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  1. JohnW

    OPERATION OF CABLE UNDER LIGHTNING IMPULSE CONDITION.

    A document that I have found very informative with reguard to how to protect circuits is ANSI/IEEE C62.41-1991 (ISBN 1-55937-130-7). It does not tell you about devices but rather the energy levels and test methods. This allows you to get a better understanding of what impulses will find their...
  2. JohnW

    New to surface mount PCB's

    Does anyone have advice on how to predict the life of the SMT assembly - before thermally induced fatigue creates failures? I have been informed that this is a significant problem for longlife (>10 year) products.

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