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Explain Custom Padname

Printed From: PCB Libraries Forum
Category: PCB Footprint Expert
Forum Name: Questions & Answers
Forum Description: issues and technical support
URL: https://www.PCBLibraries.com/forum/forum_posts.asp?TID=1087
Printed Date: 19 Nov 2024 at 2:21am


Topic: Explain Custom Padname
Posted By: PLTcbv
Subject: Explain Custom Padname
Date Posted: 21 Aug 2013 at 2:04am
If I create a TAB padstack for a TO, DPAK shape in PCB LE Lite and built a padstack with Expedition ASCII output I get "r612_555m622_565p6xr147_192"
 

 
The paste mask name is  6xr147_192. This is a custom pad in Expedition with the name "COMPLEX 5.552X4.7 A26.0944 S6".
 
Please explain the custom pad syntax.



Replies:
Posted By: Tom H
Date Posted: 21 Aug 2013 at 6:42am
r612_555m622_565p6xr147_192
 
r = rectangle
612_555 = length_width of pad
m = solder mask
622_565 = length_width of solder mask
p = paste mask
6x = 6 paste mask objects
r = rectangle
147_196 = size of each paste mask rectangle
 
You need to download the IPC-7351 padstack naming convention here - http://www.pcblibraries.com/forum/ipc7x51-padstack-naming-convention-metric-units_topic36.html" rel="nofollow - Padstacks
 


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Posted By: PLTcbv
Date Posted: 21 Aug 2013 at 6:53am
Tom, I think you misunderstood me.

The explanation is for the generated custom pad with the name COMPLEX 5.552X4.7 A26.0944 S6.
Can you explain this syntax?


Posted By: Tom H
Date Posted: 03 Sep 2013 at 2:31pm
No, where did that come from?
 


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Posted By: PLTcbv
Date Posted: 03 Sep 2013 at 11:22pm
This is the custom pad shape name in Expedition when used with ASCII input from LE Lite.

Maybe Chris can answer this question.


Posted By: chrisa_pcb
Date Posted: 04 Sep 2013 at 9:51am
Originally posted by PLTcbv PLTcbv wrote:

Tom, I think you misunderstood me.

The explanation is for the generated custom pad with the name COMPLEX 5.552X4.7 A26.0944 S6.
Can you explain this syntax?
Length X Width with an area of 26.0944, 6 squares.
 
Its simply a way of differentiating that complex padstack from others.
 


Posted By: PLTcbv
Date Posted: 04 Sep 2013 at 11:10pm
Thanks Chris.

The Length, Width and 6 squares where clear.
Only the A26.0944 was puzzling me.
Now it is clear.



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