how the zener functions in the circuit?

Discussion in 'Circuit Help' started by Zippora, Aug 28, 2016.

  1. Zippora

    Zippora

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    Please find attached file. Here Zener ZD1 is a 10V Zener. What can be the purpose of introducing zener there?
     

    Attached Files:

    Zippora, Aug 28, 2016
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  2. Zippora

    hevans1944 Hop - AC8NS

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    It will prevent the relay from energizing if the power supply input voltage is too low.
     
    hevans1944, Aug 28, 2016
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  3. Zippora

    Zippora

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    Thanks.
     
    Zippora, Aug 28, 2016
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