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    Magnetic Sensors

    SS345PT, SS445P

    Unipolar Hall-effect digital sensor ICs. SOT-23 (SS345PT), flat TO-92-style (SS445P) packages. Digital sinking output.

    Overview

    The SS345PT/SS445P sensors are small, versatile digital Hall-effect devices that are operated by the magnetic field from a permanent magnet or an electromagnet, designed to respond to a single North pole (SS345PT) or South pole (SS445P).

    These unipolar sensors are designed to meet the requirements of a wide range of potential applications. The internal pull-up resistor often eliminates the need for external components, further helping to reduce the system cost. These economical unipolar sensors are well suited for simple, high-volume, cost-sensitive position and motion sensing applications.

    The 2.7 Vdc to 7 Vdc supply voltage range allows this device to be used in low voltage applications. The SS345PT’s very small size requires less PCB (printed circuit board) space, allowing it to be used in smaller assemblies.

    These sensors are available in two package styles: the SS345PT in the subminiature SOT-23 surface mount package: the SS445P is available in the leaded, flat TO-92-style package.

    The SS345PT is available on tape and reel (3000 units per reel): the SS445P is available in a bulk package (1000 units per bag).

    Data Sheet
    Name
    Description
    File Size
    Date
    Size
    SS345PT/SS445P Unipolar Hall-Effect Digital Position Sensor ICs With Built-in Pull-up Resistor
    application/pdf 454.15 KB
    7/15/2021
    454.15 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
    SS345PT/SS445P Unipolar Hall-Effect Digital Position Sensors with Built-in Pull-Up Resistor
    application/pdf 272.86 KB
    7/15/2021
    272.86 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 Sensor IC Flat TO-92-Style CAD Model
    application/zip 13.27 KB
    7/15/2021
    13.27 KB
    Magnetic Sensors CAD Models - grouped
    application/zip 130.4 KB
    7/15/2021
    130.4 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 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
    Solutions For Healthier Air & HVAC Systems
    application/pdf 3.88 MB
    5/31/2022
    3.88 MB
    Sensors and Switches: Solutions for Medical Applications
    application/pdf 1.34 MB
    5/18/2023
    1.34 MB
    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
    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 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
    Magnetic Sensor IC Product Line Card
    application/pdf 480.99 KB
    8/11/2021
    480.99 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
    Solutions For Healthier Air & HVAC Systems
    application/pdf 3.88 MB
    5/31/2022
    3.88 MB
    Position Sensors Product Range Guide
    application/pdf 4.85 MB
    12/20/2022
    4.85 MB
    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
    Construction Vehicles -
    application/pdf 984.29 KB
    12/20/2022
    984.29 KB
    Magnetic Sensors Product Photos - grouped
    application/zip 1.22 MB
    7/15/2021
    1.22 MB
    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
    SS345PT/SS445P Unipolar Hall-Effect Digital Position Sensor ICs With Built-in Pull-up Resistor
    application/pdf 454.15 KB
    7/15/2021
    454.15 KB
    Magnetic Sensor IC Selection Chart --
    application/pdf 372.87 KB
    10/25/2022
    372.87 KB
    Defence Ground Vehicles -
    application/pdf 872.87 KB
    6/14/2023
    872.87 KB
    SS345PT/SS445P Unipolar Hall-Effect Digital Position Sensors with Built-in Pull-Up Resistor
    application/pdf 272.86 KB
    7/15/2021
    272.86 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
    Magnetic Sensor IC Flat TO-92-Style CAD Model
    application/zip 13.27 KB
    7/15/2021
    13.27 KB
    Flat TO-92-style straight standard leads highres photo
    image/jpeg 89.66 KB
    7/15/2021
    89.66 KB
    Magnetic Sensors CAD Models - grouped
    application/zip 130.4 KB
    7/15/2021
    130.4 KB
    Name
    Description
    File Size
    Date
    Size
    SS345PT/SS445P Unipolar Hall-Effect Digital Position Sensor ICs With Built-in Pull-up Resistor
    454.15 KB
    7/15/2021
    Position Sensors Product Range Guide
    4.85 MB
    12/20/2022
    SS345PT/SS445P Unipolar Hall-Effect Digital Position Sensors with Built-in Pull-Up Resistor
    272.86 KB
    7/15/2021
    Magnetic Sensor IC SOT-23 CAD Model
    16.4 KB
    7/15/2021
    Magnetic Sensor IC Flat TO-92-Style CAD Model
    13.27 KB
    7/15/2021
    Magnetic Sensors CAD Models - grouped
    130.4 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 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
    Solutions For Healthier Air & HVAC Systems
    3.88 MB
    5/31/2022
    Sensors and Switches: Solutions for Medical Applications
    1.34 MB
    5/18/2023
    Construction Vehicles -
    984.29 KB
    12/20/2022
    Agricultural Vehicles
    1.11 MB
    4/11/2024
    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 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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