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Help Identify Component

Discussion in 'General Electronics Discussion' started by Samsam, Nov 12, 2016.

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  1. Samsam

    Samsam

    3
    0
    Nov 12, 2016
    Can anyone help me identify the brown component and what the numbers represent. From the research that I've done the closes thing that I found to this is a "Polyester Capacitor".
    IMG_0670.JPG
     
  2. Minder

    Minder

    3,093
    664
    Apr 24, 2015
    0.1μf.
    Is this part of a relay/contactor coil snubber? If so the operating voltage of the circuit it is in will give you an idea of voltage rating.
    Do you suspect it bad, as it appears to be OK condition?
    M.
     
  3. Samsam

    Samsam

    3
    0
    Nov 12, 2016
    Yes it is a part of a contactor coil, the coil is 120 ac volts. Yes I do suspect it is bad tested it for continuity and and got no response. What is the proper name for this component. have to buy one anyway as I have broken a prong off of it. What do the term "snubber" means?
     
  4. duke37

    duke37

    5,364
    772
    Jan 9, 2011
    1 is one
    0 is zero
    4 is 0000
    so 100,000pF or 100nF or 0.1μF
    I think the K is the type of insulation and the 630 is probably the permitted voltage.

    There should be NO DC connection through it, it is a capacitor
     
  5. davenn

    davenn Moderator

    13,837
    1,951
    Sep 5, 2009
    it shouldn't have continuity ... it's a capacitor

    as minder said it looks in good condition, when these type of caps fail, it's usually catastrophically and VERY obvious
     
  6. Minder

    Minder

    3,093
    664
    Apr 24, 2015
    As already pointed out, it will show no continuity, it is a capacitor.
    A snubber is a term for a suppression device connected across an AC inductive device such as this case where it seems it could be across the contactor coil, the contactor or? It will operate without it, just that you may get an inductive spike when the coil releases.
    It is equivalent to the reverse EMF diode on a DC device.
    There should be a resistor in series with it, normally.
    What are the symptoms that make you suspect it?
    I could not upload a pdf as it is too large unfortunately, Google Snubber.
    M.
     

    Attached Files:

    davenn likes this.
  7. davenn

    davenn Moderator

    13,837
    1,951
    Sep 5, 2009

    that was the reason
     
  8. davenn

    davenn Moderator

    13,837
    1,951
    Sep 5, 2009
  9. Samsam

    Samsam

    3
    0
    Nov 12, 2016
    As you can tell I'm not electronically savvy, but I learn quickly. I've tested everything in the circuit and not knowing what this component do I decided to investigate. You have been a great help in explaining this to me. thanks
     
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