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IPC-7351 & IPC-7352 Standard SMD Terminal Leads

Printed From: PCB Libraries Forum
Category: Libraries
Forum Name: PCB Library Construction Guidelines
Forum Description:
URL: https://www.PCBLibraries.com/forum/forum_posts.asp?TID=3369
Printed Date: 12 Oct 2024 at 3:14pm


Topic: IPC-7351 & IPC-7352 Standard SMD Terminal Leads
Posted By: Tom H
Subject: IPC-7351 & IPC-7352 Standard SMD Terminal Leads
Date Posted: 07 Apr 2024 at 1:13pm
Here are the 15 Standard Surface Mount Terminal Lead Forms represented in the IPC-7351 and IPC-7352. 

The first bend in the lead is referred to as the Knee. The second bend is the Heel and the end of the lead is the Toe. 

For Grid Array and BTC leads, the solder joint goal is a Periphery. 





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Replies:
Posted By: Tom H
Date Posted: 07 Apr 2024 at 1:19pm
The anatomy of the human leg is used to determine the Surface Mount Toe and Heel of the solder joint definition. 




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Posted By: circuits
Date Posted: 13 Aug 2024 at 6:39am
The IPC-7351 and IPC-7352 standards are essential guidelines for SMD (surface mount device) terminal leads, providing comprehensive recommendations for the design, placement and soldering of components on PCBs. These standards ensure consistency and reliability in the manufacturing process, which is crucial for maintaining product quality.

In my recent blog post on https://discrete.co.in/blog/ipc-standards-for-pcb-manufacturing-and-assembly" rel="nofollow - IPC Standards for PCB Manufacturing and Assembly , I examined these guidelines in more detail, including best practices for adhering to them in your designs. If you are interested in a deeper dive into how IPC standards can improve your PCB manufacturing and assembly processes, you may find it helpful.



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