On many Hirose connectors, there is a cavity number on them. It's actually a letter, but the datasheet calls it a Cavity No.
Any idea what it is? Is it just a revision number ? That would seem redundant when they have a lot number already.
e.g., page 4 of this d/s
http://www.farnell.com/datasheets/2691091.pdfSomebody just finally bought some of those from me on eBay, and until I took out the microscope I wasn't actually sure I'd found the right part in my collection. I noticed mine say D35 on them.. so they are a D cavity.

