOT-23 CAD Model
    application/zip 16.4 KB
    7/15/2021
    16.4 KB
    Magnetic Sensors CAD Models - grouped
    application/zip 130.4 KB
    7/15/2021
    130.4 KB
    Magnetic Sensor IC Flat TO-92-Style CAD Model
    application/zip 13.27 KB
    7/15/2021
    13.27 KB
    Brochure
    Name
    Description
    File Size
    Date
    Size
    Making Sense of Sensing
    application/pdf 3.37 MB
    7/25/2024
    3.37 MB
    Industrial Applications: Going Beyond Limits
    application/pdf 16.69 MB
    11/17/2022
    16.69 MB
    Controlling the Future with Technology
    application/pdf 11.8 MB
    3/7/2023
    11.8 MB
    Technical Note
    Name
    Description
    File Size
    Date
    Size
    Magnetic Sensor IC Product Line Card
    application/pdf 480.99 KB
    8/11/2021
    480.99 KB
    Magnetic Sensor IC Selection Chart --
    application/pdf 372.87 KB
    10/25/2022
    372.87 KB
    Application Note
    Name
    Description
    File Size
    Date
    Size
    All-Terrain Vehicle Solutions
    application/pdf 803.57 KB
    12/20/2022
    803.57 KB
    Forestry Vehicles
    application/pdf 1.05 MB
    12/20/2022
    1.05 MB
    Platform Vehicles
    application/pdf 628.05 KB
    12/20/2022
    628.05 KB
    Construction Vehicles -
    application/pdf 984.29 KB
    12/20/2022
    984.29 KB
    Sensors and Switches: Solutions for Medical Applications
    application/pdf 1.34 MB
    5/18/2023
    1.34 MB
    Defence Ground Vehicles -
    application/pdf 872.87 KB
    6/14/2023
    872.87 KB
    Solutions For Healthier Air & HVAC Systems
    application/pdf 3.88 MB
    5/31/2022
    3.88 MB
    Agricultural Vehicles
    application/pdf 1.11 MB
    4/11/2024
    1.11 MB
    eBook
    Name
    Description
    File Size
    Date
    Size
    Redefining Road Rail & Rugged Applications
    application/pdf 28.35 MB
    12/20/2022
    28.35 MB
    Product Photo
    Name
    Description
    File Size
    Date
    Size
    Magnetic Sensors Product Photos - grouped
    application/zip 1.22 MB
    7/15/2021
    1.22 MB
    SOT-23 lowres photo
    image/jpeg 12.05 KB
    7/15/2021
    12.05 KB
    Flat TO-92-style straight standard leads lowres photo
    image/jpeg 16.8 KB
    7/15/2021
    16.8 KB
    SOT-23 highres photo
    image/jpeg 115.42 KB
    7/15/2021
    115.42 KB
    Flat TO-92-style straight standard leads highres photo
    image/jpeg 89.66 KB
    7/15/2021
    89.66 KB
    Name
    Description
    File Size
    Date
    Size
    SS340RT/SS440R Unipolar Digital Hall-Effect Digital Position Sensor ICs
    application/pdf 495.93 KB
    7/15/2021
    495.93 KB
    Making Sense of Sensing
    application/pdf 3.37 MB
    7/25/2024
    3.37 MB
    Industrial Applications: Going Beyond Limits
    application/pdf 16.69 MB
    11/17/2022
    16.69 MB
    Controlling the Future with Technology
    application/pdf 11.8 MB
    3/7/2023
    11.8 MB
    All-Terrain Vehicle Solutions
    application/pdf 803.57 KB
    12/20/2022
    803.57 KB
    Forestry Vehicles
    application/pdf 1.05 MB
    12/20/2022
    1.05 MB
    Platform Vehicles
    application/pdf 628.05 KB
    12/20/2022
    628.05 KB
    Redefining Road Rail & Rugged Applications
    application/pdf 28.35 MB
    12/20/2022
    28.35 MB
    Magnetic Sensor IC SOT-23 CAD Model
    application/zip 16.4 KB
    7/15/2021
    16.4 KB
    Magnetic Sensors Product Photos - grouped
    application/zip 1.22 MB
    7/15/2021
    1.22 MB
    Construction Vehicles -
    application/pdf 984.29 KB
    12/20/2022
    984.29 KB
    Sensors and Switches: Solutions for Medical Applications
    application/pdf 1.34 MB
    5/18/2023
    1.34 MB
    SOT-23 lowres photo
    image/jpeg 12.05 KB
    7/15/2021
    12.05 KB
    SS340RT/SS440R Unipolar Digital Hall-Effect Sensor ICs Datasheet
    application/pdf 704.05 KB
    7/15/2021
    704.05 KB
    Defence Ground Vehicles -
    application/pdf 872.87 KB
    6/14/2023
    872.87 KB
    Position Sensors Product Range Guide
    application/pdf 4.85 MB
    12/20/2022
    4.85 MB
    Solutions For Healthier Air & HVAC Systems
    application/pdf 3.88 MB
    5/31/2022
    3.88 MB
    Magnetic Sensor IC Product Line Card
    application/pdf 480.99 KB
    8/11/2021
    480.99 KB
    Agricultural Vehicles
    application/pdf 1.11 MB
    4/11/2024
    1.11 MB
    Flat TO-92-style straight standard leads lowres photo
    image/jpeg 16.8 KB
    7/15/2021
    16.8 KB
    SOT-23 highres photo
    image/jpeg 115.42 KB
    7/15/2021
    115.42 KB
    Magnetic Sensors CAD Models - grouped
    application/zip 130.4 KB
    7/15/2021
    130.4 KB
    Flat TO-92-style straight standard leads highres photo
    image/jpeg 89.66 KB
    7/15/2021
    89.66 KB
    Magnetic Sensor IC Selection Chart --
    application/pdf 372.87 KB
    10/25/2022
    372.87 KB
    Magnetic Sensor IC Flat TO-92-Style CAD Model
    application/zip 13.27 KB
    7/15/2021
    13.27 KB
    Name
    Description
    File Size
    Date
    Size
    SS340RT/SS440R Unipolar Digital Hall-Effect Sensor ICs Datasheet
    704.05 KB
    7/15/2021
    Position Sensors Product Range Guide
    4.85 MB
    12/20/2022
    SS340RT/SS440R Unipolar Digital Hall-Effect Digital Position Sensor ICs
    495.93 KB
    7/15/2021
    Magnetic Sensor IC SOT-23 CAD Model
    16.4 KB
    7/15/2021
    Magnetic Sensors CAD Models - grouped
    130.4 KB
    7/15/2021
    Magnetic Sensor IC Flat TO-92-Style CAD Model
    13.27 KB
    7/15/2021
    Making Sense of Sensing
    3.37 MB
    7/25/2024
    Industrial Applications: Going Beyond Limits
    16.69 MB
    11/17/2022
    Controlling the Future with Technology
    11.8 MB
    3/7/2023
    Magnetic Sensor IC Product Line Card
    480.99 KB
    8/11/2021
    Magnetic Sensor IC Selection Chart --
    372.87 KB
    10/25/2022
    All-Terrain Vehicle Solutions
    803.57 KB
    12/20/2022
    Forestry Vehicles
    1.05 MB
    12/20/2022
    Platform Vehicles
    628.05 KB
    12/20/2022
    Construction Vehicles -
    984.29 KB
    12/20/2022
    Sensors and Switches: Solutions for Medical Applications
    1.34 MB
    5/18/2023
    Defence Ground Vehicles -
    872.87 KB
    6/14/2023
    Solutions For Healthier Air & HVAC Systems
    3.88 MB
    5/31/2022
    Agricultural Vehicles
    1.11 MB
    4/11/2024
    Redefining Road Rail & Rugged Applications
    28.35 MB
    12/20/2022
    Magnetic Sensors Product Photos - grouped
    1.22 MB
    7/15/2021
    SOT-23 lowres photo
    12.05 KB
    7/15/2021
    Flat TO-92-style straight standard leads lowres photo
    16.8 KB
    7/15/2021
    SOT-23 highres photo
    115.42 KB
    7/15/2021
    Flat TO-92-style straight standard leads highres photo
    89.66 KB
    7/15/2021
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