Counterfeit Parts from China

[Bitsyncmaster]

I got bit ordering some MOSFETs on EBay from China. Parts were sold as IRLB3034 which is a part number only registered to International Rectifier Corp. The parts were even marked with the IR symbol and shipped in tubes marked "International Rectifier".

But testing the parts, spec sheet says 0.020 ohms max with 4.5 volts on the gate, I got 0.064 ohms. Even ran the same test with a real part and got 0.017 ohms.

May not sound like much but if running 40 amps (fan relay) that difference would make the unit overheat and fail.

So watch what you order from China (LEDs come to mind). If you want real parts use vendors that are ISO certified which requires tracking where the parts come from.

[Tillsy]

Synthetic scotch, synthetic commanders...

[thirdmanj]

Synthetic scotch, synthetic commanders...
I see what you did there...
http://img.tapatalk.com/d/13/11/03/ubetanep.jpg

[DMCVegas]

Honestly can't say that I'm surprised at all. About a decade or so ago a group of people from Ford were at AAPEX (Automotive Aftermarket Products EXpo, or SEMA's sister convention for replacement parts) and they found a Chinese vendor that was displaying their replacement body and suspension parts with Ford proprietary part numbers and even Logo's molded in from where they made castings off of official FoMoCo replacement parts and the stamps transferred over.

The list of counterfeit items from China just goes on and on. Between counterfeit almost everything, tainted pet food killing animals, build quality that compromises safety, toxic toothpaste, and seafood being raised in water tainted by raw sewage, I pass on stuff from China whenever possible. Especially foodstuffs like canned fruit and vegetables (read the labels, you'll be surprised). And if it is a name brand something made overseas where I have no choice, I'll only buy from reputable vendors.

If it says China, you gotta watch out.

[NightFlyer]

Word...

http://www.cavemancircus.com/wp-content/uploads/images/2013/april/murica/murica_10.jpg

[Spittybug]

Slight tangent, but Chinese.... I was in Shanghai a couple of years ago to give a speech. I made an extended trip out of it and did some nice sightseeing and got to know the neighborhood I was staying in. I stayed in a Chinese hotel chain, not a big western one. I think it was about $35 a night with breakfast (some weird stuff, but not bad). Nice room, terrible view, but I had no safety concerns or anything. Anyway, before I left I went to one of the local supermarkets which is something I like to do wherever I go. It's neat to see all the different stuff that people eat. I looked at the booze isle and there was a whole section dedicated to this one kind (no way do I remember the name..) so I figured I should give it a try. I didn't pick the cheapest (which was nearly free), nor did I pick the most expensive, but I bought on the higher end which was still very, very cheap. I took it home. My buddy came over and we tried it together. NEVER IN MY ENTIRE LIFE HAVE I PUT SUCH VILE CRAP INTO MY MOUTH. We both immediately spat it out, considered fueling our cars with it and decided against that out of fear of what it might do to the poor things! The rest of the bottle went down the drain without hesitation. The wife complained about the stench for a week.

There is a reason you can't name a Chinese alcohol.

:vomit_3:

[LEVY]

I got bit ordering some MOSFETs on EBay from China. Parts were sold as IRLB3034 which is a part number only registered to International Rectifier Corp. The parts were even marked with the IR symbol and shipped in tubes marked "International Rectifier".

But testing the parts, spec sheet says 0.020 ohms max with 4.5 volts on the gate, I got 0.064 ohms. Even ran the same test with a real part and got 0.017 ohms.

May not sound like much but if running 40 amps (fan relay) that difference would make the unit overheat and fail.

So watch what you order from China (LEDs come to mind). If you want real parts use vendors that are ISO certified which requires tracking where the parts come from.

Ordered some very expensive SKF bearings from China (Four bearings$4000.00 + USD).

Shipped from China to Canada,then to USA

Bearings were confiscated by US Customs as counterfeit.

US Customs officials stated goods shipped from China to USA via Canada is a Red Flag, don't know why.

LEVY

[Bitsyncmaster]

Parts used for military must have tracking back to the manufacturer's supply. They have tried to get China to stop this but China will do nothing. It will turn out that nobody will buy from China in a few years. They are killing themselves. My parts came DHL and had no return address on the package.

[dustybarn]

I got bit ordering some MOSFETs on EBay from China. Parts were sold as IRLB3034 which is a part number only registered to International Rectifier Corp. The parts were even marked with the IR symbol and shipped in tubes marked "International Rectifier".

But testing the parts, spec sheet says 0.020 ohms max with 4.5 volts on the gate, I got 0.064 ohms. Even ran the same test with a real part and got 0.017 ohms.

May not sound like much but if running 40 amps (fan relay) that difference would make the unit overheat and fail.

So watch what you order from China (LEDs come to mind). If you want real parts use vendors that are ISO certified which requires tracking where the parts come from.

Yikes! Right down to fake IR markings and everything. I'll have to stick with Newark and Digi-Key from now on.

[Dangermouse]

Ordered some very expensive SKF bearings from China (Four bearings$4000.00 + USD).

Shipped from China to Canada,then to USA

Bearings were confiscated by US Customs as counterfeit.

US Customs officials stated goods shipped from China to USA via Canada is a Red Flag, don't know why.

LEVY

Our SKF rep told us similar stories. Bearings are actually marked as SKF with valid part numbers and are shipped in SKF branded boxes. The first they heard about it was when end users had failures and complained to SKF that their bearings were crap.

Our company president saw a copy of a rivals 3 -story 300 Ton roller mill with the original vendors name and logo still cast in 24" high letters as part of the design.

[Bitsyncmaster]

Ebay refunded my money for those counterfeit parts. It was a waste of money to use registered mail returning the parts since tracking always showed "in transit". My guess is tracking stops in China or the return address I got was not valid.

Now I'm very leery of buying any electronic items from China knowing how ramped counterfeit parts are there.

[LEVY]

Good thing about ebay/paypal, easy to get your money back!

LEVY

[eagle-co94]

I don't order anything made in China specifically because of the hassle. I don't trust anything coming from China, which is also why i have little faith in any product containing Chinese components. The only exception has been my Air Mags.

[NightFlyer]

When shopping on eBay, I usually limit my searches to North American sellers only :smile:

[LEVY]

When shopping on eBay, I usually limit my searches to North American sellers only :smile:

A lot of "North American" sellers also sell Chinese products, but at higher prices!

A lot of Chinese companies sell good quality products at very low prices, shipping is very inexpensive too!

LEVY

[NightFlyer]

A lot of "North American" sellers also sell Chinese products, but at higher prices!

A lot of Chinese companies sell good quality products at very low prices, shipping is very inexpensive too!

LEVY

Some of us are willing to pay more to get the product, regardless of where it's made (although I personally favor domestically produced when available), from a domestic retailer.

[eagle-co94]

Some of us are willing to pay more to get the product, regardless of where it's made (although I personally favor domestically produced when available), from a domestic retailer.

Some of us also know that sending as little money to China as possible and spending where possible on American made products will help keep Americans employed and ultimately help our economy...not to mention the environment. China is probably the worst country in the world for industrial waste and pollution.

[NightFlyer]

Some of us also know that sending as little money to China as possible and spending where possible on American made products will help keep Americans employed and ultimately help our economy...not to mention the environment. China is probably the worst country in the world for industrial waste and pollution.

Thanks - I would have included that part in my comment, but the last time I did, I was put on time-out for being political :dunno:

[eagle-co94]

I don't think it's politics when it's simple fact. I can back it all up with news articles but I'm sure everyone already knows, but just one for reference: http://www.telegraph.co.uk/news/worldnews/asia/china/8944028/One-third-of-Chinese-toys-contain-heavy-metals.html

[thirdmanj]

I don't think it's politics when it's simple fact. I can back it all up with news articles but I'm sure everyone already knows, but just one for reference: http://www.telegraph.co.uk/news/worldnews/asia/china/8944028/One-third-of-Chinese-toys-contain-heavy-metals.html

Yeah, he skirted it. Very well done too.

[Ron]

24014

[NightFlyer]

24014

That's it - you're being reported for making a political statement :tongue2:

J/K

Very nice and about time :aniclap:

[opethmike]

Have you ever considered flying during the day? Wouldn't that be much easier?

[Dangermouse]

Aston Martin even has these troubles:

http://www.bbc.co.uk/news/uk-england-coventry-warwickshire-26058905#

[eagle-co94]

That's awesome of Aston Martin. When's the last time you heard of a company ordering a recall BEFORE there were any reported accidents involving the defective parts?!

[Exolis]

That's awesome of Aston Martin. When's the last time you heard of a company ordering a recall BEFORE there were any reported accidents involving the defective parts?!

Every OEM. You just don't hear about it much because they don't want news to get out. Though a lot of potential recalls are typically dealt with at the plant before the vehicles ship out.

[eagle-co94]

Oh I've had small recalls like missing or faulty clips or water pump, but something with more expensive or potentially fatal consequences is different. Case in point is the first gen new mini. There were multiple car accidents and a couple of them had fires. They finally agreed to replace the power steering pump and fan on all affected cars... except those like my wife's car. Why? She drove the car too much. They wrote the recall to exclude cars with over 150k miles. MINI Germany also could not fix the electrical issues on my 2010 Clubman S and ultimately voided my factory warranty because I installed a big brake kit and AC Schnitzer wheels. .. because they were not installed by a certified BMW mechanic.

Yeah, I will never buy another MINI product because they avoid responsibility at all costs. MINI of Canada issued their power steering recall nearly a full year before MINI USA... and without the restriction of mileage if memory serves me right.