Electrical Equivalence: 12V DC fan?

I'm building a mini LED light box with a fixed input voltage that will have a cooling fan attached (12V). I need precise control over the current going to the LEDs and was wondering what is the electrical equivalence of a fan? Is it a resistor? It's listed as 12V DC, and has an Amps rating as well. Would it then just be V/I for R?

Answer:
You shouldn't need to know the resistance of the fan. You need to know that your power supply has an output current rating that is at least as much as the current rating of the fan plus whatever current you need for the LED light box. The fan should be connected directly across your 12 volt power supply in parallel with your other loads. There shouldn't be much variation in the current drawn by the fan. If the voltage supplied to the light box varies too much, you need a voltage regulator.

technically yes but small fluctuatons in your fan may result in current fluctuations you may want to put a resistor in there if you need precise voltage control

Actually, a fan, otherwise known as a motor, can be represented by a resistor and an inductor where the total impedance is R + jwL. The total impedance is a function of frequency as can be seen. An increase in frequency yileds a higher impedance. At DC, the total impedance is just the resistance of the wire. The current for a given frequency through the fan is the supply voltage over the total impedance.

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Electrical Equivalence: 12V DC fan?

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