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Silicon Labs tuners in single quantities

Discussion in 'Electronic Design' started by Newsreader, Oct 2, 2011.

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  1. Newsreader

    Newsreader Guest

    Hello,

    I'm trying to purchase a Si4731 in single or low quantities but everywhere I
    look they are only available with a minimum order quantity of several
    hundreds. Obviously, this is not an option for a hobbyist trying to build
    his own Hifi tuner.Silicon Labs does not sample these devices either.

    Anyone have an idea where one could order these in single quantities?
     
  2. The Si473x is a family of receiver chips. The Si4735 supports all the
    functions of the Si4730, the Si4731 and the Si3734. It's sold by Farnell
    (maybe amongst others.)

    petrus bitbyter
     
  3. John S

    John S Guest

    Sure. If they had them in stock.
     
  4. At the time of this writing they claim to have 364 in stock. Next day
    delivery. Maybe in Europe only?

    petrus bitbyter
     
  5. Desoldering this type of packages requires special hot air tools and even
    then you cannot be sure to remove the chip undamaged. Soldering a chip like
    that manualy is also difficult as the chip has a large solderpad in its
    center. FAIK this pad is used for cooling so a bad contact may let the chip
    fry itself.

    petrus bitbyter
     
  6. John S

    John S Guest

    I searched for the 4731 only. My bad.

    John S
     
  7. Fred Abse

    Fred Abse Guest

    If it's available from Farnell, in Europe, it should be available through
    Newark, in the USA, unless there's some franchise territorial thing
    stopping it.
     
  8. Newsreader

    Newsreader Guest

  9. Newsreader

    Newsreader Guest

    These tuner IC's are available from many vendors, just not in single
    quantities. The minimum order quantity is 300 pieces.
     
  10. Well, I'm glad to offer you Si4735 chips. Only E30,- (thirty Euro) a piece
    in quantities of at least one piece :)

    petrus bitbyter
     
  11. Fred Abse

    Fred Abse Guest

    Newark: Farnell UK direct ship. $11.76 each plus $20.00 handling, once
    per order.

    Minimum order quantity 1.

    Newark part number 85R5559
     
  12. Newsreader

    Newsreader Guest

    Just found this one:

    http://www.sparkfun.com/products/10227

    Thaniks for the help everyone!
     
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