IPC Standard for Footprint Naming Convention

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   Does someone know if IPC-7451 standard footprint naming convention of library component name (assembly from schematic symbol and PCB decal)? 

I'm asking because in DesignSpark PCB there is only 30 characters for component name. It's a little bit (if you want to fit component properties, and manufacturer part number in the component name).

Alternatively please let me know how do you treat this topic in your libraries?

Best Regards,
Mariusz

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mes mariusz Members Profile Send Private Message Find Members Posts Add to Buddy List Active User Joined: 08 Mar 2014 Location: Polska Status: Offline Points: 10	Post Options Post Reply Quote mes mariusz Report Post Thanks(0) Quote Reply Topic: IPC Standard for Footprint Naming Convention Posted: 21 Aug 2015 at 2:19pm
	Does someone know if IPC-7451 standard footprint naming convention of library component name (assembly from schematic symbol and PCB decal)? I'm asking because in DesignSpark PCB there is only 30 characters for component name. It's a little bit (if you want to fit component properties, and manufacturer part number in the component name). Alternatively please let me know how do you treat this topic in your libraries? Best Regards, Mariusz



Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5718	Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 21 Aug 2015 at 3:48pm
	The IPC-7351 naming convention is here - http://www.pcblibraries.com/forum/ipc7351-footprint-naming-convention_topic479.html Most IPC-7351 footprint names are 30 characters or less (except BGA's). However, Library Expert allows the user to edit the footprint name.
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mes mariusz Members Profile Send Private Message Find Members Posts Add to Buddy List Active User Joined: 08 Mar 2014 Location: Polska Status: Offline Points: 10	Post Options Post Reply Quote mes mariusz Report Post Thanks(0) Quote Reply Posted: 21 Aug 2015 at 3:56pm
	PCB footprint naming, OK, I know it's under IPC direction. But what about component naming (one PCB footprint can be used in many components). I know it is out of Library Expert (only footprints under Library Expert) but in general - how it works? Are there any rules for component naming? Or is it completly out of control in EDA world? Or maybe other users could share their experiences in this topic?

Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5718	Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 21 Aug 2015 at 4:24pm
	Every company has their own unique naming convention for multiple source packages sharing the same footprint. There is no IPC standard for that or in any other standard. You have to go through the process of vendor selection and then consider all the individual tolerances and create a custom footprint that will accommodate all the options. Many companies assign a Corporate Part Number as the footprint name and keep a record of all approved vendors for that pattern.
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