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Unipolar Position Sensor ICs

SS340RT, SS440R Series

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

SS340RT, SS440R Series

Distributor Inventory

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).

Technical Note
Name
Description
File Size
Date
Size
Magnetic Sensor IC Product Line Card
438.61 KB
9/10/2020
PDF 438.61 KB
Magnetic Sensor IC Flat TO-92-Style CAD Model
13.27 KB
10/19/2020
13.27 KB
SOT-23 highres photo
115.42 KB
9/10/2020
115.42 KB
Magnetic Sensor IC SOT-23 CAD Model
16.4 KB
10/19/2020
16.4 KB
Magnetic Sensor IC Selection Chart
178.38 KB
9/10/2020
PDF 178.38 KB
Flat TO-92-style straight standard leads highres photo
89.66 KB
9/10/2020
89.66 KB
Manuals and Guides
Name
Description
File Size
Date
Size
SS340RT/SS440R Unipolar Digital Hall-Effect Digital Position Sensor ICs
495.93 KB
9/10/2020
PDF 495.93 KB
Data Sheet
Name
Description
File Size
Date
Size
SS340RT/SS440R Unipolar Digital Hall-Effect Sensor ICs Datasheet
704.05 KB
9/10/2020
PDF 704.05 KB
Application Note
Name
Description
File Size
Date
Size
Sensors and Switches: Solutions for Medical Applications
1.35 MB
1/11/2021
PDF 1.35 MB
Brochure
Name
Description
File Size
Date
Size
Position Sensors Range Guide
1.93 MB
9/10/2020
PDF 1.93 MB
Name
Description
File Size
Date
Size
Magnetic Sensor IC Product Line Card
438.61 KB
9/10/2020
PDF 438.61 KB
Magnetic Sensor IC Flat TO-92-Style CAD Model
13.27 KB
10/19/2020
13.27 KB
SOT-23 highres photo
115.42 KB
9/10/2020
115.42 KB
Magnetic Sensor IC SOT-23 CAD Model
16.4 KB
10/19/2020
16.4 KB
Magnetic Sensor IC Selection Chart
178.38 KB
9/10/2020
PDF 178.38 KB
Flat TO-92-style straight standard leads highres photo
89.66 KB
9/10/2020
89.66 KB
SS340RT/SS440R Unipolar Digital Hall-Effect Digital Position Sensor ICs
495.93 KB
9/10/2020
PDF 495.93 KB
SS340RT/SS440R Unipolar Digital Hall-Effect Sensor ICs Datasheet
704.05 KB
9/10/2020
PDF 704.05 KB
Sensors and Switches: Solutions for Medical Applications
1.35 MB
1/11/2021
PDF 1.35 MB
Position Sensors Range Guide
1.93 MB
9/10/2020
PDF 1.93 MB