You guys dissing the IRF510 should take another look at the link in this post: ?
/g/BITX20/message/34004Allison truly knows what she is talking about, in spite of the occasional auto-correction error.
The primary disadvantages are poor heat transfer and a tab that is connected to the drain instead of the source.
It's fine with a 24v supply, those 5w CB finals like the RD's are not.
Jerry