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resistor

Discussion in 'General Electronics Discussion' started by conntaxman, Apr 10, 2013.

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  1. conntaxman

    conntaxman

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    Jun 17, 2011
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,496
    2,837
    Jan 21, 2010
    2.7k is a standard resistor value.

    Where have you seen 2k? It's not a standard value until you get to E96 series.

    2.7k is really easy to find. I'm not sure that any of my local suppliers would actually stock a 2k resistor (even though they have 1% resistors that are E96 series)
     
  3. conntaxman

    conntaxman

    89
    0
    Jun 17, 2011
    tks steave. i was all ready to put two 1k in series to make that. Im glad that I asked.
    he should have just put 2.7k
    thank you very much.
    John
     
  4. davenn

    davenn Moderator

    13,833
    1,950
    Sep 5, 2009
    1k5
    2k7
    5k6 etc etc is a VERY common and pretty much standard way of writing resistor values one character less taking up less space on what can often be full and complex circuit diagrams

    the other very common way is just to use digits
    1k = 102
    2k7 = 272
    5k6 = 562
    10k = 103
    100k = 104 etc etc

    Dave
     
  5. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,496
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    Jan 21, 2010
    Also a bad copy can make the decimal point disappear, or someone (manually) copying it might change 2.7k to 27k. 2k7 is safer from both perspectives.
     
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