PCB land pattern standard

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hellen

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dear fridends:


now I am looking for the pcb land pattern standard.
who could tell me the standards(except the IPC-SM-782) or share with me?
thanks!

 

if the part is a standard package part, I use what is in the library of the cad system, if I have to create the foot print I follow the manufactures guide-line in the data sheets.

pd


hellen said:
dear fridends:


now I am looking for the pcb land pattern standard.
who could tell me the standards(except the IPC-SM-782) or share with me?
thanks!

Click to expand...
 

hellen said:
dear fridends:
now I am looking for the pcb land pattern standard. who could tell me the standards(except the IPC-SM-782) or share with me? thanks!
Click to expand...

you can get more information from **broken link removed** but the IPC recommendations are the most logical and best documented.

If you do not want to follow a standard then you can of course use your own such as

manufacturer_type_pins_shape_packageno

like PH_24_400mildil_phso24

Biggest problem you will find is that most manufacturer has used their own method of package naming so a 14_SOIC for philips might not be same as for ti.

:R
 

i found it here today.
h**p://www.trax.co.za/IPC/IPC-SM-782A(L).PDF
 

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