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can a 12v dc pc fan use a 16v dc adapter? Answered

can a 12v dc pc fan use a 16v dc adapter?

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Yes. I suggest a 5-10 ohm resistor, maybe. I use 30 ohms to run a PSU fan from a 20V supply. 100 ohm would be wayyy to much.

Yes, but you'd need to pop a resistor in there (easiest way). 100 ohm maybe? L

have you try LM78xx voltage regulator ?? . in your case that would be LM7812. make sure total power does not reach 1 Watt,coz the IC will shut down for protection.

Not for long. It'll overheat at the very least.