What is OA in OA79 Diode ?

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This topic contains 2 replies, has 2 voices, and was last updated by  Ligo George 2 years, 10 months ago.

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  • #7374

    mohamed123456789
    Participant

    What is OA in OA79 diode ?

    #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

    #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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