Stack Exchange network consists of 178 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
View all activity pages
I'll be updating my own answer with information I find.
Basically, SMD number is the dimensions of the diode in tenths of millimeters. So SMD 5050 = 5.0mm x 5.0mm square diode. The larger ...