[sdiy] rare component sourcing: UTSource

Graham Atkins gatkins at blueyonder.co.uk
Wed Feb 17 00:52:15 CET 2010


Thats good to know, fake chips are a sign of the times and even the best
distributors are not immune to the occasional problem.

Graham

On 16 Feb 2010, at 22:10, David Ingebretsen wrote:

> I've found UTSource to be very honest. In a recent "group" buy of  
> MN3005
> chips, the first batch they shipped were fine. The second batch from a
> different supplier were fake. UTSource found a different source and  
> replaced
> all the fake one which were sent. Their problem is that they are a  
> middle
> man. The don't have the wherewithal to test the variety of chips  
> they sell.
> They ask their sources to verify them, but, yes they do fall prey to
> counterfeits. That said, they have always  made good on the products  
> they
> sell.
>
> David
>
> David M. Ingebretsen M.S., M.E.
> Collision Forensics & Engineering, Inc.
> 2469 East Fort Union Blvd. STE 114
> Salt Lake City, UT 84121
> www.CFandE.com
>
> 801 733-5458 Office
> 801 842-5451 Cell
>
> dingebre at CFandE.com
> dingebre at 3dphysics.net
>
>
>
> ~~ -----Original Message-----
> ~~ From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
> ~~ bounces at dropmix.xs4all.nl] On Behalf Of Electronic Battle
> ~~ Sent: Tuesday, February 16, 2010 2:02 PM
> ~~ To: Graham Atkins
> ~~ Cc: Synth-diy at synth-diy.org
> ~~ Subject: Re: [sdiy] rare component sourcing: UTSource
> ~~
> ~~ That's interesting to note. My matched pairs all measured OK when I
> ~~ checked
> ~~ them for pinout and Hfe, so that gave me the confidence to purchase
> again.
> ~~ Perhaps they themselves have fallen victim to copies? I shall try  
> them
> ~~ again
> ~~ for rare items though, and keep my fingers crossed!
> ~~
> ~~
> ~~
> ~~ ----- Original Message -----
> ~~ From: "Graham Atkins" <gatkins at blueyonder.co.uk>
> ~~ To: "Electronic Battle" <electronicbattle at googlemail.com>
> ~~ Cc: <Synth-diy at synth-diy.org>
> ~~ Sent: Tuesday, February 16, 2010 8:42 PM
> ~~ Subject: Re: [sdiy] rare component sourcing: UTSource
> ~~
> ~~
> ~~ This company came under scrutiny a while back. They claim to  
> stock the
> ~~ UA726, and they have a picture of the device with the date code  
> 0214
> ~~ suggesting it was made in 2002.
> ~~ However evidence seems to show that manufacturing finished back  
> in the
> ~~ late 70's or early 80's.
> ~~
> ~~ Graham
> ~~
> ~~ On 16 Feb 2010, at 20:25, Electronic Battle wrote:
> ~~
> ~~ > Hello
> ~~ >
> ~~ > I was after some matched pairs - couldn't find them at  
> sensible  prices
> ~~ so
> ~~ > I decided to chance my arm with www.utsource.net who are  based  
> in
> ~~ China,
> ~~ > Singapore, HK and possibly USA too.
> ~~ >
> ~~ > I got a competitive quote which, with postage to the UK, came  
> to  about
> ~~ > £20 for three components of MAT-02. I wasn't able to find them   
> cheaper
> ~~ > elsewhere.
> ~~ >
> ~~ > They got shipped for about £4 and they were sent on 2/2/10,  
> turning  up
> ~~ > today 16/2/10.  I wasn't sure aboout them but now I am - I'd  
> use  them
> ~~ > again so I thought my reassurance may help other people who   
> might be
> ~~ > after the odd semiconductor now and then.
> ~~ >
> ~~ > EB
> ~~ > _______________________________________________
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> ~~ > Synth-diy at synth-diy.org
> ~~ > http://synth-diy.org/mailman/listinfo/synth-diy
> ~~
> ~~
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