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Who knows something about this component?

Discussion in 'Electronic Components' started by petrus bitbyter, Apr 29, 2005.

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  1. I posted a picture of the component on alt.binaries.schematics.electronic.
    Hope someone can help me out.

    petrus bitbyter
     
  2. Guest

    It would help if you would post the link to the photo.

    Harry C.
     
  3. Joerg

    Joerg Guest

    Hello Petrus,

    Can't see it on abse.

    Regards, Joerg
     
  4. Ross Herbert

    Ross Herbert Guest


    I have located the pic on abse. The logo looks similar to Diotec
    http://www.diotec.com/ however, the type number (2N)3402 doesn't
    register in a search of their site.

    Possibly Diotec may have produced this type at some time or the 3402
    is an oem part number, or if we take the conspiracy path, some scam
    manaufacturer is using a close copy of the Diotec logo.

    If the device is in fact a 2N3402 it is now obsolete. Fairchild give a
    cross for the 2N3402 as 2N3393
    http://www.fairchildsemi.com/ds/2N/2N3393.pdf
     
  5. Ross Herbert wrote...
    I don't think it's Diotec. I came across this company recently,
    and their logo looks exactly like the photo, which is different
    from Diotec's logo. Unfortunately I haven't been able to remember
    the name of the company. I'm pretty sure I have one of their
    datasheets in my computer, but haven't been able to find it. Yet.
     
  6. Pooh Bear

    Pooh Bear Guest

    I'll take a guess that 3402 is the date code.

    We need someone to identify the maker's logo.

    What did it come out of btw ? Any guide to likely function ?


    Graham
     
  7. CWatters

    CWatters Guest

    Sanyo make a 2SC3402 which is an NPN transistor with integral bias resistors
    in the base and base-emmiter.

    But not sure that's what you have.
     
  8. I read in sci.electronics.design that petrus bitbyter
    What did it come out of? Some of these things are very low power
    thyristors or triacs from Taiwan or Korea.
     
  9. Rich Grise

    Rich Grise Guest

    3402 is the date code. It was made in the 34th week of 2002.
    "1A60" is the part number, which sounds very much like a 1A,
    60V SCR or triac.

    Cheers!
    Rich
     
  10. I read in sci.electronics.design that Rich Grise <>
    How do you know? Did your Mother tell you?
     
  11. Genome

    Genome Guest

    Look, ****...... and it might be me, but......

    Just recently you have become very obstreperous.

    I could do you a nice massage.

    DNA
     
  12. In another dept at work, they have a sign over their sink that says,
    "Your mother doesn't work here, so CLEAN UP THE MESS".

    I kid the lady there about how the sign ls lying, because her mom _does_
    work there, in _our_ department!

    And to beat everything, her _brother_ also works in their dept! Talk
    about nepotism!

    But, but.. A Moebius strip does have two sides...






    If you count the edge.. ;-)
     
  13. John Fields

    John Fields Guest

     
  14. Pooh Bear

    Pooh Bear Guest

    And the kline bottle ?


    Graham
     
  15. Greg Neff

    Greg Neff Guest

    I Googled "semiconductor logo finder" , because I remembered that my
    old IC Masters had logo finders. Hit #1 took me here:

    http://www.chipdocs.com/logos/logotypes.html

    Page 3 shows the 'S' logo, and it is identified as SemiWell
    Semiconductor:

    http://www.semiwell.com/

    Once there I found this:

    http://www.semiwell.com/triac/data/img34/STN1A60-80 forming.pdf

    Mystery solved.


    Hit #2 led to a more complete IC logo finder:

    http://www.elnec.com/iclogos_l.php


    ================================

    Greg Neff
    VP Engineering
    *Microsym* Computers Inc.
     
  16. EN

    EN Guest

    .... snip ...
    Rich, This seems odd. I see parts all day long. It's suppose to be
    'Year' 'Week' , ex. 1989 , 23rd week of year = 8923.
    Not the other way around. For 2002 and 34th week = 0234.
    When was the date code designation changed?
    What body of standards regulation specified the change?

    regards EN
     

  17. Thanks Greg. That's what I was looking for. Googled some time around, found
    a bunch of logos but not the right one. Matter of search string of course.

    Also wish to thank all the others that tried to help.

    petrus bitbyter
     
  18. I agree. But it is what Rich said, apart from being a 600 V device
    rather than 60 V.
     
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