Very interesting, I am not familiar with this item and apparently the company that bought scott's odds n ends does not have a web site. Do I see one TVS totally blown apart and 3-4 fried?
As you continue your investigation, I am sure many of us with discrete TVS units installed would like to learn more on what you find. The common wisdom I thought I had read was a TVS likes to fail open so you don't know they are not working. these did the opposite big time it appears. if not too much of a pain, how were these connected to your layout?
