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    Magnetic Sensors

    SS351AT, SS451A, SS551AT

    Omnipolar Hall-effect. SOT-23, flat TO-92-style, SOT-89B packages. 85 G typ. operate.

    Overview

    The SS351AT, SS451A and SS551AT sensors 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 either a North pole or a South pole.

    These omnipolar sensors are sensitive and flexible devices designed to meet a wide range of potential applications. The SS351AT, SS451A and SS551AT have a typical operating point of 85 G at 25 °C [77 °F]. Because they can be operated by a North pole or a South pole, they do not require the magnet polarity to be identified, thus making the installation easier and potentially reducing the system cost.

    These sensors are available in three package styles. The SS351AT is available in the subminiature SOT-23 surface mount package: the SS451A is available in the leaded, flat TO-92-style package, and the SS551AT is supplied in the SOT-89B surface-mount package. The SS351AT’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 SS351AT is available on tape and reel (3000 units per reel): the SS451A is available in a bulk package (1000 units per bag), and the SS551AT is available on tape and reel (1000 units per reel).

    Data Sheet
    Name
    Description
    File Size
    Date
    Size
    SS351AT, SS451A, SS551AT Omnipolar Digital Hall-effect Sensor IC
    application/pdf 500.75 KB
    7/15/2021
    500.75 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
    SS351AT/SS451A/SS551AT Omnipolar Hall-Effect Digital Position Sensors
    application/pdf 428.32 KB
    7/15/2021
    428.32 KB
    CAD Model
    Name
    Description
    File Size
    Date
    Size
    Magnetic Sensors CAD Models - grouped
    application/zip 130.4 KB
    7/15/2021
    130.4 KB
    Magnetic Sensor IC SOT-89B CAD Model
    application/zip 32.96 KB
    7/15/2021
    32.96 KB
    Magnetic Sensor IC Flat TO-92-Style CAD Model
    application/zip 13.27 KB
    7/15/2021
    13.27 KB
    Magnetic Sensor IC SOT-23 CAD Model
    application/zip 16.4 KB
    7/15/2021
    16.4 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 Selection Chart --
    application/pdf 372.87 KB
    10/25/2022
    372.87 KB
    Magnetic Sensor IC Product Line Card
    application/pdf 480.99 KB
    8/11/2021
    480.99 KB
    Application Note
    Name
    Description
    File Size
    Date
    Size
    Solutions For Healthier Air & HVAC Systems
    application/pdf 3.88 MB
    5/31/2022
    3.88 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
    Construction Vehicles -
    application/pdf 984.29 KB
    12/20/2022
    984.29 KB
    Agricultural Vehicles
    application/pdf 1.11 MB
    4/11/2024
    1.11 MB
    Sensors and Switches: Solutions for Medical Applications
    application/pdf 1.34 MB
    5/18/2023
    1.34 MB
    Sensors and Switches in Chemistry and Immunoassay Analyzers
    application/pdf 1.24 MB
    5/18/2023
    1.24 MB
    Defence Ground Vehicles -
    application/pdf 872.87 KB
    6/14/2023
    872.87 KB
    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 highres photo
    image/jpeg 89.66 KB
    7/15/2021
    89.66 KB
    Flat TO-92-style straight standard leads lowres photo
    image/jpeg 16.8 KB
    7/15/2021
    16.8 KB
    SOT-89B lowres photo
    image/jpeg 10.2 KB
    7/15/2021
    10.2 KB
    SOT-23 highres photo
    image/jpeg 115.42 KB
    7/15/2021
    115.42 KB
    SOT-89B highres photo
    image/jpeg 25.73 KB
    7/15/2021
    25.73 KB
    Name
    Description
    File Size
    Date
    Size
    Solutions For Healthier Air & HVAC Systems
    application/pdf 3.88 MB
    5/31/2022
    3.88 MB
    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 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
    Magnetic Sensor IC Selection Chart --
    application/pdf 372.87 KB
    10/25/2022
    372.87 KB
    Magnetic Sensors CAD Models - grouped
    application/zip 130.4 KB
    7/15/2021
    130.4 KB
    Agricultural Vehicles
    application/pdf 1.11 MB
    4/11/2024
    1.11 MB
    SOT-23 lowres photo
    image/jpeg 12.05 KB
    7/15/2021
    12.05 KB
    Magnetic Sensor IC SOT-89B CAD Model
    application/zip 32.96 KB
    7/15/2021
    32.96 KB
    Flat TO-92-style straight standard leads highres photo
    image/jpeg 89.66 KB
    7/15/2021
    89.66 KB
    Flat TO-92-style straight standard leads lowres photo
    image/jpeg 16.8 KB
    7/15/2021
    16.8 KB
    Magnetic Sensor IC Flat TO-92-Style CAD Model
    application/zip 13.27 KB
    7/15/2021
    13.27 KB
    Sensors and Switches: Solutions for Medical Applications
    application/pdf 1.34 MB
    5/18/2023
    1.34 MB
    Magnetic Sensor IC SOT-23 CAD Model
    application/zip 16.4 KB
    7/15/2021
    16.4 KB
    Sensors and Switches in Chemistry and Immunoassay Analyzers
    application/pdf 1.24 MB
    5/18/2023
    1.24 MB
    SS351AT, SS451A, SS551AT Omnipolar Digital Hall-effect Sensor IC
    application/pdf 500.75 KB
    7/15/2021
    500.75 KB
    SOT-89B lowres photo
    image/jpeg 10.2 KB
    7/15/2021
    10.2 KB
    Position Sensors Product Range Guide
    application/pdf 4.85 MB
    12/20/2022
    4.85 MB
    Defence Ground Vehicles -
    application/pdf 872.87 KB
    6/14/2023
    872.87 KB
    SOT-23 highres photo
    image/jpeg 115.42 KB
    7/15/2021
    115.42 KB
    SOT-89B highres photo
    image/jpeg 25.73 KB
    7/15/2021
    25.73 KB
    Magnetic Sensor IC Product Line Card
    application/pdf 480.99 KB
    8/11/2021
    480.99 KB
    SS351AT/SS451A/SS551AT Omnipolar Hall-Effect Digital Position Sensors
    application/pdf 428.32 KB
    7/15/2021
    428.32 KB
    Name
    Description
    File Size
    Date
    Size
    SS351AT, SS451A, SS551AT Omnipolar Digital Hall-effect Sensor IC
    500.75 KB
    7/15/2021
    Position Sensors Product Range Guide
    4.85 MB
    12/20/2022
    SS351AT/SS451A/SS551AT Omnipolar Hall-Effect Digital Position Sensors
    428.32 KB
    7/15/2021
    Magnetic Sensors CAD Models - grouped
    130.4 KB
    7/15/2021
    Magnetic Sensor IC SOT-89B CAD Model
    32.96 KB
    7/15/2021
    Magnetic Sensor IC Flat TO-92-Style CAD Model
    13.27 KB
    7/15/2021
    Magnetic Sensor IC SOT-23 CAD Model
    16.4 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 Selection Chart --
    372.87 KB
    10/25/2022
    Magnetic Sensor IC Product Line Card
    480.99 KB
    8/11/2021
    Solutions For Healthier Air & HVAC Systems
    3.88 MB
    5/31/2022
    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
    Agricultural Vehicles
    1.11 MB
    4/11/2024
    Sensors and Switches: Solutions for Medical Applications
    1.34 MB
    5/18/2023
    Sensors and Switches in Chemistry and Immunoassay Analyzers
    1.24 MB
    5/18/2023
    Defence Ground Vehicles -
    872.87 KB
    6/14/2023
    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 highres photo
    89.66 KB
    7/15/2021
    Flat TO-92-style straight standard leads lowres photo
    16.8 KB
    7/15/2021
    SOT-89B lowres photo
    10.2 KB
    7/15/2021
    SOT-23 highres photo
    115.42 KB
    7/15/2021
    SOT-89B highres photo
    25.73 KB
    7/15/2021
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