What is OA in OA79 Diode ?

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    What is OA in OA79 diode ?


    Ligo George

    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 ..


    Ligo George

    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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