Re: hobby electronics

On 7/7/2024 10:43 AM, Edward Rawde wrote:

When I worked as a designer I came across fake parts a few times. One reel
if devices was SO8 and the devices were marked with the correct number but
the manufacturer didn't make that part in SO8. So it wasn't hard to spot the
fake. Another reel of devices did have the correct part number on the
correct package but it was anybody's guess what chip was actually in the
package.

I had a client contact me about a problem he was having with some
other design (not one of mine).  Begrudgingly, I offered to help
(I don't like having to troubleshoot other designs as you never
know the quality of the design/designer).
It quickly became apparent that one device was bad in every sample.
On closer inspection, there was no die *in* the package!
["Talk to your purchasing guy about where he 'found' these.  And, make
sure he never 'finds' anything else, there!"]