HW Series
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[Q0396] ・For the surface mounting DIP type HW series, where is No.1 pin?
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A. ・Because the hall element can maintain characteristics within the specified range even if it turns by 180°, the upper right pin is No. 1 pin for the surface mounting type and the upper left pin is No. 1 pin for the DIP type.
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[Q0397] ・How should we specify the sensitivity rank when ordering HW series hall elements?
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A. ・Specify the sensitivity rank 3 or above for the design using ultra-sensitive type HW series hall elements. Ex) DEF, EFG ranks
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[Q0398] ・How should we determine the value of the limiting resistor.
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A. ・The resistor values of HW series hall elements drop quickly at high temperature. Therefore, they are easily subject to burnout and care should be taken of the drive circuit. In general, a resistor is added in series with the hall element to prevent burnout. Please see the link: Technical Resources "How to Use Hall Elements".
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[Q0399] ・Can we use it without the limiting resistor?
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A. ・Yes, you can. However, the voltage and current are considerably reduced compared with those with limiting resistors. Please see the link: Technical Resources "How to Use Hall Elements".
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