PCB Libraries Forum : Dimensions for Terminal and Component Outlines https://www.PCBLibraries.com/forum/ Wed, 15 Apr 2026 07:22:42 +0000 Mon, 08 Jul 2019 12:56:30 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.07 360 https://www.PCBLibraries.com/forum/RSS_post_feed.asp?TID=2508 <![CDATA[PCB Libraries Forum]]> https://www.PCBLibraries.com/forum/forum_images/PCBLForumLogo.gif https://www.PCBLibraries.com/forum/ <![CDATA[Dimensions for Terminal and Component Outlines : I looked at the through-hole calculators...]]> https://www.PCBLibraries.com/forum/dimensions-for-terminal-and-component-outlines_topic2508_post10346.html#10346 Author: Tom H
Subject: 2508
Posted: 08 Jul 2019 at 12:56pm

I looked at the through-hole calculators and most of the component families only require "Maximum Dimensions". This includes, Axial, DIP, SIP, Header, etc. 

Because the through-hole calculators only require Maximum dimensions, that's the only thing we have to go by. 

This is the reason why the Maximum Body value is used on the Component Body Outline. 

]]> Mon, 08 Jul 2019 12:56:30 +0000 https://www.PCBLibraries.com/forum/dimensions-for-terminal-and-component-outlines_topic2508_post10346.html#10346 <![CDATA[Dimensions for Terminal and Component Outlines : Was this done for some reason...]]> https://www.PCBLibraries.com/forum/dimensions-for-terminal-and-component-outlines_topic2508_post10338.html#10338 Author: Batiskaff
Subject: 2508
Posted: 03 Jul 2019 at 9:06am

Was this done for some reason in calculator?
]]> Wed, 03 Jul 2019 09:06:12 +0000 https://www.PCBLibraries.com/forum/dimensions-for-terminal-and-component-outlines_topic2508_post10338.html#10338 <![CDATA[Dimensions for Terminal and Component Outlines : I just noticed that Library Expert...]]> https://www.PCBLibraries.com/forum/dimensions-for-terminal-and-component-outlines_topic2508_post10332.html#10332 Author: Batiskaff
Subject: 2508
Posted: 03 Jul 2019 at 12:09am

I just noticed that Library Expert calculator uses maximum values of body dimensions for terminal and body outlines in all Through Hole families except Crystal(HC49). In SMD families used nominal values.
]]> Wed, 03 Jul 2019 00:09:16 +0000 https://www.PCBLibraries.com/forum/dimensions-for-terminal-and-component-outlines_topic2508_post10332.html#10332 <![CDATA[Dimensions for Terminal and Component Outlines : Thank you for help. ]]> https://www.PCBLibraries.com/forum/dimensions-for-terminal-and-component-outlines_topic2508_post10331.html#10331 Author: Batiskaff
Subject: 2508
Posted: 02 Jul 2019 at 2:17pm

Thank you for help.]]> Tue, 02 Jul 2019 14:17:09 +0000 https://www.PCBLibraries.com/forum/dimensions-for-terminal-and-component-outlines_topic2508_post10331.html#10331 <![CDATA[Dimensions for Terminal and Component Outlines : Nominal dimensions are used for...]]> https://www.PCBLibraries.com/forum/dimensions-for-terminal-and-component-outlines_topic2508_post10330.html#10330 Author: Tom H
Subject: 2508
Posted: 02 Jul 2019 at 2:11pm

Nominal dimensions are used for the Package Body outline and the Terminal Lead outlines and in the land pattern naming convention and the default 3D STEP model (except for Package Height). 

Rules are the same across all component families. 
]]> Tue, 02 Jul 2019 14:11:01 +0000 https://www.PCBLibraries.com/forum/dimensions-for-terminal-and-component-outlines_topic2508_post10330.html#10330 <![CDATA[Dimensions for Terminal and Component Outlines : Which are package dimensions are...]]> https://www.PCBLibraries.com/forum/dimensions-for-terminal-and-component-outlines_topic2508_post10329.html#10329 Author: Batiskaff
Subject: 2508
Posted: 02 Jul 2019 at 2:07pm

Which are package dimensions are preferred to use to draw the component and terminal outlines (nominal or maximal body dimensions)? 

Are the rules similar for SMD and PTH or not?

]]> Tue, 02 Jul 2019 14:07:03 +0000 https://www.PCBLibraries.com/forum/dimensions-for-terminal-and-component-outlines_topic2508_post10329.html#10329