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SMD diodes marking "2U 80" and "27 9E", what are they ?

Discussion in 'Electronic Repair' started by cLx, Jul 26, 2013.

  1. cLx

    cLx Guest

    Hi,

    I have a SPSU board with two shorted SMD diodes :

    +--+
    |2U|
    |80|
    +--+

    and :

    +--+
    |27|
    |9E|
    +--+

    What are these diodes ?

    The "2" is not a "Z" (checked that carefully). Also, on the board there
    another "27 9E" with Vf=0,59V on my multimeter. No zener effect up to
    Vr<=27V at least. Both are close to big mosfets.

    Do you know their references ?

    Cheers,
     
  2. legg

    legg Guest

    If they were zeners, then convention from such vendors as Central
    would make 27 a 3V6 zener, and 2U an 18V zener.

    You don't mention body size. Would make any search rather tedious..

    RL
     
  3. cLx

    cLx Guest


    Hi.

    Diodes dimensions are 4.27 x 2.35 x 1.94 mm...
     
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