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Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
hello,
I would like to know if I can plug a 12v high power led directly on a 12v 5A regulated source without a resistor, if not please suggest the best way to power the12v less. Thanks
There are thousands of high power LEDs available and they are all different.
We do not know which one you are talking about. Its datasheet will show you if it limits its own current or its maximum allowed current. It will show its forward voltage drop.
Maybe it needs a series current-limiting resistor powered from 15V or more.
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