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Diode colour code ?

Discussion in 'Electronic Repair' started by N_Cook, Jan 5, 2009.

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  1. N_Cook

    N_Cook Guest

    Did any company have a convention of putting different colour sleeving on
    axial diodes instead of coloured bands ?
    Doesn't matter in the present case as any old 1N4005 etc would do , but for
    future reference.
    All over black enamelled or black glass with no markings and blue sleeve on
    anode lead and red on cathode lead, so not going with red to positive for
    forward current transfer.
    Size etc oes not agree with 1N602 , 1N206 , 602, 206 not found,
    1N1206,1N1602, 1N2206 not found, 1N2602
     
  2. ??? If I understand you: The cathode end is marked with red?
    Seems normal to me -- as the cathode end yields positive voltage when
    used as a rectifier. And being a rectifier is what a diode is...

    Jonesy
     
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