PPS Resin Isotropy NdFeB Sensor Magnet for TMR Angle Sensors

/PPS Resin Isotropy NdFeB Sensor Magnet for TMR Angle Sensors
  • PPS Resin Isotropy NdFeB Sensor Magnet for TMR Angle Sensors
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  • PPS Resin Isotropy NdFeB Sensor Magnet for TMR Angle Sensors, Round Magnets for Board Mount Hall Effect / Magnetic Sensors, Disc Magnetic Sensor Magnets, TMR sensor Resin PPS Magnetic Encoders supplier

    PPS Resin Isotropy NdFeB Sensor Magnet for TMR Angle Sensors Magnetic characteristics
    Size 13X2MM
    Magnetic powder Isotropy NdFeB
    Resin PPS
    Residual magnetic flux
    density Br mT 525
    Retention force Hcb kA/m 358
    Retention force Hcj kA/m 891
    Maximum energy product
    BH max kJ/m3 47
    The product is recommended when the ambient temperature is expected to be 150℃ or above.

    The optimal magnet for TMR angle sensors
    Magnetic field distributions that reduce angular errors can be made by combining it with our TMR angle sensors due to the adoption of an isotropic bonded NdFeB magnet.

    Magnetization to minimize the error of angle
    High robustness against the setting area between
    magnet and TMR angle sensor
    High reliability

    For EPS angle sensor
    For control system of wiper motor
    For other automotive angle sensor

    The distance between magnets and TMR angle sensors, and the relationship between the magnetic flux density and radius that can attain an angular error of 0.1 degrees or below
    Positional relationship between magnets and sensors

    TMR (Tunnel MagnetoResistance) elements were introduced as a new type of magnetoresistance sensor for industrial applications. They are constructed as a magnetic multilayer film material. TMR magnetic field sensing elements exhibit a greater change in resistivity, as a function of applied magnetic field induction, than that of the previously developed magnetoresistance technologies, AMR and GMR. The term Magnetic Tunnel Junction (MTJ) is used to refer to a TMR sensing element. TMR Angle Sensor Magnets Round Isotropy NdFeB PA12

    The anisotropic magnetoresistance effect in metals describes how the resistance of the material is related to the orientation between the current and the magnetic field—reaching a minimum when the current and magnetic field are at right angles to one another.

    The giant magnetoresistance effect is a large change in resistance between two ferromagnetic layers that are separated by a non-magnetic conductor. The resistance decreases when the magnetic field in the two layers is parallel and increases when the magnetic fields are anti-parallel.

    The trouble with these two approaches is that the changes in resistance are relatively small and require a Wheatstone bridge and a signal amplifier for detection. Thermal noise in the sensor and Wheatstone bridge is amplified and decreases the overall sensitivity of the device. Temperature changes also have a significant effect on the sensor over its operating range.

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