[TriEmbed] When not to use Chinese knockoffs...

[Scott Hall]

Interesting that GE requires 100% parts testing of their suppliers paid for
a done by the suppliers themselves, but does not offer the same level of
assurance for their own parts going to others.

- sgh

On Tue, May 2, 2017 at 1:29 PM, Scott Hall <scottghall1 at gmail.com> wrote:

> My professional guess is that the no-name parts are the rejects or
> out-of-spec parts from the primary brands' production lines.  So that
> wouldn't make them "knockoffs" so much as "rejects".  There is no way to
> tell if you are getting a reject part because it has probably gone through
> the production labeling and packaging process anyway.
>
> Where I used to work, they had to test every inbound part, and if not
> practical (tape reel, etc) test every soldered board to find the "radical"
> parts before assembly.  This makes for very inefficient production testing
> and drives the COGS up.
>
> Just for information, you can expect about 4-5% defect rate from a good
> supply of parts.  When you start seeing 25-50% defects you know you've been
> ripped off.
>
> - sgh
>
> On Tue, May 2, 2017 at 1:16 PM, Scott Hall <scottghall1 at gmail.com> wrote:
>
>> 🤔
>>
>> On Tue, May 2, 2017 at 12:01 PM, Jeffrey Crews <cruzetti at gmail.com>
>> wrote:
>>
>>> So where are all the good, non-knockoff components manufactured?
>>>
>>> On Tue, May 2, 2017 at 11:54 AM, Mauricio Tavares via TriEmbed <
>>> triembed at triembed.org> wrote:
>>>
>>>> My favourite picture is the fake capacitor.
>>>>
>>>> On Tue, May 2, 2017 at 11:49 AM, Scott Hall via TriEmbed <
>>>> triembed at triembed.org> wrote:
>>>>
>>>>> Cheap electrolytic capacitor..
>>>>>
>>>>> ATMEGA1288 from Arduino Mega clone...
>>>>>
>>>>> A really slow-blow fuse...
>>>>>
>>>>> Battery regulator
>>>>>
>>>>> --
>>>>> Scott G. Hall
>>>>> Raleigh, NC, USA
>>>>> scottghall1 at gmail.com
>>>>>
>>>>> _______________________________________________
>>>>> Triangle, NC Embedded Computing mailing list
>>>>> TriEmbed at triembed.org
>>>>> http://mail.triembed.org/mailman/listinfo/triembed_triembed.org
>>>>> TriEmbed web site: http://TriEmbed.org
>>>>>
>>>>>
>>>>
>>>> _______________________________________________
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>>>>
>>>
>>
>>
>> --
>> Scott G. Hall
>> Raleigh, NC, USA
>> scottghall1 at gmail.com
>>
>
>
>
> --
> Scott G. Hall
> Raleigh, NC, USA
> scottghall1 at gmail.com
>



-- 
Scott G. Hall
Raleigh, NC, USA
scottghall1 at gmail.com
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