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Info on resistance

Discussion in 'Electronic Repair' started by Slang, Jul 15, 2004.

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  1. Slang

    Slang Guest

    red red gold gold gold (yes, three golds)
    What is its value?
    Thank you
    Slang
     
  2. Ross Herbert

    Ross Herbert Guest

    |red red gold gold gold (yes, three golds)
    |What is its value?
    |Thank you
    |Slang

    Have you thought of measuring its resistance and then deciphering
    whether the marking has any relevance or it is simply incorrect
    banding?
     
  3. RubbishRat

    RubbishRat Guest

    Bet it's 2.2R :^)
    Pete
     
  4. Slang

    Slang Guest

    If it was not broken......
     
  5. Slang

    Slang Guest

    Thank you, me too but there is too much gold .... (i have only seen two
    golds till now)
    Slang
     
  6. It's 0.22 ohms, 5%. The first Gold shifts it one decimal place, for
    2.2, the second Gold shifts it another decimal place, and the third is
    the tolerance.
     
  7. Sofie

    Sofie Guest

    The third band would be silver if it is really a 0.22 ohm value.
    My money is on the value of 2.2 ohms.
     
  8. Ross Herbert

    Ross Herbert Guest

    |
    |
    |Ross Herbert wrote:
    |> On Thu, 15 Jul 2004 16:10:33 GMT, Slang <>
    |> wrote:
    |>
    |> |red red gold gold gold (yes, three golds)
    |> |What is its value?
    |> |Thank you
    |> |Slang
    |>
    |> Have you thought of measuring its resistance and then deciphering
    |> whether the marking has any relevance or it is simply incorrect
    |> banding?
    |
    |If it was not broken......

    A highly relevant piece of information which you omitted from your
    initial post.....
    Sometimes it is possible to remove the paint from the broken ends and
    gain access to the resistive spiral (assuming a ceramic body) so that
    you can measure each part. I have done this myself.
     
  9. Slang

    Slang Guest

    Thank you so much, that was the right way!!!!
    2.2 ohms it's the value
    Slang
     
  10. Art

    Art Guest

    Presume .22ohm probably 1/4 - 1/2 watt @ 5% tolerance, measurement will
    clear up all doubts if you are able to read the initial value of the
    original.
     
  11. Bob Shuman

    Bob Shuman Guest

    I seem to recall reading somewhere that the 5th band (rarely used/seen) had
    to do something with long term reliability.

    This should be a 2.2 ohm 5% precision resistor given the gold multiplier and
    tolerance bands.

    Bob
     
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