[sdiy] Buying Parts from Questionable Sites

Ullrich Peter Peter.Ullrich at kapsch.net
Mon Jun 13 09:04:13 CEST 2022


Hi!

What are the resistors in the array used for?
If they are "only" pullup resistors then you can maybe use other values...  33k and 47k are available at mouser:
https://www.mouser.at/c/passive-components/resistors/resistor-networks-arrays/?package%20%2F%20case=1608&resistor%20values=4.7%20kOhms~~47%20kOhms&instock=y&rp=passive-components%2Fresistors%2Fresistor-networks-arrays%7C~Resistor%20Values

Ciao
Peter

http://www.ullrich.at.tt
http://rc100-usb.at.tt/   (Roland sampler tool)
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Von: Synth-diy <synth-diy-bounces at synth-diy.org> Im Auftrag von Shawn Rakestraw
Gesendet: Sonntag, 12. Juni 2022 23:18
An: Chris McDowell <declareupdate at gmail.com>
Cc: Synth-Diy mailing list <synth-diy at synth-diy.org>
Betreff: *EXT* Re: [sdiy] Buying Parts from Questionable Sites

I should have been more specific. I was specifically looking at a Canadian supplier called Component Electronics, which OctoPart linked to. www.componentonline.com<https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.componentonline.com%2F&data=05%7C01%7CPeter.Ullrich%40kapsch.net%7C64ebd4721961404e0e9208da4cb9a044%7C5f9ce5277e3e4e83a8a4b6c848f85ab5%7C1%7C0%7C637906657406373127%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=vS3xtxg9bwJxyF2Hyo3tWXLb7UgbuYteZJBD2ngVRh4%3D&reserved=0>

I checked LCSC, AliExpress, and win-source just now and none have stock.

Thanks for the suggestions though.

On Sun, Jun 12, 2022 at 1:58 PM Chris McDowell via Synth-diy <synth-diy at synth-diy.org<mailto:synth-diy at synth-diy.org>> wrote:
can second that win-source and LCSC have always been reliable for me.

> On Jun 12, 2022, at 12:53 PM, Vladimir Pantelic via Synth-diy <synth-diy at synth-diy.org<mailto:synth-diy at synth-diy.org>> wrote:
>
> FWIW I bought from Win-Source several times and so far the ICs all look genuine and work (STM32...)
>
>
> On 6/12/22 7:47 PM, Mike Bryant wrote:
>> Is the supplier on Alibaba/AliExpress/Amazon ?   If so no risk as they have full protection if it's either faulty, fraudulent or doesn't arrive.
>> But I wouldn't trust the ones on eBay, etc only.
>> LCSC is also trustworthy as a Chinese distributor
>> *From:*Synth-diy [mailto:synth-diy-bounces at synth-diy.org<mailto:synth-diy-bounces at synth-diy.org>] *On Behalf Of *Shawn Rakestraw via Synth-diy
>> *Sent:* 12 June 2022 18:42
>> *To:* SYNTH DIY
>> *Subject:* [sdiy] Buying Parts from Questionable Sites
>> Hey All,
>> I have a diy project I would like to do and in the past I almost exclusively use Mouser for most of my components. There is a specific resistor network that is out of stock everywhere, but when I look at octopart, there are "unauthorized dealers" that seem to have a supply of them. I am a little nervous about buying from them though.
>> The component in question is EXB-E10C103J and I would likely only buy about 25 of them.
>> If anyone with more experience buying components could let me know where they would trust getting them from, I would be very appreciative.
>> Thanks,
>> Shawn
>> _______________________________________________
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