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123 Robotics Experiments HELP!

Discussion in 'General Electronics Discussion' started by Mr_mace, Feb 26, 2012.

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  1. Mr_mace

    Mr_mace

    5
    0
    Dec 27, 2011
    Hi people
    I live in England and recently bought the book which is name in the title. It says in there that i have to buy two resistors 220v i belive it is supposed to be ohms, Dual in line packagaes with 16 pins. I couldn't find the exact ones that are in the picture but i managed to find some DIL's?

    Now on the resistors that i bought it says on them 4116R-1-22LF and in the ones on the picture 4116R-1 221 is there a huge difference, will the circuit work or do they have to be identical?
     
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    11,012
    2,506
    Nov 17, 2011
    Are you sure, no typo?
    The datasheet (http://www.bourns.com/data/global/PDFs/4100R.pdf) says the third position (before the LF) should be 3 digits. So 220 would be 22 Ohms, 221 would be 220 Ohms and so forth.
    The suffix LF stands for Tin-plated (RoHS compliant version). This means that you may need a few degrees more heat on your soldering iron, but electrically it is irrelevant.

    Harald
     
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