Component Identification.

Discussion in 'General Electronics Chat' started by R!f@@, May 20, 2016.

  1. R!f@@

    Thread Starter AAC Fanatic!

    Apr 2, 2009
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    I attached a picture of a component that I never came across before.
    Any one care to identify this. Unk.jpg
     
  2. MrChips

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    Oct 2, 2009
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    100ns delay line?
     
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  3. R!f@@

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    Really ?
     
  4. GopherT

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    I would guess it is a 100nF cap with an "S" tolerance factor (+/-22%), just a guess. What does your capacitance meter say?

    image.jpg
     
  5. Kermit2

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    Feb 5, 2010
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    I add my vote for a delay line.

    Does it ohm out steady, or rising like a cap?
     
  6. dl324

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    Mar 30, 2015
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    +1 for capacitor.

    I have a box of these 2.2nF 1KV caps:
    upload_2016-5-20_8-24-4.png
     
    Last edited: May 20, 2016
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  7. R!f@@

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    I did not check with DMM.
    Will do tomorrow and post back

    PS. Will you believe if I say that I have been using this component for like 20 years. o_O
    Unknown to me that it is there doing what it does in my PSU :p
     
  8. benta

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    Dec 7, 2015
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    It's a 100 nF ceramic multilayer decoupling cap.
    I remember these from the 80/90's, manufacturer was Siemens in those days (I think).
    The S is the voltage, in this case probably 50 V.

    Benta.
     
  9. panic mode

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    Oct 10, 2011
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    +1 for cap... i must have tons of them from the old days...
     
  10. benta

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  11. ericgd

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    May 20, 2016
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    This is a conductor (or resistor). "S" stands for "Siemens."
     
  12. R!f@@

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    A conductor ???? o_O

    100 nano Siemens ???

    I need to go back to Engineering School.:eek:
     
  13. ericgd

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    May 20, 2016
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    for conducting heat.
     
  14. R!f@@

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    Come again !

    What heat ? And where ?
     
  15. grahamed

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    Jul 23, 2012
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    LOL. 100 nano Siemens would be 10Mohm I think, which would be easy to check, unless it is a leaky 100nF cap.....I am voting for cap - leaky or not.
     
  16. ian field

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    Oct 27, 2012
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    The ones of those I've seen plenty of were all capacitors.

    100n is sufficient to give a kick on high Ohms range on an analogue meter.

    Some types of continuity testers with LED indicator will blink if you test a cap with them.
     
  17. GopherT

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    At 10M Ohms, more like resisting the conduction of heat. Good electrical conductor = good heat conductor. There are a few exceptions but it is a good general rule. BN, diamond, SiC are notable exceptions.
     
  18. Lestraveled

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    May 19, 2014
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    +1 for a capacitor.

    A delay line would require a third terminal (ground).

    S is the tolerance
     
  19. benta

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    Dec 7, 2015
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    I give up.
    Once again: it's a Siemens Sibatit 100 nF multilayer ceramic cap.

    Period.
     
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  20. R!f@@

    Thread Starter AAC Fanatic!

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    Yaaaay!

    It's a cap.
    Meter shows 97.5nF.
    Continuity shows nothing.

    Can I replace it with a monolithic ceramic ?
    I'm going to remake the old PSU. It's like more than 20 years. But a very reliable one.

    PSU.jpg
     
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