[sdiy] Counterfeit chips

[ben bwise]

Iv'e bought Honkongsupersellers knobs and they are fine, low grade ,
but I know they are imitations of boss/fender etc knobs.  compared to
the real ones they are pretty close

thanks for the heads-up about the mn3xxx though I was thinking about buying some

-Ben (Mr Clack)



On Nov 14, 2007 7:24 PM,  <jays at aracnet.com> wrote:
> Even though this is a few years old this is one of my favorities. Especially the first paragraph.
>
> <http://www.edn.com/article/CA497033.html?text=counterfeit>
>
> Jay S.
>
>
> Tom Wiltshire wrote:
>
> > Hello All,
> >
> > I recently received the following warning from someone who I'd
> > contacted trying to get hold of old CEMs:
> >
> > > Please particularly be aware of a new batch of cem3374 counterfeits
> > > that have just been coming out the last month.
> > > Also, IR3R01, IR3R05, SN76477N.
> > >
> > > The cem3374 all (so far) appear to be date '93 which should be a
> > > give away and have no part number.
> > > The IR3R01 and IR3R05 can be distinguished because they do not have
> > > a 'oval cut' shape to the face of the IC such as all of that series
> > > had.
> > > The SN76477N can be determined by a TI symbol embossed in the right
> > > corner but no standard date code.
> > >
> > > So please take care and anytime feel free to enquire on items.  I
> > > spend a lot of time and have people here dedicated to finding out
> > > this information for this reason.
> >
> > I don't want to spread rumours, and obviously I have no other
> > confirmation of this, but I'm bringing it to your attention. You
> > choose how seriously you take it. It's wise to at least be aware.
> >
> > T.
> >
> >
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