Question About Dimensions Being Rounded-off in IPC

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   Hello Everyone,
I have a question regarding the rounding of dimensions based on the IPC-7351B standard for land pattern calculations.
Shouldn't the dimensions being rounded off be the final land pattern dimensions—overall length of the land pattern (Z), distance between lands in the pattern (G), and width of the land pattern (X)? Why is Library Expert rounding off the pad-to-pad spacing (C) and pad length (Y) instead?
Thank you!

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elibu123 Members Profile Send Private Message Find Members Posts Add to Buddy List New User Joined: 22 Aug 2024 Status: Offline Points: 2	Post Options Post Reply Quote elibu123 Report Post Thanks(0) Quote Reply Topic: Question About Dimensions Being Rounded-off in IPC Posted: 28 Aug 2024 at 12:40pm
	Hello Everyone, I have a question regarding the rounding of dimensions based on the IPC-7351B standard for land pattern calculations. Shouldn't the dimensions being rounded off be the final land pattern dimensions—overall length of the land pattern (Z), distance between lands in the pattern (G), and width of the land pattern (X)? Why is Library Expert rounding off the pad-to-pad spacing (C) and pad length (Y) instead? Thank you!



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: 5716	Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 28 Aug 2024 at 1:44pm
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