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Need help finding a potentiometer

Discussion in 'General Electronics Discussion' started by Chupacabra, Apr 3, 2013.

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  1. Chupacabra

    Chupacabra

    3
    0
    Apr 3, 2013
    Hi. Im new here. I have a small potentiometer that i need to replace but i'm having a difficult time figuring out what the numbers on it mean. I'm hoping someone can help me identify it. I've included some pictures. Thanks for your help
     

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    Last edited: Apr 3, 2013
  2. Electrobrains

    Electrobrains

    259
    5
    Jan 2, 2012
    503 stands for 50k Ohm (50*10^3)
    "C" I think points to that it's a logarithmic potentiometer (?)

    EDIT: The best is to measure it. With a Digital Multimeter you measure the outer two pins (should be approx. 50k Ohm).
    Put the potentiometer in the middle position and measure the middle pin towards the two outer pins. If the resistance is approx. 25kOhm, the potentiometer is linear. If there is a big difference, the potentiometer is logarithmic.
     
    Last edited: Apr 3, 2013
  3. Chupacabra

    Chupacabra

    3
    0
    Apr 3, 2013
    Thanks for your help. Any idea what the upside down numbers are? There are number on one of the other sides too, 3360. Any idea what that means? Thanks for your help!
     
  4. Electrobrains

    Electrobrains

    259
    5
    Jan 2, 2012
    Ok, that number tells it all!
    Here is the data sheet: 3360 - 6 mm Square Sealed Panel Control
    The potentiometer is 50k linear.
     
  5. Chupacabra

    Chupacabra

    3
    0
    Apr 3, 2013
    Awesome, Thanks for your help!
     
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