Skip to main content
Mobile menu
PCB Design
Altium Designer
World’s Most Popular PCB Design Software
CircuitStudio
Entry Level, Professional PCB Design Tool
CircuitMaker
Free PCB design for makers, open source and non-profits
Why Switch to Altium
See why and how to switch to Altium from other PCB design tools
Solutions
For Enterprise
The Last Mile of Digital Transformation
For Parts and Data
Extensive, Easy-to-Use Search Engine for Electronic Parts
Altium 365
Resources & Support
Explore Products
Free Trials
Downloads
Extensions
Free Altium 365 Tools
Online PCB Viewer
Resources & Support
Renesas / Altium CEO Letter To Customers
All Resources
Support Center
Documentation
Webinars
Altium Community
Forum
Bug Crunch
Ideas
Training & Education
Professional Training / Certification
Comprehensive Career Training for Altium Software and Design Tools
University/Educators & Students
Academic Licenses, Training, Sponsorships and Certificates for Higher Education
Store
Search Open
Search
Search Close
Sign In
Content
SMT Rules
Old Content - visit
altium.com/documentation
Modified by Susan Riege on Aug 5, 2015
Parent page:
Design Rules Reference
SMD To Corner
SMD To Plane
SMD Neck-Down
SMD Entry
You are reporting an issue with the following selected text and/or image within the active document:
Comment
*