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Type of FR4 Board

Discussion in 'General Electronics Discussion' started by vick5821, Nov 12, 2012.

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  1. vick5821


    Jan 22, 2012
    Hey guys,

    I realised there are different type of FR4 Board available like for example XB, DS....

    However, I cant able to search for the difference between them.

    Anyone knows about that ?

    Thank you
  2. CocaCola


    Apr 7, 2012
    Where are you seeing these additional designations? FR = Flame Resistant, the 4 = epoxy fiberglass substrate...

    There are a few other designations like military grade stamps, but I have not seen this CB. DS rating? Possibly an in house rating for board thickness and copper pour?
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