What is OA in OA79 Diode ?

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  • April 24, 2013 at 10:43 pm #7374
    mohamed123456789
    Participant

    What is OA in OA79 diode ?

    April 25, 2013 at 7:14 am #7392
    Ligo George
    Keymaster

    The designation of OA is inherited from old European designation system for Vacuum Tubes.
    O – Cold Cathode
    A – Low Current Diode
    For More Details please visit this page ..
    http://en.wikipedia.org/wiki/Mullard%E2%80%93Philips_tube_designation

    June 25, 2014 at 3:37 pm #8900
    Ligo George
    Keymaster

    1NXXXX is an American Standard numbering system used for Semiconductor Devices which in now adopted globally.

    1N means Single Junction semiconductor.
    2N means Double Junction semiconductor.

    4007 is the part number.

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