Cursitor Doom wrote:
On Mon, 04 Apr 2016 07:32:13 +0000, frank wrote:

I guess that nobody would really bother to fake an LM317, it's
inexpensive and still in production, so why even think about that?

You would think so, wouldn't you? But someone's done it:
https://www.youtube.com/watch?v=vlw88Fq5SmA

that's what I said... empty case is the only way to gain from fake LM317.
If it even does what's supposed to do, it's not likely to be a fake.

Frank IZ8DWF