All consumer electronic devices I bought failed within a few years often mechanically often pushbuttons and notoriously USB sockets.
What difference does it make?

Im not contract supplier to sensible industries no certificate not even a label I often use korean noodles foil since these are aluminium coated.

The TMS9900 parts I have definitely have been reworked.
A batch of 2732A has suspiciously large dies looking at the date code and except one the whole batch = duds.

Ive handled some 1000s of PDIP40 vintage ICs and according to era and manufacturer they indeed have very specific appearance.
You could learn a lot from such ICs which naturally have aged.

Ive seen SN76489 which have modern laser marking and also look fresh probably they produced some of these freshly.
If these are forgeries quality is very high and they seem to be functional.

Most my ICs either are known NOS or from serious distributors atm I only have some from chinese distributors,

I dont plan to certify or even to label shipments or give invoice or supply to sensible customers with guarantee.

So there are just plain screws or washers costing USD 3 or even special 1n4148 editions costing 12 dollars they have their customers for some reasons.

If youd be Millionaire youd like to stay Millionaire old technology to disappear so you can sell your new products but authority control and bureaucracy is not all that tight.

In our retail shops we have plenty crap electronic goods as mentioned you cant get good USB yokes here they all fail after weeks to month, the OEM kinds from phones do last considerably long time but I had heaps of them at times twisted together and non working for data.

Commercial Sony phone didnt even last a year in terms of connector.
Wifi speaker ball, USB connector broke off after two weeks.
E cigarettes leaking not only the cheap kinds.

Not to speak travel adapters sold here a serious risk for plain common people to use.

But its a small economy oh I forget card readers the most expensive 20 Euro kinds internally the same as 1.50 kind even worse not gold plated. Probably distributed faulty product on purpose. I bought countless card readers over the years.

So as for our market its all counterfeit products definitely but has nothing to do with my tradings (by the way).

Its of course a different story a contractor supplies hydraulic parts for aviation and theyre a substandard sold as something else that would be deliberate counterfeiting off the street markets here bad quality and early failure is nothing special over the years you just learn to live with it.

As mentioned the SONY USB connector developing problems after a few months and after less than a year finally the fine parts inside the sockets breaking and deliberately made in a way you cant replace it.

I think ICs costing some cents new are not so much affected or even not at all.

Some transistor kinds like the old S8550 is now produced by India company I think no longer freshly made by japanese the original price was quite high but the India parts are spot cheap.

Counterfeit would be to sell as genuine Toshiba (when they arent).

It really depends on the individual parts. The 8080 I have look genuine to me they are just made from specific epoxy and it looks very specific as well 8086 logo is very specific ive seen variants 80862 and 8086-2

Many are just pulls while others were delivered in genuinely looking plastic bars (manufacturer matching) even cardboard boxes from ST and so on.

Maybe you could see the wrong spelling on the TMS9900 ICs photo still a few pieces but who cares this parts is long time end of life and for really genuine TMS9900 youd have to pay a very high price. Theres not really a big market for many of these parts just some buyers but globally quite limited.

Some parts I have I do know and believe its true they are OEM and come from discontinued production lines OK who would forge Futaba VFD Glass? They are so pretty much filigrane inside. But the radio tuners matching no longer made not to speak VCRs. VCRs are gone from market for a number of years.

If you dont know the parts you sell or dropship or even have little clue electronics, Id say sooner or later you end up with counterfeits.

 

Google it and you can find reports from reputable sources. There are organizations in addition to NASA investigating counterfeit parts. NASA and the US Military are especially vigilant because it can be a matter of life and death for them or cost hundreds of millions of dollars.

NASA
Brian Hughitt
Office of Safety and Mission Assurance:
08_Hughitt_Counterfeit Electronics - All the World's a Fake.pdf

US Dept of Energy
Office of Nuclear Safety (AU-30)
Office of Environment, Health, Safety and Security (AU)
U.S.Department of Energy
1000 Independence Avenue, SW
Washington, DC 20585
counterfeitDOE-HDBK-1221-2016.pdf

SMTA International Conference
Harold “Woody” Hewett
Electro-Comp Services, Inc.
Clearwater, FL, USA
whewett@electro-comp.com
methods_detection_counterfeit_components_smta.pdf

Components Technology Institute Inc.
Counterfeit Components Avoidance Program
counterfeitCCAP-101InspectExamplesA6.pdf

Before reading all these pdf, I was thinking like what takao21203 has said.

Imagine how many PCBs were junked from non-working equipments and factory-rejected. I was also thinking that if was not worth the efforts to get so little profits out of so much labour and work. But to the poor people in Far East and China, a US dollar is 4 to 10 times their money. If they can earn US$ 1.00 per day, may be it is enough to feed the whole family for a day.

Now my concern is .... Will I get a LM358 and inside is actually a NE555 from a junked board? Do they really care about the contents of the chips?

Allen

 

Now my concern is .... Will I get a LM358 and inside is actually a NE555 from a junked board? Do they really care about the contents of the chips?

What surprises me is how far they'll go to counterfeit something that most people wouldn't think would be financially worthwhile.

I've seen power transistors that had a small signal transistor die mounted. Large electrolytic caps that had a smaller cap soldered to the terminals. One AAC member bought some temperature sensors that ended up being transistors.

The IC's that are salvaged and relabeled could be anything that was in the same package, so your hypothetical LM358 could be a NE555. They don't care what's actually in the chip; they just match package characteristics.

Another issue is that when the parts are salvaged, I doubt that they care if ESD sensitive devices are damaged. Or that they function at all.

I became more acutely aware of the counterfeiting problem when I purchased some 64GB microSD cards on AliExpress. I was suspicious when I received them and they looked like SanDisk. I found a program that checked the card for it's actual capacity; which was 8GB. Trying to use more than the actual capacity would have caused existing data to be overwritten.

I bought an ignition switch for one of my cars on Amazon. I found out after I installed it that it was counterfeit; it even had the BMW logo on it. It's a big job to remove and replace, so it's still in my car. At least I know the failure symptoms.

I used to buy semiconductors on eBay from Sellers who appeared to buy in bulk, repackage, and sell in smaller quantity. Now I only buy things that look like odd lots or company inventory being sold.

I have a report from the US Senate Armed Services Committee that said they found more than 1800 cases of counterfeit components ending up in US military equipment.

I also saw a report that said some country cancelled an order for some Russian MIGs because some were found to have counterfeit components.
EDIT: Add link

There are cases where a manufacturer legitimately remarks parts, but they're the exception.

EDIT: Sometimes the counterfeiters will include some genuine parts in a lot, so finding counterfeits would require 100% incoming testing. Not a very attractive option for 1% metal film resistors; which counterfeiters will make from 5% carbon film that have been remarked.

 

What surprises me is how far they'll go to counterfeit something that most people wouldn't think would be financially worthwhile.

I've seen power transistors that had a small signal transistor die mounted. Large electrolytic caps that had a smaller cap soldered to the terminals. One AAC member bought some temperature sensors that ended up being transistors.

The IC's that are salvaged and relabeled could be anything that was in the same package, so your hypothetical LM358 could be a NE555. They don't care what's actually in the chip; they just match package characteristics.

Another issue is that when the parts are salvaged, I doubt that they care if ESD sensitive devices are damaged. Or that they function at all.

I became more acutely aware of the counterfeiting problem when I purchased some 64GB microSD cards on AliExpress. I was suspicious when I received them and they looked like SanDisk. I found a program that checked the card for it's actual capacity; which was 8GB. Trying to use more than the actual capacity would have caused existing data to be overwritten.

I bought an ignition switch for one of my cars on Amazon. I found out after I installed it that it was counterfeit; it even had the BMW logo on it. It's a big job to remove and replace, so it's still in my car. At least I know the failure symptoms.

I used to buy semiconductors on eBay from Sellers who appeared to buy in bulk, repackage, and sell in smaller quantity. Now I only buy things that look like odd lots or company inventory being sold.

I have a report from the US Senate Armed Services Committee that said they found more than 1800 cases of counterfeit components ending up in US military equipment.

I also saw a report that said some country cancelled an order for some Russian MIGs because some were found to have counterfeit components.
EDIT: Add link

There are cases where a manufacturer legitimately remarks parts, but they're the exception.

EDIT: Sometimes the counterfeiters will include some genuine parts in a lot, so finding counterfeits would require 100% incoming testing. Not a very attractive option for 1% metal film resistors; which counterfeiters will make from 5% carbon film that have been remarked.

To a certain extent, as for private customers, this is makebelieve concerted by millionaires who want to stay millionaires. We have our consumer goods market flooded with substandard goods anyway.

As for SD cards its worth it but for small parts not really and no you couldnt feed a family for a dollar the chinese now are at the USD 5 level approx. Of course in some districts they dont get hourly wage by contract they get paid by what they can salvage.

Theres plenty genuine scrap, PCBs, appliances no need to rework ICs.

Of course when theres a contract and the part costs 20x as much because the spec. or grade, its tempting to take a regular part and rework it.

Its corrupt officers who are into it and its known and done on purpose and nothing new

 

So yes i have at least one IC kind that has been reworked for cosmetic reasons btw Philippines is not easygoing Switzerland cottage holiday real destination at present.

Btw you didn't answer my requests instead start a new topic it's a violation.

The thread is request information for ICS where attempting to find a data sheet yields no result and btw the ICS i sell are not desoldered and are not the kinds on the photos most of these are Google result and quite recent i have my doubts they're from a couple of years ago

As from my experience the Google yield every few months is something new and something else and old photos sink into oblivion.

I've googled for my own data quite a few times so this is how i know about that

Most established distributors have pretty closed loop trade relationships. For military aviation life support every semi manufacturer declares you need to negotiate with them directly and what on earth not with a drop shipper from China.

To make a point i have some parts coming from us military workshops simply no longer needed leftover from projects for instance digikey is quite common

You pay a price to them and they supply the correct parts and still you need to negotiate explicitly for certain use scenarios of the parts

 

so ive spent several days to sort ICs I didnt sort so far (bcz lack of time), and for the first time ever, Ive put labels on the drawers bcz it has become too much for me to remember.

I have made good progress so far.

Sorry I dont have many counterfeit ICs and would like to ask to discuss this in your own thread. Its interesting but putting this into my thread is a violation.

Youre just antagonizing.

The next IC

SN29769P2 (a PDIP8) I have 150 or so but didnt find any datasheet.

Theres several obscure ICs only a few pieces they all been put into compartments in recent days and seperated.

So more requests will be added here and since youre Experts for decades brimming with knowledge, Id assume you know at least some of these IC.

Its too much effort to separate these soviet ICs they are on offer as lots.

They are not counterfeit they are knock offs.

 

Btw read the thread title again youre clearly off topic i haven't asked for this information

You vandalized my thread with your paranoid agenda