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Autodesk EAGLE
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Autodesk EAGLE
EAGLE User Support (English) Help with part creation in Eagle CAD
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Related

Help with part creation in Eagle CAD

Former Member
Former Member over 10 years ago

Can someone create a component layout for a Panasonic Snap in Capacitor 4 pin style. An example would be ECE-T1JP123EA. I cannot seem to figure out how to layout the two dummy pins based on the degrees in the component data sheet. Would appreciate an experiance Eagle user to provide one for me. Thank you.

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  • Former Member
    Former Member over 10 years ago +1
    Spencer Risck wrote: Can someone create a component layout for a Panasonic Snap in Capacitor 4 pin style. An example would be ECE-T1JP123EA. I cannot seem to figure out how to layout the two dummy pins…
  • shabaz
    0 shabaz over 10 years ago

    Hi,

     

    I'm not sure on the manner to specify a vector in EAGLE, but this method works:

     

    According to the datasheet, the diameter is 22.5 so the radius is 11.25mm

     

    The angle is 30 degrees:

    cos(30) is 0.866

    sin(30) is 0.5

     

    We need the X and Y co-ordinates (i.e. cartesian), let's take them from the origin.

    x is cos(30)*radius

    = 0.866*11.25

    = 9.74mm

     

    y is sin(30)*radius

    = 0.5*11.25

    = 5.625mm

     

    So, you'd draw a hole at (9.74 5.625) and the other one at (-9.74 5.625).

     

    You'd do a similar thing for any other angle.

     

    I have a C code routine saved up to help me, if I'm doing this many times. Probably a calculator with formulae

    is just as useful : )

     

    void

    vect_to_cart(double angle, double length, double *x, double *y)

    {

      double nx, ny;

      ny=0-cos(angle); nx=sin(angle);

      ny=ny*length; nx=nx*length;

     

    *y=ny; *x=nx;

     

    }

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  • Former Member
    0 Former Member over 10 years ago

    Spencer Risck wrote:

    Can someone create a component layout for a Panasonic Snap in

    Capacitor 4 pin style. An example would be ECE-T1JP123EA. I cannot

    seem to figure out how to layout the two dummy pins based on the

    degrees in the component data sheet. Would appreciate an experiance

    Eagle user to provide one for me. Thank you.

     

    It's simple, use the Polar coordinate method for defining a point.

     

    Start a new package.

    Enter into the command line the following

    GRID MM

    CHANGE DRILL 2

    PAD (P11.25  30)

    PAD (P11.25  90)

    PAD (P11.25  150)

    PAD (P11.25  270)

    CIRCLE (0 0)(0  17.5)

     

    That will give you the basics positioned correctly.

     

     

    HTH

    Warren

     

    --

    Viewed / responded via the newsgroup at

    news.cadsoft.de

     

     

     

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  • shabaz
    0 shabaz over 10 years ago in reply to Former Member

    Hi Warren,

     

    Thanks! This is excellent information : )

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