Honeywell SS340RT & SS440R Series Unipolar Digital Hall-Effect Sensor ICs

Manufacturer: Honeywell

The SS340RT/SS440R 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).

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Features Applications Model Document

Subminiature package size (SS340RT) supplied on tape and reel
Allows for a compact design with automated component placement
Simple activation from a single pole and multiple magnetic sensitivities (high, medium and low)

Door or lid closure detection
Speed and RPM (revolutions per minute) sensing in fitness equipment
Flow rate sensing in industrial processes, appliances, or water softeners
Damper or valve position control in industrial, HVAC, or residential/commercial applications
Robotic control (cylinder position monitoring)
Float-based fluid level sensing
Printer head position sensing
Displacement sensor in hospital beds or medical equipment
Medication bin monitor on portable drug carts

Mfr. Part No.	Description
SS341RT	high sensitivity, SOT-23 package, tape and reel packaging
SS343RT	medium sensitivity, SOT-23 package, tape and reel packaging
SS349RT	low sensitivity, SOT-23 package, tape and reel packaging
SS441R	high sensitivity, flat TO-92-style package, bulk packaging
SS443R	medium sensitivity, flat TO-92-style package, bulk packaging
SS449R	low sensitivity, flat TO-92-style package, bulk packaging

Honeywell SS340RT & SS440R Series Unipolar Digital Hall-Effect Sensor ICs

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