PCB Libraries Forum : Standard Chip Component Dimensions https://www.PCBLibraries.com/forum/ Mon, 20 Apr 2026 17:42:29 +0000 Sat, 30 Oct 2021 17:52:12 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.07 360 https://www.PCBLibraries.com/forum/RSS_post_feed.asp?TID=1729 <![CDATA[PCB Libraries Forum]]> https://www.PCBLibraries.com/forum/forum_images/PCBLForumLogo.gif https://www.PCBLibraries.com/forum/ <![CDATA[Standard Chip Component Dimensions : Then you never downloaded and...]]> https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post12007.html#12007 Author: Tom H
Subject: 1729
Posted: 30 Oct 2021 at 5:52pm

Then you never downloaded and installed our V2021 Footprint Expert program. 

All the information is available to you for free. 

www.pcblibraries.com/downloads

]]> Sat, 30 Oct 2021 17:52:12 +0000 https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post12007.html#12007 <![CDATA[Standard Chip Component Dimensions : Dear Sirs,I&#039;m studying SMD...]]> https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post12006.html#12006 Author: Arquimedes
Subject: 1729
Posted: 30 Oct 2021 at 4:28pm

Dear Sirs,

I'm studying SMD Technology and do not understand what SOD-123 means. 

I know that this is a diode packaging specification (Small Outline Diode). But the number 123? 

I cannot find any documents on the internet about this package.  

I will appreciate your comments. 

Thanks in advance.

]]> Sat, 30 Oct 2021 16:28:25 +0000 https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post12006.html#12006 <![CDATA[Standard Chip Component Dimensions : Almost all the standard components...]]> https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7269.html#7269 Author: BrockParry
Subject: 1729
Posted: 11 Oct 2015 at 6:37am

Almost all the standard components have their standard component size included in all CAD softwares.
If you are not able to find the footprint of your component then you can make it yourself.
Simply observe the dimensions of your component and add it to the list and use it.

pcb assembly
]]> Sun, 11 Oct 2015 06:37:09 +0000 https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7269.html#7269 <![CDATA[Standard Chip Component Dimensions : Thanks for your sharing. ]]> https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7091.html#7091 Author: drj-bbe
Subject: 1729
Posted: 12 Jul 2015 at 7:48pm

Thanks for your sharing.]]> Sun, 12 Jul 2015 19:48:48 +0000 https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7091.html#7091 <![CDATA[Standard Chip Component Dimensions : That is the correct table for...]]> https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7090.html#7090 Author: Tom H
Subject: 1729
Posted: 12 Jul 2015 at 7:30pm

That is the correct table for the 2010 version of IPC-7351B.
 
For your 0603, it falls in the large component type and the same solder joint rules apply in both the IPC-7351B and IPC-7351C.
 
Here is the updated table for IPC-7351C and this is in V2015.15 of Library Expert Pro, Lite and Viewer for the smaller chip sizes.
 
As you can see, 0402, 0201 and 01005 have different Toe goals to prevent tomb-stoning.
 
 
]]> Sun, 12 Jul 2015 19:30:37 +0000 https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7090.html#7090 <![CDATA[Standard Chip Component Dimensions : Thanks for your information. There...]]> https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7089.html#7089 Author: drj-bbe
Subject: 1729
Posted: 12 Jul 2015 at 7:03pm

Thanks for your information.
 
There is a principles in IPC-7351B for 0603 component below. It seems different with the table you provided.  The current principles will be replaced by new technology, right?
 
]]> Sun, 12 Jul 2015 19:03:30 +0000 https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7089.html#7089 <![CDATA[Standard Chip Component Dimensions : This is new (unreleased) technology...]]> https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7087.html#7087 Author: Tom H
Subject: 1729
Posted: 10 Jul 2015 at 8:56am

This is new (unreleased) technology that we are testing this summer. It might be added to IPC-7351C but IPC wants it fully tested first.
 
I am a CIT trainer and teach hand soldering techniques to students.
 
The J-STD-001 has guidelines for minimum and maximum solder joint goal ranges. Every Terminal Lead form has it's specific percentages for pad size calculations. Example: Gull Wing lead is based on percentage of the pin pitch.
 
I'm just giving you a glimpse of the near future that you will not find in any publication today, will be in every standard next year.
 
]]> Fri, 10 Jul 2015 08:56:23 +0000 https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7087.html#7087 <![CDATA[Standard Chip Component Dimensions : Many thanks for your feedback...]]> https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7086.html#7086 Author: drj-bbe
Subject: 1729
Posted: 09 Jul 2015 at 8:40pm

Many thanks for your feedback on this.
 
In order to understand fully the table you provided, I tried to find the table in IPC-J-STD-001F, but not see it. For 2016 J-STD-001, is it new version?
 
I didn't find it in IPC website, only find F version.
]]> Thu, 09 Jul 2015 20:40:31 +0000 https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7086.html#7086 <![CDATA[Standard Chip Component Dimensions : Here is the 2016 J-STD-001 SMD...]]> https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7085.html#7085 Author: Tom H
Subject: 1729
Posted: 09 Jul 2015 at 8:09pm

Here is the 2016 J-STD-001 SMD Proportional pad stack table for pad size calculations for Chip components. The Courtyard Excess has a 0.25 mm limiter on it, but all the percentages and values are user definable.
 
 
Good luck with finding a single footprint to successfully accommodate every 0603 package. The Height is the main driver of this component lead form.
 
Issue: if you use a 0603 land pattern considering the highest package, you may be dumping too much solder on an 0603 that is 50% of that height, introducing potential tomb-stoning.
 
This new Proportional SMD technology will be available in the V2016 Library Expert.
 
]]> Thu, 09 Jul 2015 20:09:57 +0000 https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7085.html#7085 <![CDATA[Standard Chip Component Dimensions : Sorry, I just want to use the...]]> https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7084.html#7084 Author: drj-bbe
Subject: 1729
Posted: 09 Jul 2015 at 6:14pm

Sorry, I just want to use the same footprint for every 0603 Capacitor and Resistor regardless of their tolerance and package height.
]]> Thu, 09 Jul 2015 18:14:38 +0000 https://www.PCBLibraries.com/forum/standard-chip-component-dimensions_topic1729_post7084.html#7084