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HoW Do I Determine if a 12v Fan Will Work at 6v?

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  • Computers
  • Fan
  • Components
Last response: in Components
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August 14, 2014 5:02:59 PM

I have three 12 volt DC computer fans of different sizes, but only two of them will operate at 6 volts. Is there a way to determine whether a fan will operate at half voltage before purchasing it? I'm actually going to use the fans for a non-computer related project, but may end up using them in a computer at a much later date.

More about : determine 12v fan work

August 14, 2014 8:59:08 PM

Most +12V DC fan motors require +5V DC to start. In fact, the common 3 speed fan controllers for PCs are 5V, 7V and 12V outputs.

But to answer your question, the only way to know for sure is to try the fans with a variable voltage and see.
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