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Overview

The VF401 is a high performance, digital, 2-wire, MR (magnetoresistive) sensor in a miniature, flat, TO-92-style, plastic package with a current output, designed for sensing fine pitch ring magnets.

The unique VF401 bridge array (patent number 6,297,628) has been optimized to allow a greater air gap between the target and the sensor with reduced loss in sensor signal or accuracy.

The VF401 has a reduced sensitivity to run-out (shift in sensor position relative to the inside or outside diameter of the ring magnet). It is also less sensitive to tilt tolerance (deviation from parallel positioning of the sensing elements and ring magnet), accepting up to 10°, versus only 2° to 3° for typical ring magnet sensors, as well as being less sensitive to twist (deviation of perfect angular position of the bridge runners relative to the pole transitions).

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
VF401 2-Wire Fine Pitch Ring Magnet Sensor Datasheet English 166KB
Speed Sensors Range Guide Product Range Guide English 767KB
Position Sensors Range Guide Product Range Guide English 1MB
Magnetic Sensors Product Line Guide English 377KB
Magnetic Sensor IC Selection Chart Line Card/Selection Chart English 140KB
Magnetic Sensor IC Product Line Card Line Card/Selection Chart English 218KB
MG Series Magnets Datasheet English 464KB
Sensors and Switches for Potential Medical Applications Product Range Guide English 2MB
Sensors and Switches for Potential Medical Applications Application Note English 883KB

Browse Ring Magnet Series Products

Product Package Quantity/Type Output Type Product Type
VF401 Sourcing Magnetoresistive digital ring magnet speed sensor IC

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