ESD protection of input pin with Transsorb

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  1. - 21st March 2006, 09:13 #1
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    Sharky
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    Question ESD protection of input pin with Transsorb

    Hi,

    I am working on a little controlpanel with a 12F629 pic.

    I want to protect the input ports from ESD and I think that the best way to do that is to use a transient diode.

    But how do you use them right?

    I have attached a small diagram that shows what I think is the right way.
    So please take a look on the attachment and give me your comments.

    By the way, should I use a Unipolar or a Bipolar diode?
    My own guess is to use a unipolar, but I'm not sure.

    Gert K.
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    *Let's do it*
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