AMR Sensors (Magnetic Sensors)

These products are magnetic sensors (switch type) using AMR elements whose resistance varies according to the strength or direction of the magnetic field. Combination with a magnet permits highly accurate detection of opening/closing, rotation, and position.

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These are magnetic switches that are built-in IC that output H/L digital signals based on magnetic field strength.
Magnetic switches are being widely used for cylinder-position detection applications, rotation detection applications such as in gas and water meters, and opening/closing detection applications such as in single-lens reflex cameras, video cameras, and refrigerators.

Opening / closing detection sensor

These products are general-purpose type magnetic sensors whose combination with a magnet permits detection of the opening / closing status of doors, displays, covers, and more.

Position detection sensor

Combination with a magnet permits highly accurate detection of the distance to the target object. You can choose the products you want according to the power supply voltage, response frequency, and other usage conditions.

Position detection sensor (low-voltage and ultra-low power consumption type)

Ideal for use in battery-powered devices because it features ultra-low power consumption.

Rotation detection sensor

Specialized for detecting rotations. Stable output characteristics can be gained, so this type of magnetic switch achieves high accuracy detection of rotational displacements. Using two switches enables the sensing of the rotational direction.

Omnidirectional (3D) detection sensor

A type for detecting magnetic fields from the XYZ 3-axis or multi-axis directions. Ideal for external irregular magnetic field detection for various devices and for applications to detect magnetic fields in a wide range.

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Search by comparing the main specs

Customers can find desired AMR sensors on various comparison axes based on detection applications, supported voltages, sensitivity, frequencies and more.

Search by usage method and application

Here are ways opening/closing detection, position detection, rotation detection, and omnidirectional detection are each used and applied as applications of AMR sensors (magnetic sensors).

Design Support

AMR Simulation Tool Download

Download a tool that enables you to easily simulate the relationship between the positions (the ON / OFF area) of the AMR sensor and the magnet.

Evaluation board

Here we will introduce breakout boards for checking the operations and characteristics of AMR sensors.

Datasheet

You can view technical documents about AMR sensors.

Video Library

See videos related to AMR sensors.

Basics

Learn about the basics of AMR sensors (magnetic sensors), including their general characteristics and advantages, how they differ from other types of sensors used, and more.

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