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From: Klaus Vestergaard Kragelund <klauskvik@hotmail.com>
Newsgroups: sci.electronics.design
Subject: Re: Domestic sources
Date: Sat, 9 Nov 2024 00:18:23 +0100
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On 08-11-2024 01:46, john larkin wrote:
> On Thu, 7 Nov 2024 17:09:02 -0700, Don Y <blockedofcourse@foo.invalid>
> wrote:
> 
>> An old client dropped me a line (I have no idea how he managed
>> to find valid contact information!  I will have to look into that...)
>>
>> He was concerned over the possibility of "import duties" levied
>> on the components in one of the devices Id designed for him.
>>
>> To be honest, I've never looked at WHERE a component was sourced
>> as part of the selection process.  <frown>
>>
>> My advice to him was essentially that of how one would handle
>> an obsolete component:
>> - redesign the hardware with necessary substitutions
>> - port the software to accommodate any necessary changes
>> - update production documents
>>
>> Porting the software is, by far, the easiest and shortest effort (as
>> it was designed and written with this as a goal).
>>
>> Updating production documents/procedures should be a no-brainer.
>>
>> And, the hardware redesign should be easy -- EXCEPT for the
>> added task of identifying component sources (country of origin).
>>
>> I figure 3 man months for the whole exercise -- assuming domestic
>> sources are available for all components.  So, it should be
>> relatively easy to put a price tag on that effort -- even if
>> taken in anticipation of a future problem.
>>
>> Are folks undertaking such analysis?  Or, waiting to see what
>> ACTUALLY happens?  (Politicians are renowned for making all sorts
>> of claims and not following through -- has anyone seen that check
>>from Mexico for the wall?)
> 
> There are companies that do such an analysis as a service, including
> second sources and part end-of-life estimates. I can't recall a name
> just now.
> 

Silicon Expert seems to be more or less industry standard.

https://www.siliconexpert.com/

It integrates with major tools. You pay for the number of unique lines 
in the BoM, so it can "pay" to remove the typicals, that you are sure 
never will be a problem (surface mount resistors, caps etc)