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Recent content by mirror359

  1. mirror359

    Rubber keypad switch - contact resistance

    I have a product for automotive that uses rubber keypads with gold/nickel plating over copper contact on a gold plated PCB. 5VDC with a current of 0.001 to 0.025A. Contacts are 3mm dia. How would I calculate what the contact resistance should be? I have a 15milliohm max requirement from...
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