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Re: gEDA-user: TOP-3 package

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Subject: Re: gEDA-user: TOP-3 package
From: "John Luciani" <jluciani@xxxxxxxxx>
Date: Sun, 4 Mar 2007 08:26:52 -0500
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On 3/4/07, Igor2 <igor2@xxxxxxxxxxx> wrote:

Hi,

Local electronics store sells BD249 and BD250 with TOP-3 packages. The
datasheets I found on the web say BD249 is SOT-93. I can't find
footprints for either pkg in PCB or gedasymbols.org; does anyone know an
equivalent footprint I could use?


You may be able to modify a TO220 footprint. Are you going to stand the part up
or lie it down? Are you going to use a heatsink? Will the heatsink be
on the board
or off?

There are package dimensions for the TOP-3 in the datasheet at
www.st.com/stonline/books/pdf/docs/7469.pdf

Some links to manufacturer package specifications are below. For the
power packages I would try IR, Onsemi and National first.

http://www.nxp.com/package
http://focus.ti.com/general/docs/packaging.jsp
http://www.maxim-ic.com/design/packaging/
http://www.national.com/packaging/folders/pkg_index.html
http://www.irf.com/package/
http://www.onsemi.com/PowerSolutions/supportTechDoc.do?id=1165
http://www.analog.com/Analog_Root/Packages/Packages_Home/
http://www.linear.com/designtools/PkgInfo.jsp

(* jcl *)

--
http://www.luciani.org


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References:
- gEDA-user: TOP-3 package
  - From: Igor2

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