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'[EE] Digikey accuracy and QC??'
2010\05\12@120707 by Spehro Pefhany

picon face
Received these two items this morning!

http://www.speff.com/img002.jpg
http://www.speff.com/img003.jpg

A piece of leader tape and some ferrite "capacitors"...

Anyone else having similar problems? They never used to make
this sort of error.

>Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
spam_OUTspeffTakeThisOuTspaminterlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com



2010\05\12@121539 by Herbert Graf

picon face
On Wed, 2010-05-12 at 12:09 -0400, Spehro Pefhany wrote:
> Received these two items this morning!
>
> http://www.speff.com/img002.jpg

It's the latest technology: invisible resistors!! Why are you
complaining? :)


2010\05\12@122547 by Ariel Rocholl

flavicon
face
So these are the famous memristors...

Now seriously, DK has been reported in the list to make too many mistakes
too often in recent months.

2010/5/12 Herbert Graf <.....hkgrafKILLspamspam@spam@gmail.com>

> On Wed, 2010-05-12 at 12:09 -0400, Spehro Pefhany wrote:
> > Received these two items this morning!
> >
> > http://www.speff.com/img002.jpg
>
> It's the latest technology: invisible resistors!! Why are you
> complaining? :)
>
>
> -

2010\05\12@123029 by Sean Breheny

face picon face
Yes, I have had this kind of problem recently (got a USB cable instead
of a heatsink) and I agree, it never used to happen.

Sean


On Wed, May 12, 2010 at 12:09 PM, Spehro Pefhany <speffspamKILLspaminterlog.com> wrote:
{Quote hidden}

>

2010\05\12@123905 by Marcel Duchamp
picon face
On 5/12/2010 9:09 AM, Spehro Pefhany wrote:
> Received these two items this morning!
>
> http://www.speff.com/img002.jpg
> http://www.speff.com/img003.jpg
>
> A piece of leader tape and some ferrite "capacitors"...
>
> Anyone else having similar problems? They never used to make
> this sort of error.
>
>> Best regards,
>
> Spehro Pefhany --"it's the network..."            "The Journey is the reward"
> EraseMEspeffspam_OUTspamTakeThisOuTinterlog.com             Info for manufacturers: http://www.trexon.com
> Embedded software/hardware/analog  Info for designers:  http://www.speff.com

I saw three cases like this last fall on three separate orders.  Two of
which discovered at the assembly house ;<

They are either slipping or one of their competitors hired someone to
work in Digikey's warehouse...

2010\05\12@125420 by David Challis

face picon face
I spoke with a Digikey representative a couple of months ago about the
increasing error rate.  Apparently, as the economy slowed two years ago,
they shrunk their headcount to match the reduced order volume.  With the
improving business climate, they have started hiring again, but it takes
many months to properly train a new hire.  They employ over 3000.  They
realize they have a problem, and are trying to do everything they can to
correct the situation.  Time will tell.

Dave Challis

> I saw three cases like this last fall on three separate orders.  Two of
> which discovered at the assembly house ;<
>
> They are either slipping or one of their competitors hired someone to
> work in Digikey's warehouse...
> --

2010\05\12@132944 by Mike Hord

picon face
DK is pretty local to me (just upstate), and I recently saw a bit on them in
the local paper.

The gist was that they are having trouble right now filling job slots- they
basically said they'd hire some hundreds of people today if they could
find qualified people to fill them.

To me that says two things: they are understaffed and some of the people
they are hiring are right on the fringe of being competent for the job they
have been given.

I expect time will set things aright.

Mike H.

On Wed, May 12, 2010 at 11:54 AM, David Challis <dchallisspamspam_OUTcox.net> wrote:

{Quote hidden}

> -

2010\05\12@133145 by Tamas Rudnai

face picon face
This is actually a "fortunate mistake" if we can say so. If you receive a
different value smd cap you might hardly realise why your device fails...
maybe after good few hours of scratching the head.

Tamas


On Wed, May 12, 2010 at 5:54 PM, David Challis <@spam@dchallisKILLspamspamcox.net> wrote:

{Quote hidden}

> -

2010\05\12@134521 by Sean Breheny

face picon face
Don't you mean unfortunate mistake?

On Wed, May 12, 2010 at 1:31 PM, Tamas Rudnai <KILLspamtamas.rudnaiKILLspamspamgmail.com> wrote:
> This is actually a "fortunate mistake" if we can say so. If you receive a
> different value smd cap you might hardly realise why your device fails...
> maybe after good few hours of scratching the head.
>
> Tamas
>
>

2010\05\12@134704 by Sean Breheny

face picon face
I think that Digikey used to employ about 1/3rd of the employable
workforce in Thief River Falls, MN. I'm surprised that they can't just
re-hire the people they let go before. They must still be around, and
the only jobs there are DK, Arctic Cat, and miscellaneous service
jobs.

Sean


On Wed, May 12, 2010 at 12:54 PM, David Challis <RemoveMEdchallisTakeThisOuTspamcox.net> wrote:
{Quote hidden}

>

2010\05\12@140212 by Tamas Rudnai

face picon face
On Wed, May 12, 2010 at 6:45 PM, Sean Breheny <spamBeGoneshb7spamBeGonespamcornell.edu> wrote:

> Don't you mean unfortunate mistake?
>

Unfortunate would have been when you can't easily tell if the component is
the right one (like unmarked smd caps, you would not tell at the first
glance if you got the 100nF or the 1uF). When you can spot the difference
straight away (like missing components or different once), then you can
correct the order before you populate the components onto your board --
hence I would call that case as "fortunate mistake". Of course, the best
case would have been no mistake at all...

Tamas


>
> On Wed, May 12, 2010 at 1:31 PM, Tamas Rudnai <TakeThisOuTtamas.rudnaiEraseMEspamspam_OUTgmail.com>
> wrote:
> > This is actually a "fortunate mistake" if we can say so. If you receive a
> > different value smd cap you might hardly realise why your device fails...
> > maybe after good few hours of scratching the head.
> >
> > Tamas
> >
> >
> -

2010\05\12@141225 by Spehro Pefhany

picon face
At 01:45 PM 12/05/2010, you wrote:
>Don't you mean unfortunate mistake?

Do you wish us ill? It's an immediately obvious mistake. That's *good*.

Worst case (for example, if a supplier shipped a 100pF instead of a
1uF bypass cap, it might actually work most of the time and result in
extremely expensive returns from the field, damaged reputation etc.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
RemoveMEspeffspamTakeThisOuTinterlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com



2010\05\12@151700 by Sean Breheny

face picon face
Sorry, I misread your email. When you said "this is actually a
fortunate mistake" I thought that "this" referred to what you
mentioned next (receiving a different value smd cap).

Sean


On Wed, May 12, 2010 at 2:02 PM, Tamas Rudnai <tamas.rudnaiEraseMEspam.....gmail.com> wrote:
{Quote hidden}

2010\05\12@155211 by Tamas Rudnai

face picon face
On Wed, May 12, 2010 at 8:16 PM, Sean Breheny <RemoveMEshb7EraseMEspamEraseMEcornell.edu> wrote:

> Sorry, I misread your email. When you said "this is actually a
> fortunate mistake" I thought that "this" referred to what you
> mentioned next (receiving a different value smd cap).
>

No, maybe I was not clear, sorry about that.

Tamas



{Quote hidden}

> -

2010\05\12@162716 by Alan B Pearce

face picon face
> Unfortunate would have been when you can't easily tell if the component is
> the right one (like unmarked smd caps, you would not tell at the first
> glance if you got the 100nF or the 1uF).

We had this happen. And with space qualified components, bought from a
surplus components company. At least we caught it before the 1000 or so caps
all got fitted. Still had to change a 100 or so though.

2010\05\13@020255 by Wouter van Ooijen

face picon face
> It's the latest technology: invisible resistors!! Why are you
> complaining? :)

And everyone knows current and voltage can be exchanged, so sending
coils instead of capacitors is perfectly normal.

--

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: http://www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: http://www.voti.nl/hvu

2010\05\13@020512 by Wouter van Ooijen

face picon face
no, unfortunate would be a different-valued component in the same
unmarked housing.

> Don't you mean unfortunate mistake?
>
>> This is actually a "fortunate mistake" if we can say so. If you receive a
>> different value smd cap you might hardly realise why your device fails...
>> maybe after good few hours of scratching the head.

--

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: http://www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: http://www.voti.nl/hvu

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