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How does a Metal Film resistor look different to a Metal Oxide Resistor?

Discussion in 'Electronic Basics' started by royalmp2001, May 13, 2006.

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  1. royalmp2001

    royalmp2001 Guest

    Thanks for your help, folks....
     
  2. Phil Allison

    Phil Allison Guest



    ** It is indicated on the box they come in -

    you Google Groper fuckwit .




    ........ Phil
     
  3. Chris

    Chris Guest

    The difference is under the conformal coating. They might look the
    same, although many metal oxide resistors are made for higher voltage,
    and are sometimes larger.

    The metal film (or the metal oxide film) is sputtered on the body of
    the resistor, and then trimmed up to value (laser trimmed or,
    surprisingly on larger resistors, sometimes by simple abrading) before
    being coated. The metal itself is an alloy, and the line between metal
    film and metal oxide film isn't all that definite.

    If you're wondering, look at the ohmic value of the resistor you're
    trying to replace. If it's physically small and high ohms (over 1
    meg), it's probably metal oxide. But you choose the resistor based on
    the ohmic value, the wattage, the tolerance, the drift specs, and the
    voltage withstand capability. The composition of the resistor metal is
    what works.

    Possibly you might want to offer a more descriptive question, like:

    * Do you know any or all of the above choice parameters?

    * Is this a repair/replacement issue, a design issue, or are you just
    asking?

    Good luck
    Chris
     

  4. I'm sure the box you came in was marked "toxic waste"


    --
    Service to my country? Been there, Done that, and I've got my DD214 to
    prove it.
    Member of DAV #85.

    Michael A. Terrell
    Central Florida
     
  5. John Fields

    John Fields Guest

     
  6. Pooh Bear

    Pooh Bear Guest

    One's got slanty eyes ! ;-)

    Graham
     

  7. Before, and after! ;-)


    --
    Service to my country? Been there, Done that, and I've got my DD214 to
    prove it.
    Member of DAV #85.

    Michael A. Terrell
    Central Florida
     
  8. Phil Allison

    Phil Allison Guest

    "Michael A. Terrell" = ASD fucked, schizo



    ** I'm damn sure the box they bury this manic, psychotic **** in will be
    marked "toxic waste".







    ......... Phil
     

  9. How did the sex change turn out, and are you making any money from
    the sailors yet?


    --
    Service to my country? Been there, Done that, and I've got my DD214 to
    prove it.
    Member of DAV #85.

    Michael A. Terrell
    Central Florida
     
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