A few weeks ago I put a post up concerning an OC alarm on a Yaskawa 626MT AC spindle drive. This is in an SL-1A Mori lathe. A couple days ago I took some time to examine the drive. I found that there are 4 "threaded base" style diodes that are cooked. They will not read continuity in either direction. Each one is a little different. My problem is I can only find data on the smallest ones, the larger ones are proving more problematic.
All are Toshiba:
12JH11 and 12GH11 (can find info on these, only difference is polarity)
30JH11 and 30GH11 (can't even find a hint of info on these)
I'm not necessarily looking for used or NOS units, I'd prefer new components with similar ratings.