Tag: ali dispute

3590S-2-103L 10K Ohm Rotary Wirewound Precision Potentiometer Pot 10 Turn vs genuine Bourns and Vishay pots (WHL #36F1)

Quick follow-up on the fake Bourns pots – only thing you get when reporting IP stuff is the following mail and a case ID:

尊敬的客户： 您好！

案件单号：<ID>

感谢您的反馈，请提供更多的证明主张被举报的商品涉嫌侵权他人的知识产权，比如鉴定报告、权利人申明等。

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若您为知识产权权利人或其代理人，请通过知识产权保护系统提交投诉:ipp.alibabagroup.com；

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25th March 2018 1st April 2018 By Bzzz In No Comment

250W DC-DC Boost Converter Adjustable 10A Step Up Constant Current Power Supply Module Led Driver For Arduino (WHL #21)

What do you do when none of your existing power supplies can provide enough power for some decent LED module? Yeah, right, you buy a bigger one!

So I did. I had some 100W/150W DC-DC converters laying around, but most of them cap at around 36V. And with the very nice Toshiba E-Core 92W LED module that wants 40V or more, that’s just not good enough (same goes for the popular 25W/50W/100W LED modules!). So the new one in my collection is this:

Some more shots:

I bought it on AliExpress back in mid-January for 4.31€ including shipping.

Tech specs are, according to the seller: 250W total output power (boost = step-up only), non-isolated output, input current 8A or 10A with additional heat sinking. […]

1st April 2017 1st April 2017 By Bzzz In 4 Comments