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Diode Identification Help

Discussion in 'Datasheets, Manuals and Component Identification' started by Jimbibob, May 21, 2015.

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  1. Jimbibob


    May 21, 2015
    First Post! Hello all.

    Looking to see if anyone knows what the following diode is. It is from a Siemens CPU315-2-DP PLC. It is located across the main supply caps. PJ81 FXP

    Any help would be great.

    Thanks in advance.

  2. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    Welcome to electronicspoint.

    As this part was across the PS-caps, it is probably a suppressor diode to protect from overvoltage. I'm sorry, but I can't find a reference to which type of diode these markings belong.
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