We needed to do a bit of training on some DIP parts, so for some "dummies" I bought one of the cheapest things I could find at DigiKey.  Turned out to be a 74HC14 part, and they cost 0.29 in 50pc quantity.

<I have copied Steve on the pix so hopefully he can get links up to them>

The first picture shows the surface of the parts.  They all look identical.  The tops have been selectively sandblasted, then a laser marking machine was used to put a new marking on them.  Seemed like a good chance the parts were counterfeit, so I authorized using acid for decapsulation to check out the die face.  The second picture shows that the wafer masks were created by the manufacturer listed on the re-label, anyway.

Now if I paid 0.29, DigiKey is probably paying about 0.15.  How can anybody go through this and make money?

Wayne Thayer



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