[sdiy] TDA2030, 2040 & 2050 discontinued.. and counterfeit parts..

[Vladimir Pantelic]

No worries, Uli has you covered:

http://www.op-electronics.com/en/power-amp-ic/155-v2030a-coolaudio.html


On 25/10/18 01:53, Jean-Pierre Desrochers wrote:
> Hi everybody,
> 
> I need to replace a dead TDA2030 power amp in a small keyboard I have.
> 
> The problem is that this IC is obsolete so I ordered some from an eBay Chinese 
> seller..
> 
> Fortunately I had some originals in one of my parts bin to compare with
> 
> the new Chinese to come..
> 
> Then the TDA2030’s were delivered.. tested them.. Hmmmm.. bad news..
> 
> The genuine STMicroelectronics delivered clean 1khz sinewave on a 8 ohms load.
> 
> The Chinese ones showed bad crossover distortion with 3rd harmonics  with some 
> oscillations
> 
> on the same load. I contacted the seller for a refund.
> 
> Looking *Pentawatt* cases of an original and the chinese's I saw differences.
> 
> See both cases here:
> 
> http://www.arcenson.com/public/TDA20xx.jpg
> 
> eBay sellers don’t always show the real part package they will deliver to you
> 
> so I’m a bit scary to go there.
> 
> Does anybody have a good source for genuine TDA2030, 2040 and 2050 ??
> 
> Thanks.
> 
> 
> 
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