Magnetic & Hall effect

A family of sensors allowing to measure linear movements, angles, position, speed...

Honeywell has a few years of experience with these technologies and offers a range that combines performance, reliability and cost.

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unipolar Hall-effect digital sensor IC

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Unipolar magnetics: SS340RT responds to North pole; SS440R responds to South pole • Subminiature package size (SS340RT) • Multiple magnetic sensitivities (high, medium and low) • Low voltage 3 V capability • Built-in reverse polarity protection • Thermally balanced integrated circuit over full temperature range Supplied in three different magnetic sensitivities to meet wide range of potential applications. The SS341RT and SS441R offer the highest sensitivity, with a typical operating point of 85 G at 25°C [77°F]; the SS343RT and SS443R offer medium sensitivity with 125 G typical at 25°C [77°F]; the SS349RT and SS449R offer the lowest sensitivity, requiring 350 G typical to operate at 25°C [77°F]. The SS340RT’s small size requires less PC board space, allowing it to be used in smaller assemblies. Its 3 V 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). Potential applications include door or lid closure detection, speed and RPM sensing in fitness equipment, flow rate sensing, damper or valve position control, cylinder position monitoring, float- based fluid level sensing and printer head position sensing

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