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SMD package confusion

Former Member

I am confused by the packages in the smd-ipc.lbr.  For instance C0402 is

2.0 mm X 1.0 mm but the standard package for an 0402 capacitor according

to Kemet is 1.0 mm X 0.5 mm.

--

John Bachman, W1JGB

AnaTek Corporation

 

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  • On 8/12/2010 10:11 AM, John Bachman wrote:

    I am confused by the packages in the smd-ipc.lbr.  For instance C0402 is

    2.0 mm X 1.0 mm but the standard package for an 0402 capacitor according

    to Kemet is 1.0 mm X 0.5 mm.

     

    Generally you would want the lands to be a little larger than the

    component, if the lands were the same size as the termination faces of

    the component you would not achieve proper solder fillets.

     

    Good question though.

     

    Ryan

     

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  • On 8/12/2010 10:11 AM, John Bachman wrote:

    I am confused by the packages in the smd-ipc.lbr.  For instance C0402 is

    2.0 mm X 1.0 mm but the standard package for an 0402 capacitor according

    to Kemet is 1.0 mm X 0.5 mm.

     

    Generally you would want the lands to be a little larger than the

    component, if the lands were the same size as the termination faces of

    the component you would not achieve proper solder fillets.

     

    Good question though.

     

    Ryan

     

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