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RF CHOkes 560uh

Discussion in 'Electronic Components' started by spock, Jan 16, 2005.

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  1. spock

    spock Guest

    Howdy folks
    I have a problem I need to find at least 9off 560uh rf chokes about the
    size of a 1/4 w resistor. Nobody I have tried has them, can somone help?

    Thank Lee.
     
  2. Boris Mohar

    Boris Mohar Guest

    What current carrying capacity? What maximum resistance can you tolerate?



    Regards,

    Boris Mohar

    Got Knock? - see:
    Viatrack Printed Circuit Designs (among other things) http://www.viatrack.ca

    void _-void-_ in the obvious place
     
  3. spock

    spock Guest

    less than 100ma as for maximum resistance its only driving a reed switch so
    I am uncertain.
     
  4. Guest

    Mouser Part # 43LS564
    http://www.mouser.com/catalog/specsheets/114301.pdf
     
  5. Boris Mohar

    Boris Mohar Guest

  6. Ross Herbert

    Ross Herbert Guest


    Boris, if your assumption is correct one might ask "how does the OP
    intend to cram a reed contact through a rf choke the size of a 1/4
    watt resistor?" Surely he is not that optimistic?

    If the OP was trying to find a "reed operating coil" I hardly think he
    would have specified an "rf choke the size of a 1/4 watt resistor". My
    reading of his request is that he is just looking for an rf
    suppression choke to connect in series with the reed operating coil.
     
  7. Boris Mohar

    Boris Mohar Guest

    H also said "its only driving a reed switch.."
    --
     
  8. spock

    spock Guest

    Yes I am looking for a rf choke the size of a 1/4 watt resistor, to more
    precise I looking for 9 chokes.
    They used in series with a Darlington transistor collector and is driving a
    reed switch. I need these to repair a control board for a PLL. I hope this
    clears that up.
     
  9. Boris Mohar

    Boris Mohar Guest

    Never seen that. What is the purpose of the choke? Do you have a flyback
    diode across the reed coil?
     
  10. Jamie

    Jamie Guest

    i have seen that before, a choke used in series to the coil of a reed
    relay when passing R.F. through the contacts of the reed.
    the coil around the read is acting like a transformation effect of
    EMF.
     
  11. Guest

    So, will the part I posted work for you?
    It seems to have been lost in the debate
    about craming a reed switch through the
    size of a 1/4 watt resistor.
     
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